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searching for Off the Main Sequence 151 found (158 total)

alternate case: off the Main Sequence

FF Aquilae (614 words) [view diff] case mismatch in snippet view article find links to article

Cepheids, it has exhausted its core hydrogen fuel, cooled and expanded off the main sequence, and is rapidly evolving towards the Asymptotic Giant Branch. FF
HD 221776 (383 words) [view diff] case mismatch in snippet view article find links to article
K5III, meaning that it's an orange giant star that has evolved off the main sequence. An infrared excess has been detected around this star, indicating
32 Andromedae (373 words) [view diff] case mismatch in snippet view article find links to article
indicating it has consumed the hydrogen at its core and evolved off the main sequence. It has 2.8 times the mass of the Sun and has expanded to 12 times
81 Aquarii (314 words) [view diff] case mismatch in snippet view article find links to article
exhausted the supply of hydrogen at its core then cooled and expanded off the main sequence. The stellar spectrum displays strong lines of cyanogen. It presently
HD 121474 (355 words) [view diff] case mismatch in snippet view article find links to article
exhausted the supply of hydrogen at its core then cooled and expanded off the main sequence. At present it has 13 times the girth of the Sun, with a near-solar
B Centauri (386 words) [view diff] case mismatch in snippet view article find links to article
exhausted the supply of hydrogen at its core then cooled and expanded off the main sequence. At present it has 39 times the girth of the Sun. It is radiating
103 Aquarii (402 words) [view diff] case mismatch in snippet view article find links to article
+25 km/s. This is classified as an K-type giant star, having evolved off the main sequence after exhausting the hydrogen at its core and expanded to 64 times
NGC 265 (437 words) [view diff] case mismatch in snippet view article find links to article
mass for the cluster, when a star of that mass begins to evolve off the main sequence into a giant, is about 4.0 to 4.5 M☉. NGC 290 Sulentic, Jack W.;
28 Aquarii (449 words) [view diff] case mismatch in snippet view article find links to article
K2 III. After exhausting the hydrogen at its core, this star evolved off the main sequence and has now expanded to 28 times the Sun's radius. It has 1.47 times
C3 Centauri (512 words) [view diff] case mismatch in snippet view article find links to article
exhausted the supply of hydrogen at its core then cooled and expanded off the main sequence. At present it has nearly sixteen times the girth of the Sun. It
2 Boötis (332 words) [view diff] case mismatch in snippet view article find links to article
K0 III, having exhausted the hydrogen at its core and expanded off the main sequence. It has 1.9 times the mass of the Sun with ten times the Sun's radius
14 Sagittarii (337 words) [view diff] case mismatch in snippet view article find links to article
having exhausted the supply of hydrogen at its core and moved off the main sequence. It is a suspected variable star, possibly of the micro-variable
HD 83095 (307 words) [view diff] case mismatch in snippet view article find links to article
exhausted the supply of hydrogen at its core then cooled and expanded off the main sequence. At present it has about 60 times the radius of the Sun and is radiating
10 Andromedae (425 words) [view diff] case mismatch in snippet view article find links to article
indicates it has consumed the hydrogen at its core and evolved off the main sequence. The measured angular diameter of this star, after correction for
V373 Cassiopeiae (147 words) [view diff] case mismatch in snippet view article find links to article
giant stars that have exhausted their core hydrogen and expanded off the main sequence. Lyubimkov and colleagues analysed spectral and radial velocity
HD 123569 (416 words) [view diff] case mismatch in snippet view article find links to article
having exhausted the supply of hydrogen at its core then evolved off the main sequence by cooling and expanding. At present it has around 8.25 times the
43 Aurigae (309 words) [view diff] case mismatch in snippet view article find links to article
K2 III, having exhausted the hydrogen at its core and expanded off the main sequence. Roughly three billion years old, this star has 1.43 times the mass
17 Sagittarii (426 words) [view diff] case mismatch in snippet view article find links to article
indicating it has exhausted the hydrogen at its core and expanded off the main sequence. It is radiating 73 times the Sun's luminosity from its enlarged
11 Andromedae (499 words) [view diff] case mismatch in snippet view article find links to article
it has exhausted the supply of hydrogen at its core and turned off the main sequence. It has an estimated 2.57 times the mass of the Sun and has expanded
HD 73534 (275 words) [view diff] case mismatch in snippet view article find links to article
years away in the constellation Cancer. A G5 star, it has evolved off the main sequence, which is why it is much more luminous than our Sun. In August 2009
HD 223311 (493 words) [view diff] case mismatch in snippet view article find links to article
the supply of hydrogen at its core, it has cooled and expanded off the main sequence. At present it has 41 times the girth of the Sun. It is a suspected
35 Aquarii (538 words) [view diff] case mismatch in snippet view article find links to article
stellar classification of B2 III;, a massive star that has evolved off the main sequence. It is around 22.5 million years old with a relatively low projected
9 Cygni (349 words) [view diff] case mismatch in snippet view article find links to article
fusing helium in its core. The secondary star has begun to evolve off the main sequence; it is sometimes classified as a giant star and sometimes as a main-sequence
51 Hydrae (428 words) [view diff] case mismatch in snippet view article find links to article
it has exhausted the supply of hydrogen at its core and expanded off the main sequence. It has 1.31 times the mass of the Sun but has swollen to 13.5 times
HD 96566 (438 words) [view diff] case mismatch in snippet view article find links to article
exhausted the supply of hydrogen at its core then cooled and expanded off the main sequence. It has an estimated 3.6 times the mass of the Sun and has grown
HD 36780 (275 words) [view diff] case mismatch in snippet view article find links to article
the supply of hydrogen at its core, the star cooled and expanded off the main sequence. At present it has around 31 times the girth of the Sun. It is radiating
68 Aquarii (464 words) [view diff] case mismatch in snippet view article find links to article
giant star that has exhausted the hydrogen at its core and expanded off the main sequence. It is a red clump giant, which means it is on the horizontal branch
15 Cygni (451 words) [view diff] case mismatch in snippet view article find links to article
of G8 III, having consumed the hydrogen at its core and evolved off the main sequence. It is a red clump giant, which means it is generating energy via
HD 163145 (320 words) [view diff] case mismatch in snippet view article find links to article
hydrogen exhausted at its core, the star has cooled and expanded off the main sequence. At present it has 20 times the radius of the Sun. The star is radiating
HD 79917 (298 words) [view diff] case mismatch in snippet view article find links to article
K1III, having exhausted is core hydrogen then cooled and expanded off the main sequence. It has 12.6 times the girth of the Sun and is radiating 67 times
V448 Carinae (459 words) [view diff] case mismatch in snippet view article find links to article
the supply of hydrogen at its core, it has cooled and expanded off the main sequence and now has 51 times the girth of the Sun. It is classified as a
79 Ceti (680 words) [view diff] case mismatch in snippet view article find links to article
exhausted the supply of hydrogen at its core and begun to evolve off the main sequence. Eventually the outer layers of the star will expand and cool and
4 Aquarii (497 words) [view diff] case mismatch in snippet view article find links to article
suggesting that it has exhausted the hydrogen at its core and evolved off the main sequence. It has a dynamically-measured mass 1.6 times that of the Sun and
HD 78004 (334 words) [view diff] case mismatch in snippet view article find links to article
exhausted the supply of hydrogen at its core then cooled and expanded off the main sequence. At present, it has 27 times the radius of the Sun. The star is
HD 92063 (564 words) [view diff] case mismatch in snippet view article find links to article
exhausted the supply of hydrogen at its core then cooled and expanded off the main sequence. At present it has 14 times the radius of the Sun. The star is radiating
66 Aquilae (506 words) [view diff] case mismatch in snippet view article find links to article
it has exhausted the supply of hydrogen at its core and expanded off the main sequence. The measured angular diameter of this star, after correcting for
T Carinae (491 words) [view diff] case mismatch in snippet view article find links to article
it has exhausted the supply of hydrogen at its core and expanded off the main sequence. It is a red clump giant, which means it is on the horizontal branch
60 Cancri (490 words) [view diff] case mismatch in snippet view article find links to article
indicating it has exhausted the hydrogen at its core and evolved off the main sequence. It is a suspected variable star of unknown type. The interferometry-measured
HD 19789 (351 words) [view diff] case mismatch in snippet view article find links to article
exhausted the supply of hydrogen at its core, then expanded and cooled off the main sequence: at present it has 11 times the girth of the Sun. The star is radiating
56 Andromedae (713 words) [view diff] case mismatch in snippet view article find links to article
of K0 III, having exhausted the hydrogen at its core and evolved off the main sequence. It is a red clump giant, having undergone "helium flash" and is
109 Tauri (416 words) [view diff] case mismatch in snippet view article find links to article
classification of G8 III, having consumed the hydrogen at its core and moved off the main sequence. At the age of 600 million years, it has become a red clump giant
38 Boötis (606 words) [view diff] case mismatch in snippet view article find links to article
indicates it has consumed the hydrogen at its core and is evolving off the main sequence. It is about 1.7 billion years old and is spinning with a projected
HD 175443 (398 words) [view diff] case mismatch in snippet view article find links to article
exhausted the supply of hydrogen at its core then cooled and expanded off the main sequence. It now has 22 times the girth of the Sun and is radiating 151 times
HD 7199 (546 words) [view diff] case mismatch in snippet view article find links to article
K-type subgiant star that is in the process of cooling and expanding off the main sequence, having exhausted the supply of hydrogen at its core. It is around
HD 15920 (406 words) [view diff] case mismatch in snippet view article find links to article
supply of hydrogen at its core, this star has cooled and expanded off the main sequence – at present it has ten times the girth of the Sun. The star is
20 Aquilae (597 words) [view diff] case mismatch in snippet view article find links to article
star that has exhausted the hydrogen at its core and is expanding off the main sequence. Lesh (1968) and Braganca et al. (2012) matched a B-type main sequence
HD 6 (390 words) [view diff] case mismatch in snippet view article find links to article
red giant with a stellar classification G9III, the star has moved off the main sequence by cooling and expanding. At the age of nine billion years, is now
5 Camelopardalis (466 words) [view diff] case mismatch in snippet view article find links to article
of IV, suggesting it is instead a subgiant star that is evolving off the main sequence. It has a high rate of spin with a projected rotational velocity
Xi Sculptoris (344 words) [view diff] case mismatch in snippet view article find links to article
exhausted the supply of hydrogen at its core then expanded and cooled off the main sequence. At present it has 22 times the girth of the Sun. It is radiating
31 Cygni (569 words) [view diff] case mismatch in snippet view article find links to article
spectral type K4Iab and a blue-white star likely to be evolving off the main sequence with a spectral type of B4IV-V. The eclipsing system has been studied
12 Hydrae (542 words) [view diff] case mismatch in snippet view article find links to article
the Sun. After exhausting the hydrogen at its core and evolving off the main sequence, the star has swollen to 11.5 times the Sun's radius. It is radiating
HD 6 (390 words) [view diff] case mismatch in snippet view article find links to article
red giant with a stellar classification G9III, the star has moved off the main sequence by cooling and expanding. At the age of nine billion years, is now
34 Boötis (557 words) [view diff] case mismatch in snippet view article find links to article
it has exhausted the supply of hydrogen at its core and evolved off the main sequence branch. It is classified as a semiregular variable with a brightness
4 Persei (577 words) [view diff] case mismatch in snippet view article find links to article
is B8 III, matching an aging B-type giant star that has evolved off the main sequence. It is spinning with a projected rotational velocity of 60 km/s
HD 40657 (551 words) [view diff] case mismatch in snippet view article find links to article
the supply of hydrogen at its core, this star cooled and expanded off the main sequence. At present it has 25 times the radius of the Sun. HD 40657 is a
Mu Phoenicis (484 words) [view diff] case mismatch in snippet view article find links to article
the supply of hydrogen at its core, this star cooled and expanded off the main sequence. At present it has 13 times the girth of the Sun. It is 1.4 billion
10 Vulpeculae (456 words) [view diff] case mismatch in snippet view article find links to article
it has exhausted the hydrogen at its core region and expanded off the main sequence. It is about 13 times the Sun's radius and 2.35 times the Sun's
Kappa2 Lupi (426 words) [view diff] case mismatch in snippet view article find links to article
classed the star as A3IV, which would suggest it is already evolving off the main sequence. The star has a high rotation rate, showing a projected rotational
Omicron Pegasi (412 words) [view diff] case mismatch in snippet view article find links to article
matching a subgiant star that has begun to cool, expand and brighten off the main sequence. It has very narrow lines due to a low projected rotational velocity
30 Piscium (570 words) [view diff] case mismatch in snippet view article find links to article
indicating it has exhausted the hydrogen at its core and evolved off the main sequence. It is a candidate long-period variable star and has been given
Mu Lyrae (525 words) [view diff] case mismatch in snippet view article find links to article
closer with a radial velocity of −24 km/s. This object has evolved off the main sequence, becoming a subgiant with a stellar classification of A0 IV. It
Mu Sculptoris (526 words) [view diff] case mismatch in snippet view article find links to article
the supply of hydrogen at its core, this star expanded and cooled off the main sequence. At present it has 11 times the girth of the Sun. It is a suspected
Lambda Gruis (417 words) [view diff] case mismatch in snippet view article find links to article
exhausted the supply of hydrogen at its core then cooled and expanded off the main sequence. It has about 2.4 times the mass of the Sun and has expanded to
HD 12055 (539 words) [view diff] case mismatch in snippet view article find links to article
hydrogen at its core exhausted, the star has cooled and expanded off the main sequence – at present it has ten times the girth of the Sun. It is around
Nu Tucanae (553 words) [view diff] case mismatch in snippet view article find links to article
hydrogen exhausted at its core, the star has cooled and expanded off the main sequence; at present it has 49 times the Sun's radius. It is classified as
Lambda Lyrae (514 words) [view diff] case mismatch in snippet view article find links to article
the supply of hydrogen at its core, it has cooled and expanded off the main sequence, and now has 102 times the radius of the Sun. The star has six times
4 Vulpeculae (485 words) [view diff] case mismatch in snippet view article find links to article
having exhausted the supply of hydrogen at its core and evolved off the main sequence. It is now a red clump giant, indicating that it is on the horizontal
HD 216446 (470 words) [view diff] case mismatch in snippet view article find links to article
exhausted the supply of hydrogen at its core, then cooled and expanded off the main sequence. At present it has 25 times the radius of the Sun. The star has
Upsilon2 Cassiopeiae (540 words) [view diff] case mismatch in snippet view article find links to article
supply of core hydrogen exhausted, this star has cooled and expanded off the main sequence – at present it has 10 times the girth of the Sun. It is a red clump
QU Normae (458 words) [view diff] case mismatch in snippet view article find links to article
type B1.5 Ia, a luminous supergiant that has swollen and cooled off the main sequence. Surface abundances suggest that it has not yet passed through a
HD 191760 (209 words) [view diff] case mismatch in snippet view article find links to article
Telescopium. It is a yellow subgiant—a star that is cooling and expanding off the main sequence—of spectral type G3IV/V. Estimated to be just over four billion
Kappa Normae (377 words) [view diff] case mismatch in snippet view article find links to article
with a stellar classification of G8III that has swollen and cooled off the main sequence. At present it has 22 times the radius of the Sun. It shines with
II Pegasi (463 words) [view diff] case mismatch in snippet view article find links to article
a cool subgiant, an orange K-type star. It has begun to evolve off the main sequence and expand. Starspots cover about 40% of its surface. The star produces
Pi2 Pegasi (535 words) [view diff] case mismatch in snippet view article find links to article
exhausted the supply of hydrogen at its core then cooled and expanded off the main sequence. At present it has 8.5 times the radius of the Sun. The star is
Epsilon Gruis (616 words) [view diff] case mismatch in snippet view article find links to article
star that has used up its core hydrogen and has begun to expand off the main sequence. At the estimated age of 249 million years, it is spinning rapidly
Epsilon Tauri (949 words) [view diff] case mismatch in snippet view article find links to article
type K0 III, was formerly of spectral type A that has now evolved off the main sequence into the giant phase. It is regarded as a red clump giant; that
Eta Normae (494 words) [view diff] case mismatch in snippet view article find links to article
exhausted the supply of hydrogen at its core then swollen and cooled off the main sequence. At present it has 11 the girth of the Sun. It is a red clump giant
24 Vulpeculae (630 words) [view diff] case mismatch in snippet view article find links to article
classification of G8III, having exhausted the hydrogen at its core and moved off the main sequence. It is a red clump giant, indicating it is presently on the horizontal
27 Monocerotis (477 words) [view diff] case mismatch in snippet view article find links to article
Having exhausted the hydrogen at its core, the star has evolved off the main sequence and expanded to over 13 times the girth of the Sun. It is around
HD 145457 (526 words) [view diff] case mismatch in snippet view article find links to article
a stellar classification of K0 III that has cooled and expanded off the main sequence after exhausting its core hydrogen supply. It is thought to be a
HD 175740 (592 words) [view diff] case mismatch in snippet view article find links to article
giant star with a stellar classification of K0III, having evolving off the main sequence after the supply of hydrogen at its core was exhausted. It is an
Iota Pegasi (527 words) [view diff] case mismatch in snippet view article find links to article
In about four billion years from now, component Aa will evolve off the main sequence into a giant. In the process it will overflow its Roche lobe and
Zeta Indi (354 words) [view diff] case mismatch in snippet view article find links to article
supply of hydrogen at its core exhausted, the star has expanded off the main sequence and now has 45 times the girth of the Sun. It is radiating 446 times
HD 156846 (643 words) [view diff] case mismatch in snippet view article find links to article
magnitudes above the main sequence, indicating it has evolved slightly off the main sequence. It has 1.35 times the mass of the Sun and 2.12 times the Sun's
Nu Microscopii (421 words) [view diff] case mismatch in snippet view article find links to article
after exhausting the supply of hydrogen at its core and evolving off the main sequence. The star has 2.46 times the mass of the Sun. It is radiating 59
FS Canis Majoris (554 words) [view diff] case mismatch in snippet view article find links to article
star-forming regions. Nor did they appear to be stars that had evolved off the main sequence into giant or supergiant stars. It is now thought that they are
HD 47366 (485 words) [view diff] case mismatch in snippet view article find links to article
age of 1.6 billion years; old enough at that mass to have evolved off the main sequence. As a giant star, the atmosphere has expanded to 7.3 times the Sun's
Zeta Normae (434 words) [view diff] case mismatch in snippet view article find links to article
a stellar classification of F2 III that has swollen and cooled off the main sequence after consuming the hydrogen at its core. It is an estimated 1.5
Eta Lupi (699 words) [view diff] no match in snippet view article find links to article
used up the supply of hydrogen at its core and has begun to expand off the main-sequence. The secondary, component B, is a chemically peculiar A-type main
Iota Lupi (666 words) [view diff] no match in snippet view article find links to article
has used up its core supply of hydrogen and has begun to expand off the main-sequence. It is rotating rapidly with a projected rotational velocity of
Iota Crucis (503 words) [view diff] case mismatch in snippet view article find links to article
supply of hydrogen at its core, the star has cooled and expanded off the main sequence, and now has over seven times the girth of the Sun. It is radiating
ADS 9731 (498 words) [view diff] case mismatch in snippet view article find links to article
massive as the sun, which has just started brightening and moving off the main sequence. It is in a 1000-year orbit with a pair of stars, Da and Db, a yellow-white
HD 112410 (509 words) [view diff] case mismatch in snippet view article find links to article
cooling and expanding along the red giant branch, having evolved off the main sequence after exhausting its core supply of hydrogen fuel. At present it
Nu Chamaeleontis (456 words) [view diff] case mismatch in snippet view article find links to article
the supply of hydrogen at its core, it has expanded and cooled off the main sequence; at present it has 6.5 times the girth of the Sun. The star has
Gamma Horologii (397 words) [view diff] case mismatch in snippet view article find links to article
has exhausted the supply of hydrogen at its core and is evolving off the main sequence. It has 5.5 times the radius of the Sun and is radiating 17 times
34 Pegasi (690 words) [view diff] case mismatch in snippet view article find links to article
Aa, is an F-type main-sequence star that is starting to evolve off the main sequence, with stellar classifications of F7V or F8IV−V, depending on the
Delta Coronae Australis (388 words) [view diff] case mismatch in snippet view article find links to article
exhausting the supply of hydrogen at its core, the star expanded off the main sequence and now has 11 times the radius of the Sun. It is a red clump giant
2 Lacertae (421 words) [view diff] case mismatch in snippet view article find links to article
brighter than the secondary. The primary component is close to moving off the main sequence, and has nearly exhausted its core hydrogen (possibly also its companion)
Eta2 Pictoris (488 words) [view diff] case mismatch in snippet view article find links to article
exhausted the supply of hydrogen at its core, then cooled and expanded off the main sequence. At present it has 41 times the girth of the Sun. It is radiating
BC Canis Minoris (381 words) [view diff] case mismatch in snippet view article find links to article
supply of hydrogen at its core exhausted, it has cooled and expanded off the main sequence and now has around 60 times the girth of the Sun. On average, the
HD 41004 (691 words) [view diff] case mismatch in snippet view article find links to article
a K1IV star, suggesting it is a subgiant star that is evolving off the main sequence. It has 89% of the mass of the Sun and 104% of the Sun's radius
Iota Reticuli (474 words) [view diff] case mismatch in snippet view article find links to article
the supply of hydrogen at its core, the star cooled and expanded off the main sequence; at present it has 24 times the girth of the Sun. It is radiating
CH Crucis (713 words) [view diff] case mismatch in snippet view article find links to article
assigned it to B6IV; suggesting it is a B-type star that is evolving off the main sequence. Samus et al. (2017) have tentatively classified it as a Gamma Cassiopeiae
Lambda Octantis (594 words) [view diff] case mismatch in snippet view article find links to article
the supply of hydrogen at its core, it has expanded and cooled off the main sequence, becoming a giant. At present it is about 200 million years old
Beta Indi (587 words) [view diff] case mismatch in snippet view article find links to article
consumed the supply of hydrogen at its core, this star has expanded off the main sequence and now has about 56 times the girth of the Sun. It is 53 million
Arcturus (4,210 words) [view diff] case mismatch in snippet view article find links to article
billion years old that has used up its core hydrogen and moved off the main sequence. It is 1.08±0.06 times as massive as the Sun, but has expanded to
Columbus Was a Dope (217 words) [view diff] exact match in snippet view article find links to article
two of Heinlein's collections, The Menace from Earth (1959), and Off the Main Sequence: The Other Science Fiction Stories of Robert A. Heinlein (2005)
DX Andromedae (511 words) [view diff] case mismatch in snippet view article find links to article
is considered to be a hydrogen-deficient star that has evolved off the main sequence and is overfilling its roche lobe. The donor star dominates the
DS Andromedae (566 words) [view diff] case mismatch in snippet view article find links to article
classification F3IV-V, matching the evidence for a star that is evolving off the main sequence and is expanding its radius. The secondary is thought to be a main
Capella (7,278 words) [view diff] case mismatch in snippet view article find links to article
exhausted their core hydrogen, and cooled and expanded, moving off the main sequence. They are in a very tight circular orbit about 0.74 AU apart, and
Pegasus (constellation) (3,432 words) [view diff] case mismatch in snippet view article
and 391 light-years distant respectively. Appearing to have moved off the main sequence as their core hydrogen supply is being or has been exhausted, they
HD 28254 (589 words) [view diff] case mismatch in snippet view article find links to article
spectral type G1IV/V, indicating that it has begun its evolution off the main sequence. It is estimated to have a mass 11% larger than the Sun's, a radius
Main sequence (6,673 words) [view diff] case mismatch in snippet view article find links to article
differences in spectral lines which indicate whether a star is on or off the main sequence. Nevertheless, very hot main-sequence stars are still sometimes
Turnoff point (284 words) [view diff] case mismatch in snippet view article find links to article
electron degeneracy pressure compensates. The cooling star is now off the main sequence and is known as a helium white dwarf. Iliadis, Christian (2007)
NGC 6811 (949 words) [view diff] case mismatch in snippet view article find links to article
included 8 O-type stars and 125 B-type stars, but all have evolved off the main sequence and are undetectable. Sixteen stars have been observed to vary in
Apus (3,101 words) [view diff] case mismatch in snippet view article find links to article
star of spectral type G6IV that has begun expanding and cooling off the main sequence. Three planets orbit it with periods of 12, 59.5 and 459 days, successively
Red dwarf (4,098 words) [view diff] case mismatch in snippet view article find links to article
moved off the main sequence allows the age of star clusters to be estimated by finding the mass at which the stars move off the main sequence. This provides
Lynx (constellation) (4,529 words) [view diff] case mismatch in snippet view article
of spectral type G0V that has just begun expanding and cooling off the main sequence. It has a planet at least 2.51 times as massive as Jupiter orbiting
Ursa Minor (5,723 words) [view diff] case mismatch in snippet view article find links to article
evolved star that has used up the hydrogen in its core and moved off the main sequence—of spectral type K4III. Slightly variable over a period of 4.6 days
Alpha Cephei (1,162 words) [view diff] case mismatch in snippet view article find links to article
about the year 7500 AD. Alderamin is a white class A star, evolving off the main sequence into a subgiant, probably on its way to becoming a red giant as
Cancer (constellation) (2,907 words) [view diff] case mismatch in snippet view article
Earth, it is an orange-hued giant star that has swollen and cooled off the main sequence to become an orange giant with a radius 11 times and luminosity
The Fort Moxie Branch (173 words) [view diff] exact match in snippet view article find links to article
Nahin; published April 20, 2001, by Springer Science+Business Media Off the Main Sequence, by Tom Easton, by Wildside Press, 2006; originally published in
Alpha Fornacis (1,265 words) [view diff] case mismatch in snippet view article find links to article
class IV indicates this is a subgiant star that has just evolved off the main sequence. It has 33% more mass than the Sun and is an estimated 2.9 billion
Color–color diagram (1,893 words) [view diff] case mismatch in snippet view article find links to article
identified by studying color-color outliers in cases where one member is off the main sequence. The stages of the evolution of stars along the asymptotic giant
Triangulum (2,643 words) [view diff] case mismatch in snippet view article find links to article
times the mass of our sun that is beginning to expand and evolve off the main sequence. The secondary is poorly known, but calculated to be a yellow-white
68 Cygni (1,916 words) [view diff] case mismatch in snippet view article find links to article
main sequence lifetime of the sun. 68 Cygni has already expanded off the main sequence to become a blue giant, and is likely expanding to become a blue
James N. Gardner (435 words) [view diff] exact match in snippet view article find links to article
http://evodevouniverse.com/wiki/Selfish_biocosm_hypothesis Off the Main Sequence, Tom Easton, 2006, pp. 253-254 The Mocking Memes: A Basis for Automated
Yellow hypergiant (3,158 words) [view diff] case mismatch in snippet view article find links to article
post-main-sequence star. Yellow hypergiants have clearly evolved off the main sequence and so have depleted the hydrogen in their cores. The majority of
Gamma Cephei (1,531 words) [view diff] case mismatch in snippet view article find links to article
A. The primary is about 3.25 billion years old and has evolved off the main sequence, having burned all of the hydrogen in its core. The spectrum of
Cassiopeia (constellation) (4,462 words) [view diff] case mismatch in snippet view article
it has used up its core hydrogen and begun expanding and cooling off the main sequence. It is around 1.9 times as massive as the Sun, and around 21.3 times
Brad Templeton (1,528 words) [view diff] exact match in snippet view article find links to article
www.isfdb.org. Retrieved 2019-08-07. Easton, Tom (2006-10-01). Off the Main Sequence. Wildside Press LLC. ISBN 9780809512058. Admin. "Directors and Advisors"
CNO cycle (2,240 words) [view diff] exact match in snippet view article find links to article
PMID 17835673. Iben, I. (1967). "Stellar Evolution Within and off the Main Sequence". Annual Review of Astronomy and Astrophysics. 5: 571–626. Bibcode:1967ARA&A
Cybertext (1,420 words) [view diff] exact match in snippet view article find links to article
University Press. p. 328. ISBN 9780691133348. Easton, Tom (2006). Off the Main Sequence. Cabin John, Maryland: Wildside Press LLC. p. 98. ISBN 978-0-8095-1205-8
Fornax (3,902 words) [view diff] case mismatch in snippet view article find links to article
star around 1.4 times as massive that has begun to cool and expand off the main sequence, reaching double the Sun's diameter. It has a planet around as massive
Cosmic dust (5,482 words) [view diff] case mismatch in snippet view article find links to article
atmospheres of cool carbon stars. Red giants have evolved or altered off the main sequence and have entered the giant phase of their evolution and are the
Supernova (16,131 words) [view diff] case mismatch in snippet view article find links to article
star system. The larger of the two stars is the first to evolve off the main sequence, and it expands to form a red giant. The two stars now share a common
End Poverty in California movement (1,256 words) [view diff] exact match in snippet view article find links to article
January 2017. Robert A. Heinlein (2005). "Foreword by Michael Cassutt". Off the Main Sequence. Science Fiction Book Club. p. xiii. ISBN 1-58288-184-7.
Hydrus (3,067 words) [view diff] case mismatch in snippet view article find links to article
type G8.5III around 218 light-years distant, which has evolved off the main sequence and is expanding and cooling on its way to becoming a red giant
Pavo (constellation) (3,528 words) [view diff] case mismatch in snippet view article
hydrogen fuel at its core and has expanded and cooled after moving off the main sequence. It lies 135 light years away from the Solar System. Lying a few
Hyades (star cluster) (3,192 words) [view diff] case mismatch in snippet view article
to lose both mass and membership as its brightest stars evolve off the main sequence and its dimmest stars evaporate out of the cluster halo. It may
Star (14,806 words) [view diff] case mismatch in snippet view article find links to article
years), no stars under about 0.85 M☉ are expected to have moved off the main sequence. Besides mass, the elements heavier than helium can play a significant
Telescopium (4,188 words) [view diff] case mismatch in snippet view article find links to article
191760 is a yellow subgiant—a star that is cooling and expanding off the main sequence—of spectral type G3IV/V. Estimated to be just over four billion
Corona Borealis (5,874 words) [view diff] case mismatch in snippet view article find links to article
massive as the Sun, which has just started brightening and moving off the main sequence. It is in a 1000-year orbit with a pair of stars, Da and Db, a yellow-white
Red-giant branch (3,921 words) [view diff] exact match in snippet view article find links to article
Bibcode:1970A&A.....8..243S. Iben, Icko (1967). "Stellar Evolution Within and off the Main Sequence". Annual Review of Astronomy and Astrophysics. 5: 571–626. Bibcode:1967ARA&A
Aldebaran (4,427 words) [view diff] case mismatch in snippet view article find links to article
stars. Its spectrum shows that it is a giant star that has evolved off the main sequence band of the Hertzsprung–Russell diagram after exhausting the hydrogen
Sirius (9,479 words) [view diff] case mismatch in snippet view article find links to article
940 K. Its companion, Sirius B, is a star that has already evolved off the main sequence and become a white dwarf. Currently 10,000 times less luminous in
Thomas Easton (899 words) [view diff] exact match in snippet view article find links to article
Overview of Science Fiction Literature in the 1980s and '90s (1997) Off the Main Sequence (2007) "Life Needs a beginning" (1975) "Is the Universe a Yo-Yo
Boötes (8,413 words) [view diff] case mismatch in snippet view article find links to article
spectral type G8IIIa. Like Arcturus, it has expanded and cooled off the main sequence—likely to have lived most of its stellar life as a blue-white B-type
Betelgeuse (16,846 words) [view diff] case mismatch in snippet view article find links to article
Hertzsprung–Russell diagram identifying supergiants like Betelgeuse that have moved off the main sequence
The Magazine of Fantasy & Science Fiction (8,255 words) [view diff] exact match in snippet view article find links to article
of South Carolina Press. ISBN 1-57003-113-4. Easton, Tom (2006). Off the Main Sequence. The Borgo Press. ISBN 978-0809500215. Grant, John (1997). "King
The Ascent of Wonder: The Evolution of Hard SF (1,807 words) [view diff] exact match in snippet view article find links to article
ISSN 0091-7729. Retrieved September 13, 2012. Easton, Tom (2007). Off the Main Sequence. Rockville, Maryland: Wildside Press. pp. 125–126. ISBN 978-0-8095-1205-8