Results 41 to 50 of about 482,012 (314)

Dependence of stellar substructures in M31 type galaxy on satellite morphology in galaxy mergers [PDF]

open access: yesSerbian Astronomical Journal, 2022
Stellar streams and shells are observed in halos of spiral galaxies. In this paper, we investigated the formation of these structures due to mergers between the host spiral galaxy and its dwarf satellite galaxies.
Milošević S.
doaj   +1 more source

Uncovering Spiral Structure in Flocculent Galaxies [PDF]

open access: yes, 1996
We present K'(2.1 micron) observations of four nearby flocculent spirals, which clearly show low-level spiral structure and suggest that kiloparsec-scale spiral structure is more prevalent in flocculent spirals than previously supposed.
Adamson A. J.   +6 more
core   +2 more sources

HOT GASEOUS CORONAE AROUND SPIRAL GALAXIES: PROBING THE ILLUSTRIS SIMULATION [PDF]

open access: yes, 2015
The presence of hot gaseous coronae around present-day massive spiral galaxies is a fundamental prediction of galaxy formation models. However, our observational knowledge remains scarce, since to date only four gaseous coronae have been detected around ...
Á. Bogdán   +12 more
semanticscholar   +1 more source

A Morphological-type dependence in the mu_0-log(h) plane of Spiral galaxy disks [PDF]

open access: yes, 2001
We present observational evidence for a galaxy `Type' dependence to the location of a spiral galaxy's disk parameters in the mu_0-log(h) (central disk surface-brightness - disk scale-length) plane.
Alister W. Graham   +8 more
core   +2 more sources

Accretion, radial flows and abundance gradients in spiral galaxies [PDF]

open access: yes, 2015
The metal-poor gas continuously accreting on to the discs of spiral galaxies is unlikely to arrive from the intergalactic medium (IGM) with exactly the same rotation velocity as the galaxy itself and even a small angular momentum mismatch inevitably ...
G. Pezzulli, F. Fraternali
semanticscholar   +1 more source

The effects of environment on the intrinsic shape of galaxies [PDF]

open access: yes, 2015
We measure the effect of the environment on the intrinsic shapes of spiral and elliptical galaxies by finding the 3D shape distribution and dust extinction that fits better the projected shape of galaxies in different environment.
Lambas, Diego García   +2 more
core   +2 more sources

Discovery of rare double-lobe radio galaxies hosted in spiral galaxies [PDF]

open access: yes, 2015
Double-lobe radio galaxies in the local Universe have traditionally been found to be hosted in elliptical or lenticular galaxies. We report the discovery of four spiral-host double-lobe radio galaxies (J0836+0532, J1159+5820, J1352+3126 and J1649+2635 ...
Veeresh Singh   +5 more
semanticscholar   +1 more source

Galaxy Zoo DECaLS: Detailed Visual Morphology Measurements from Volunteers and Deep Learning for 314, 000 Galaxies [PDF]

open access: yesarXiv.org, 2021
We present Galaxy Zoo DECaLS: detailed visual morphological classifications for Dark Energy Camera Legacy Survey images of galaxies within the SDSS DR8 footprint. Deeper DECaLS images (r=23.6 vs. r=22.2 from SDSS) reveal spiral arms, weak bars, and tidal
Mike Walmsley   +15 more
semanticscholar   +1 more source

The rotation curves shapes of late-type dwarf galaxies [PDF]

open access: yes, 2008
We present rotation curves derived for a sample of 62 late-type dwarf galaxies that have been observed as part of the Westerbork HI Survey of Spiral and Irregular Galaxies (WHISP) project.
Begeman   +55 more
core   +2 more sources

NUMERICAL MODELLING OF GAS DYNAMIC STRUCTURES IN SPIRAL GALAXIES

open access: yesOdessa Astronomical Publications, 2013
Observations show that in the global morphology of spiral galaxies appear and form multi-scale features that are embedded in a complex complete picture of the galaxy.
A. Lugovskiy, E. Filistov
doaj   +1 more source

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