Galaxy structural parameters (Takamiya+, 1999)

Details Galaxy structural parameters (Takamiya+, 1999) Galaxy structural parameters (Takamiya+, 1999)

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999ycat..21220109t&link_type=abstract

VizieR On-line Data Catalog: J/ApJS/122/109. Originally published in: 1999ApJS..122..109T

Computer Science

Galaxies: Photometry, Redshifts

Scientific paper

The evolution of the structure of galaxies as a function of redshift is investigated using two parameters: the metric radius of the galaxy (Reta) and the power at high spatial frequencies in the disk of the galaxy (chi). A direct comparison is made between nearby (z~0) and distant (0.2<~z<~1) galaxies by following a fixed range in rest frame wavelengths. The data of the nearby galaxies comprise 136 broadband images at ~4500 E observed with the 0.9 m telescope at Kitt Peak National Observatory (23 galaxies) and selected from the catalog of digital images of Frei et al. (113 galaxies, 1996AJ....111..174F). The high-redshift sample comprises 94 galaxies selected from the Hubble Deep Field (HDF) observations with the Hubble Space Telescope using the Wide Field Planetary Camera 2 in four broad bands that range between ~3000 and ~9000 E (Williams et al., 1997, Cat. ). (1 data file).

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