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Luminous Compact Blue Galaxies (LCBGs) are an extreme star-bursting population of galaxies that were far more common at earlier epochs than today. Based on spectroscopic and photometric measurements of LCBGs in massive (M >10^15 M_sun),…

Astrophysics of Galaxies · Physics 2016-01-27 S. M. Crawford , Gregory D. Wirth , M. A. Bershady , S. M. Randriamampandry

Luminous Compact Blue Galaxies (LCBGs) are compact, star-forming galaxies that are rarely observed in the local universe but abundant at z=1. This increase in LCBG number density over cosmic lookback time roughly follows the increase in the…

Astrophysics of Galaxies · Physics 2021-03-10 L. R. Hunt , D. J. Pisano , S. M. Crawford , M. A. Bershady , G. D. Wirth

We investigate the star formation history of the central regions of four Luminous Compact Blue Galaxies (LCBGs). LCBGs are blue (B-V<0.6), compact (MU_B<21.5 mag arcsec^-2) galaxies with absolute magnitudes M_B brighter than -17.5. The…

Astrophysics · Physics 2008-11-26 C. Hoyos , R. Guzman , A. I. Diaz , D. C. Koo , M. A. Bershady , .

Luminous Compact Blue Galaxies (LCBGs) are a heterogeneous class which dominate an intermediate phase of galaxy evolution. These sources account for the majority of the star formation between 0.3<z<1, yet the identity of their present-day…

Astrophysics · Physics 2007-05-23 S. M. Crawford , M. A. Bershady , A. D. Glenn , J. G. Hoessel

We used the DEIMOS spectrograph on the Keck II Telescope to obtain spectra of galaxies in the fields of five distant, rich galaxy clusters over the redshift range 0.5 < z < 0.9 in a search for luminous, compact, blue galaxies (LCBGs).…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 S. M. Crawford , G. D. Wirth , M. A. Bershady , K. Hon

Luminous Compact Blue Galaxies (LCBGs) are common at z~1, contributing significantly to the total star formation rate density. By z~0, they are a factor of ten rarer. While we know that LCBGs evolve rapidly, we do not know what drives their…

Astrophysics · Physics 2007-12-11 D. J. Pisano , C. A. Garland , R. Guzman , J. Perez Gallego , F. J. Castander , N. Gruel

Using photometric redshifts we determine the galaxy population of the clusters of galaxies Cl0016+16 at z=0.55, Cl1600+41 at z=0.54, Cl1601+42 at z=0.54 and MS1008-1224 at z=0.31. Comparing the clusters, we find no evidence for a universal…

Astrophysics · Physics 2009-11-10 Tomas Dahlen , Claes Fransson , Magnus Naslund , Goran Ostlin

We investigate the stellar masses of the class of star-forming objects known as Luminous Compact Blue Galaxies (LCBGs) by studying a sample of galaxies in the distant cluster MS$~$0451.6-0305 at $z\approx0.54$ with ground-based multicolor…

Astrophysics of Galaxies · Physics 2017-08-02 S. M. Randriamampandry , S. M. Crawford , M. A. Bershady , G. D. Wirth , C. M. Cress

We present a deep UBI CCD survey using the Palomar 5-m telescope of a sample of high X-ray luminosity, distant clusters selected from the ROSAT All-Sky Survey. The 10 clusters lie at z=0.22-0.28, an era where evolutionary effects have been…

Astrophysics · Physics 2009-10-30 Ian Smail , Alastair C. Edge , Richard S. Ellis , Roger D. Blandford

We use the KPNO International Spectroscopic Survey (KISS) for emission-line galaxies to identify and describe a sample of local analogues to the luminous compact blue galaxies (LCBGs) that are observed to be abundant at intermediate and…

Astrophysics · Physics 2009-11-10 Jessica K. Werk , Anna Jangren , John J. Salzer

We analyze 26 Luminous Compact Blue Galaxies (LCBGs) in the HST/ACS Ultra Deep Field (UDF) at z ~ 0.2-1.3, to determine whether these are truly small galaxies, or rather bright central starbursts within existing or forming large disk…

We present gri CCD photometry of 44 Abell clusters and 4 cluster candidates. Twenty one clusters in our sample have spectroscopic redshifts. Fitting a relation between mean g, r and i magnitudes, and redshift for this subsample, we have…

Astrophysics · Physics 2009-10-31 V. E. Margoniner , R. R. de Carvalho

We present single-dish H I spectra obtained with the Green Bank Telescope, along with optical photometric properties from the Sloan Digital Sky Survey, of 20 nearby (D < 70 Mpc) Luminous Compact Blue Galaxies (LCBGs). These ~L*, blue, high…

Astrophysics · Physics 2009-11-10 C. A. Garland , D. J. Pisano , J. P. Williams , R. Guzman , F. J. Castander

Luminous compact blue galaxies (LCBGs) are a diverse class of galaxies characterized by high luminosities, blue colors, and high surface brightnesses. Residing at the high luminosity, high mass end of the blue sequence, LCBGs sit at the…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 D. J. Pisano , C. Garland , K. Rabidoux , S. Wolfe , R. Guzman , J. Perez-Gallego , F. J. Castander

We present stellar mass measurements for a sample of 36 Luminous Compact Blue Galaxies (LCBGs) at redshifts z = 0.4-1.2 in the Flanking Fields around the Hubble Deep Field North. The technique is based on fitting a two-component galaxy…

Astrophysics · Physics 2009-11-07 R. Guzman , G. Ostlin , D. Kunth , M. Bershady , D. Koo , M. Pahre

We observed 20 nearby Luminous Compact Blue Galaxies (LCBGs) in HI and CO(J=2-1) with the GBT and JCMT. These ~L^star galaxies are blue, high surface brightness, starbursting, high metallicity galaxies with an underlying older stellar…

Astrophysics · Physics 2017-01-18 C. A. Garland , D. J. Pisano , J. P. Williams , R. Guzman , F. J. Castander

We present the results of a single-dish beam-matched survey of the three lowest rotational transitions of CO in a sample of 20 local (D < 70 Mpc) Luminous Compact Blue Galaxies (LCBGs). These ~L*, blue, high surface brightness, starbursting…

Astrophysics · Physics 2009-11-10 C. A. Garland , J. P. Williams , D. J. Pisano , R. Guzman , F. J. Castander , J. Brinkmann

Using wide-field HST/WFPC2 imaging and extensive Keck/LRIS spectroscopy, we present a detailed study of the galaxy populations in MS2053--04, a massive, X-ray luminous cluster at z=0.5866. Analysis of 149 confirmed cluster members shows…

This paper presents four color narrow-band photometry of clusters A115 ($z=0.191$) and A2283 ($z=0.182$) in order to follow the star formation history of various galaxy types. Although located at similar redshifts, the two clusters display…

Astrophysics · Physics 2009-10-31 Karl D. Rakos , James M. Schombert , Andrew P. Odell , Susanna Steindling

From $\sim$ 5000 deg$^{2}$ of the combination of the Beijing-Arizona Sky Survey (BASS) and Mayall $z$-band Legacy Survey (MzLS) which is also the northern sky region of the Dark Energy Spectroscopic Instrument (DESI) Legacy Imaging Surveys,…

Astrophysics of Galaxies · Physics 2024-05-01 Peng-Liang Du , Wei Du , Bing-Qing Zhang , Zhen-Ping Yi , Min He , Hong Wu
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