Angular Sizes of Faint Field Disk Galaxies: Intrinsic Luminosity Evolution | Zendy

L. Cayón | Zendy; Joseph Silk | Zendy; S. Charlot | Zendy

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Angular Sizes of Faint Field Disk Galaxies: Intrinsic Luminosity Evolution

Author(s) -

L. Cayón,

Joseph Silk,

S. Charlot

Publication year - 1996

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/310202

Subject(s) - physics , astrophysics , hubble deep field , hubble ultra deep field , galaxy , redshift , luminosity , hubble space telescope , astronomy , galaxy formation and evolution , field (mathematics) , luminous infrared galaxy , mathematics , pure mathematics

In order to explain the small scale-lengths detected in the recent deep fieldobservations performed from large ground-based telescopes and from the HubbleSpace Telescope, we investigate the predictions at high redshifts for diskgalaxies that formed by infall. Changes with redshift in the observedproperties of field galaxies are directly related to the evolution of the disksand of the stellar populations. We see that changes in the rest frameluminosity of a galaxy induce smaller values of half-light radii than arepredicted assuming no evolution. Comparisons are presented with two observedsamples from Mutz et al. (1994) and Smail et al. (1995).Comment: plain tex file + 3 postscript figures. To be published in ApJ

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