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searching for Dark matter halo 46 found (105 total)

NGC 4555 (273 words) [view diff] exact match in snippet view article find links to article

clearly is not large enough to hold such an extensive gas halo. The dark matter halo is estimated to have 10 times the mass of the stars in the galaxy.

Halo occupation distribution (265 words) [view diff] exact match in snippet view article find links to article

of a dark matter halo to the number of galaxies that form within that halo; the distribution in space of galactic matter within a dark matter halo; the

NGC 1288 (544 words) [view diff] exact match in snippet view article find links to article

of 30″ from the nucleus. The galaxy is most likely surrounded by a dark matter halo, giving it a mass-to-light ratio of 14 M☉/L☉. On July 17, 2006, a supernova

NGC 157 (636 words) [view diff] exact match in snippet view article find links to article

galaxy undergoes a sharp decline, suggesting a low mass or a small dark matter halo. It is considered a quiescent galaxy, showing little star formation

NGC 3311 (2,104 words) [view diff] exact match in snippet view article find links to article

million solar masses (1.26 × 108 M☉). NGC 3311 appears to have a cored dark matter halo. NGC 3311 has a weak radio source with a total 6-cm flux density of

Messier 84 (712 words) [view diff] exact match in snippet view article find links to article

away from the core. The visible galaxy is surrounded by a massive dark matter halo. Radio observations and Hubble Space Telescope images of M84 have revealed

NGC 660 (499 words) [view diff] exact match in snippet view article find links to article

stars has been a long process and is still occurring. Data about the dark matter halo of NGC 660 can be extracted by observing the gravitational effects

Jeans equations (1,604 words) [view diff] exact match in snippet view article find links to article

lens of Jeans equations. This is particularly useful when simulating dark matter halo distributions, due to its isothermal, non-interactive behavior. Searches

Messier 63 (1,200 words) [view diff] exact match in snippet view article find links to article

radius of 33,000 light-years (10 kiloparsecs). The form suggests a dark matter halo that is offset with respect to the inner region. The reason for the

NGC 1705 (748 words) [view diff] exact match in snippet view article find links to article

mass models of the galaxy suggest the dominant source of mass is a dark matter halo. It has a super star cluster located near the galactic center, and

American Astronomical Society 215th meeting (2,268 words) [view diff] exact match in snippet view article find links to article

first time scientists have measured the three-dimensional shape of a dark matter halo [citation needed]. American Astronomical Society Astrophysical Journal

NGC 720 (1,253 words) [view diff] exact match in snippet view article find links to article

an active galactic nucleus. The total mass of the galaxy with its dark matter halo is estimated to be (3.1±0.4)×1012 M☉, with the total gas mass exceeding

NGC 5907 (519 words) [view diff] case mismatch in snippet view article find links to article

S. E. (December 1998). "Weighing the Stellar Content of NGC 5907's Dark Matter Halo". Bulletin of the American Astronomical Society. 30: 1258. Bibcode:1998AAS

Holmberg 15A (532 words) [view diff] exact match in snippet view article find links to article

methodology. In addition, Abell 85 has its velocity dispersion of dark matter halo at ~750 km/s, which could be explained only by a black hole with a

NGC 4473 (578 words) [view diff] case mismatch in snippet view article find links to article

2017-08-01. Schulze, Andreas; Gebhardt, Karl (1 March 2011). "Effect of a Dark Matter Halo on the Determination of Black Hole Masses". The Astrophysical Journal

NGC 4605 (424 words) [view diff] case mismatch in snippet view article find links to article

Bolatto, A. D.; et al. (August 2002). "The Density Profile of the Dark Matter Halo of NGC 4605". Astrophysical Journal. 565 (1): 238–243. arXiv:astro-ph/0108050

Andromeda XXI (386 words) [view diff] exact match in snippet view article find links to article

Daniel R. (2021). "Andromeda XXI – a dwarf galaxy in a low-density dark matter halo". Monthly Notices of the Royal Astronomical Society. 505 (4): 5686–5701

Ursa Major III (355 words) [view diff] exact match in snippet view article find links to article

the galaxy. This very high value indicates the presence of a massive dark matter halo, indicating that Ursa Major III is indeed a true dwarf galaxy, albeit

NGC 3726 (690 words) [view diff] exact match in snippet view article find links to article

bright HII regions are present in the galaxy. The galaxy has a massive dark matter halo. The nucleus of the galaxy hosts a supermassive black hole with mass

NGC 4494 (1,182 words) [view diff] exact match in snippet view article find links to article

as "naked" by Romanowsky et al., Napolitano et al. found that the dark matter halo has unexpectedly low central density and the analysis by Deason et

Dragonfly 44 (778 words) [view diff] case mismatch in snippet view article find links to article

Ultra-diffuse Galaxy Dragonfly 44. I. Observations, Kinematics, and Cold Dark Matter Halo Fits, Peter van Dokkum et al. 2019". The Astrophysical Journal. 880

SDSS J001820.5−093939.2 (1,200 words) [view diff] no match in snippet view article find links to article

first generation stars. And this could be related to that of its natal dark-matter halo. The strong UV radiation, energetic explosions, and production of heavy

Messier 60 (1,330 words) [view diff] case mismatch in snippet view article find links to article

Shen, Juntai; Gebhardt, Karl (2010). "The Supermassive Black Hole and Dark Matter Halo of NGC 4649 (M60)". The Astrophysical Journal. 711 (1): 484–494. arXiv:0910

Leo I (dwarf galaxy) (891 words) [view diff] exact match in snippet view article

conclusive, and do not exclude or confirm the existence of a large dark matter halo around the galaxy. However, it seems to be certain that the galaxy

Crater 2 Dwarf (598 words) [view diff] case mismatch in snippet view article find links to article

Alex; Johnson, Christian I. (2017-04-10). "Crater 2: An Extremely Cold Dark Matter Halo". The Astrophysical Journal. 839 (1): 20. arXiv:1612.06398. Bibcode:2017ApJ

Phoenix Cluster (1,441 words) [view diff] exact match in snippet view article find links to article

(Sagittarius A*) twice the mass of the Triangulum Galaxy, including its dark matter halo. Assuming it is a non-rotating black hole, an immense event horizon

Marc Seigar (1,918 words) [view diff] exact match in snippet view article find links to article

description of the dark matter halo profile for the low surface brightness galaxy, Malin 1. He further found out that the dark matter halo model of Malin

Lars Hernquist (289 words) [view diff] exact match in snippet view article find links to article

scattering and the formation of exponential discs in self-gravitating systems Wu et al. Formula (1) is the Hernquist profile (for dark matter halo) v t e

NGC 4993 (1,599 words) [view diff] exact match in snippet view article find links to article

galaxy involved in the merger was a gas-poor galaxy. NGC 4993 has a dark matter halo with an estimated mass of 193.9×1010 M☉. NGC 4993 has an estimated

NGC 2974 (1,308 words) [view diff] exact match in snippet view article find links to article

Morganti, Raffaella; De Zeeuw, P. T. (4 January 2008). "The shape of the dark matter halo in the early-type galaxy NGC 2974". Monthly Notices of the Royal Astronomical

Lyman-alpha blob (620 words) [view diff] exact match in snippet view article find links to article

blob in the GOODS South field: evidence for cold accretion onto a dark matter halo". Astronomy and Astrophysics Letters. 452 (3): L23–L26. arXiv:astro-ph/0512396

Messier 94 (1,494 words) [view diff] exact match in snippet view article find links to article

as current models do not indicate how a galaxy could form without a dark matter halo or how a galaxy could lose its dark matter. Other explanations for

Kathryn Zurek (1,528 words) [view diff] exact match in snippet view article find links to article

"Beyond collisionless dark matter: Particle physics dynamics for dark matter halo structure". Phys. Rev. D. 87 (11). arXiv:1302.3898. Bibcode:2013PhRvD

Jenny Wagner (1,835 words) [view diff] exact match in snippet view article find links to article

lensing until 2019) Cosmic structures from a mathematical perspective 1: dark matter halo mass density profiles (paper to explain power-law mass density profiles

Cloud-9 (RELHIC) (117 words) [view diff] case mismatch in snippet view article

(September 2023). "Is a Recently Discovered H i Cloud near M94 a Starless Dark Matter Halo?". The Astrophysical Journal. 956 (1): 1. arXiv:2309.03253. Bibcode:2023ApJ

IC 1101 (3,364 words) [view diff] exact match in snippet view article find links to article

has a unique velocity dispersion profile, which indicates a massive dark matter halo. It accretes roughly 450 solar masses per year. The galaxy lacks nuclear

List of most massive black holes (5,741 words) [view diff] exact match in snippet view article find links to article

stellar mass-to-light ratio a large central compact mass and a standard dark matter halo". Monthly Notices of the Royal Astronomical Society. 1706 (1): 383–393

Ma Chung-pei (757 words) [view diff] case mismatch in snippet view article find links to article

Nonlinear Cosmological Power Spectrum and Bispectrum from Analytic Dark Matter Halo Profiles and Mass Functions". The Astrophysical Journal. 543 (2): 503–513

MilkyWay@home (2,641 words) [view diff] exact match in snippet view article find links to article

Boleslaw K.; Thompson, Jeffery M. (June 2019). "Streams and the Milky Way dark matter halo". Proceedings of the International Astronomical Union. 14 (S353): 75–82

Alan Duffy (astronomer) (3,958 words) [view diff] exact match in snippet view article

Schaye, Joop; Kay, Scott T.; Vecchia, Claudio Dalla (1 October 2008). "Dark matter halo concentrations in theWilkinson Microwave Anisotropy Probeyear 5 cosmology"

Flyby anomaly (2,248 words) [view diff] no match in snippet view article find links to article

However, this cannot explain the similar anomaly in the ranging data. A dark-matter halo around Earth. The impact of general relativity, in its weak-field and

Messier 87 (9,553 words) [view diff] case mismatch in snippet view article find links to article

; Adams, J. J. (March 2011). "Galaxy Kinematics with VIRUS-P: The Dark Matter Halo of M87". The Astrophysical Journal. 729 (2): 129. arXiv:1101.1957.

Jamie Farnes (1,842 words) [view diff] case mismatch in snippet view article find links to article

website Farnes, Jamie (21 November 2017). "Simulation of a Forming Dark Matter Halo" – via YouTube. Farnes, Jamie (21 November 2017). "A Unifying Theory

List of smallest known stars (11,285 words) [view diff] exact match in snippet view article find links to article

S2CID 15651718. Sen, Debashree; Guha, Atanu (21 February 2024). "Estimating the dark matter halo velocity and surface temperature of some known pulsars due to dark

Stellar dynamics (15,411 words) [view diff] exact match in snippet view article find links to article

also the gravity that stars move in self-consistently; no additional dark matter halo contributes to its potential, for example. Jeans Equation is a relation

Direct detection of dark matter (3,740 words) [view diff] exact match in snippet view article find links to article

the Milky Way, the relative motion of a terrestrial detector to the dark matter halo would change, resulting in a differing flux of dark matter. DAMA/LIBRA