Results 1 to 10 of about 553,808 (287)

Molecular gas in normal late-type galaxies [PDF]

open access: yesAstronomy & Astrophysics, 2002
We present $^{12}$CO(J=1--0) line observations of 22 low-luminosity spiral galaxies in the Virgo cluster. These data, together with 244 others available in the literature, allow us to build a large sample that we use to study the molecular gas properties of galaxies spanning a large range of morphological types and luminosities and belonging to ...
Boselli, A   +2 more
core   +6 more sources

THE H I CONTENT OF LOCAL LATE-TYPE GALAXIES [PDF]

open access: yesThe Astrophysical Journal, 2011
We present a solid relationship between the neutral hydrogen (HI) disk mass and the stellar disk mass of late-type galaxies in the local universe. This relationship is derived by comparing the stellar disk mass function from the Sloan Digital Sky Survey and the HI mass function from the HI Parkes All Sky Survey (HIPASS).
Evoli, C.   +3 more
openaire   +5 more sources

Early versus late type galaxies in compact groups [PDF]

open access: yesAstronomische Nachrichten, 1998
AbstractWe find a strong correlation between the effective radius of the largest early‐type galaxies in compact groups of galaxies and the velocity dispersion of the groups. The lack of a similar correlation for late type galaxies is supportive of the so called second generation merging scenario which predicts that ellipticals should dominate the ...
Shaker, A. A., Longo, G., Merluzzi, P.
openaire   +3 more sources

The Origin of Star Formation in Early-type Galaxies Inferred from Spatially Resolved Spectroscopy

open access: yesThe Astrophysical Journal, 2023
We investigate the origin of star formation activity in early-type galaxies with current star formation using spatially resolved spectroscopic data from the Mapping Nearby Galaxies at Apache Point Observatory in the Sloan Digital Sky Survey (SDSS).
Yun Hee Lee   +4 more
doaj   +1 more source

The 50 Mpc Galaxy Catalog (50 MGC): Consistent and Homogeneous Masses, Distances, Colors, and Morphologies

open access: yesThe Astronomical Journal, 2023
We assemble a catalog of 15424 nearby galaxies within 50 Mpc with consistent and homogenized mass, distance, and morphological type measurements. Our catalog combines galaxies from HyperLeda, the NASA-Sloan Atlas, and the Catalog of Local Volume Galaxies.
David Ohlson   +4 more
doaj   +1 more source

Colour-magnitude relations of late-type galaxies [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2006
We use a large sample of galaxies drawn from the Sloan Digital Sky Survey (SDSS) and Two Micro All Sky Survey (2MASS) to present Color-Magnitude Relations (CMRs) for late-type galaxies in both optical and optical-infrared bands. A sample from SDSS Data Release 4 (DR4) is selected to investigate the optical properties.
Chang, Ruixiang   +4 more
openaire   +2 more sources

Clustercentric Distance or Local Density? It Depends on Galaxy Morphology

open access: yesThe Astrophysical Journal, 2023
Determining which between projected local density and distance from the cluster center plays a major role in regulating morphological fractions in clusters is a longstanding debate.
Benedetta Vulcani   +8 more
doaj   +1 more source

Quantitative Morphology of High-Redshift Galaxies Using GALEX Ultraviolet Images of Nearby Galaxies [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2017
We present simulations of the optical-band images of high-redshift galaxies utilizing 845 near-ultraviolet (NUV) images of nearby galaxies obtained through the Galaxy Evolution Explorer (GALEX). We compute the concentration (C), asymmetry (A), Gini (G),
Bum-Suk Yeom   +6 more
doaj   +1 more source

Cold Dust in Late‐Type Virgo Cluster Galaxies [PDF]

open access: yesThe Astrophysical Journal, 2002
We have statistically analyzed the spatially integrated far-infrared (FIR) emissions of the complete volume- and luminosity-limited sample of late-type (later than S0) Virgo cluster galaxies measured using the Infrared Space Observatory (ISO) by Tuffs et al. (2002) in bands centered on 60, 100 and 170 microns.
Popescu, C.   +4 more
openaire   +3 more sources

On the Decline of Star Formation during the Evolution of Galaxies

open access: yesThe Astrophysical Journal, 2023
Cosmological simulations predict that during the evolution of galaxies, the specific star formation rate continuously decreases. In a previous study we showed that generally this is not caused by the galaxies running out of cold gas but rather a decrease
Adelheid Teklu   +4 more
doaj   +1 more source

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