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相关论文: Gas, Stars and Baryons in Low Surface Brightness G…

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Recent surveys have discovered hundreds of low surface brightness galaxies, systems with central surface brightness fainter than 22.0 B mag arcsec^-2, in the local universe. Plots of the surface brightness distribution - that is, the space…

天体物理学 · 物理学 2007-05-23 K. O'Neil

Low surface brightness galaxies, those galaxies with a central surface brightness at least one magnitude fainter than the night sky, are often not included in discussions of extragalactic gas at z < 0.1. In this paper we review many of the…

天体物理学 · 物理学 2007-05-23 K. O'Neil

Using the catalog of O'Neil, Bothun, & Schombert (1999), we examine the central surface brightness distribution (phi(mu_B(0))) of galaxies in the 22.0 < mu_B(0) < 25.0 mag arcsec^{-2} range. Taking advantage of having a catalog in which…

天体物理学 · 物理学 2007-05-23 K. O'Neil , G. Bothun

With the aim of assessing if low surface brightness galaxies host stellar bars, and study the dependence of the occurrence of bars as a function of surface brightness, we use the Galaxy Zoo 2 dataset to construct a large volume-limited…

星系天体物理 · 物理学 2017-10-04 Bernardo Cervantes Sodi , Osbaldo Sánchez García

Optical surveys for galaxies are biased against the inclusion of low surface brightness (LSB) galaxies. Disney (1976) suggested that the constancy of disk central surface brightness noticed by Freeman (1970) was not a physical result, but…

天体物理学 · 物理学 2009-10-28 S. S. McGaugh , G. D. Bothun , J. M. Schombert

The formation of low surface brightness galaxies is an unavoidable prediction of any hierarchical clustering scenario. In these models, low surface brightness galaxies form at late times from small initial overdensities, and make up most of…

天体物理学 · 物理学 2007-05-23 J. J. Dalcanton , D. N. Spergel , F J Summers

Intermediate surface brightness (ISB) galaxies are less numerous than their counterparts at high and low surface brightness (HSB and LSB). Investigating ISB characteristics from a sample from the S4G survey, complete down to M_B=-16, we…

星系天体物理 · 物理学 2015-12-02 Jenny G. Sorce , Peter Creasey , Noam I. Libeskind

A description is given of the samples of Low Surface Brightness galaxies (LSBs) used for comparison with models of their chemical and spectro-photometric evolution (Boissier et al., this Volume). These samples show the large variation and…

天体物理学 · 物理学 2009-11-07 D. Monnier Ragaigne , W. van Driel , C. Balkowski , S. Boissier , N. Prantzos

A large sample of low surface brightness (LSB) disk galaxies is selected from SDSS with B-band central surface brightness mu_0(B) from 22 to 24.5 mag arcsec^(-2). Some of their properties are studied, such as magnitudes, surface brightness,…

宇宙学与河外天体物理 · 物理学 2015-05-14 Y. C. Liang , G. H. Zhong , X. Y. Chen , D. Gao , F. Hammer , F. S. Liu , J. Y. Hu , L. C. Deng , B. Zhang

Massive low surface brightness galaxies have disk central surface brightnesses at least one magnitude fainter than the night sky, but total magnitudes and masses that show they are among the largest galaxies known. Like all low surface…

天体物理学 · 物理学 2009-06-23 K. O'Neil

We present Very Large Array ({\sc vla}) and Westerbork Synthesis Radio Telescope ({\sc wsrt}) 21-cm H{\sc i} observations of 19 late-type low surface brightness (LSB) galaxies. Our main findings are that these galaxies, as well as having…

天体物理学 · 物理学 2015-06-24 W. J. G. de Blok , S. S. McGaugh , J. M. van der Hulst

We discuss the optical parameter space (luminosity and surface brightness) over which galaxies are known to exist and report on the results from three recent datasets: the Two-degree Field Galaxy Redshift Survey, the Hubble Deep Field…

天体物理学 · 物理学 2007-05-23 Simon P. Driver , Nicholas Cross

(Abridged) We present results for J and Ks near-IR imaging data on a large sample of 88 galaxies drawn from the catalogue of Impey et al. (1996). The near-IR data unveils many features of LSBGs not seen before in the optical. First, a high…

天体物理学 · 物理学 2009-11-07 Gaspar Galaz , Julianne Dalcanton , Leopoldo Infante , Ezequiel Treister

Low-surface-brightness galaxies (LSBGs) -- defined as systems that are fainter than the surface-brightness limits of past wide-area surveys -- form the overwhelming majority of galaxies in the dwarf regime (M* < 10^9 MSun). Using…

An update of the set of low surface brightness galaxies is presented which can be used to set constraints on the otherwise ambiguous decompositions of their rotation curves into contributions due to the various components of the galaxies.…

天体物理学 · 物理学 2009-11-07 B. Fuchs

The distribution of the stellar and gaseous components in low surface brightness galaxies has been determined directly from optical and HI imaging. The distribution of what might be the dominant mass component, the dark matter, which is…

天体物理学 · 物理学 2007-05-23 Rob Swaters

We investigate the baryonic Tully-Fisher relation in low surface brightness galaxies selected from the Arecibo Legacy Fast ALFA survey. We find that the $\rm HI$-bearing low surface brightness galaxies still follow the baryonic Tully-Fisher…

星系天体物理 · 物理学 2025-03-18 Zichen Hua , Yu Rong , Hui-jie Hu

Galaxies are missing most of their baryons, and many models predict these baryons lie in a hot halo around galaxies. We establish observationally motivated constraints on the mass and radii of these haloes using a variety of independent…

宇宙学与河外天体物理 · 物理学 2010-04-13 Michael E. Anderson , Joel N. Bregman

I explore the hypothesis that Ly$\alpha$ absorption at low redshift is caused by the outer regions of extended galaxy disks, including those of dwarf and low surface brightness galaxies. McGaugh (1996) has shown that the distribution of…

天体物理学 · 物理学 2007-05-23 Suzanne M. Linder

The disk masses of four low surface brightness galaxies (LSB) were estimated using marginal gravitational stability criterion and the stellar velocity dispersion data which were taken from Pizzella et al., 2008 [1]. The constructed mass…

宇宙学与河外天体物理 · 物理学 2015-05-19 A. S. Saburova
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