A Catalog of Color-based Redshift Estimates for z <~ 4 Galaxies in the Hubble Deep Field

Details A Catalog of Color-based Redshift Estimates for z <~ 4 Galaxies in the Hubble Deep Field A Catalog of Color-based Redshift Estimates for z <~ 4 Galaxies in the Hubble Deep Field

1998-04-20

arxiv.org/abs/astro-ph/9804195v2

Astron.J. 116 (1998) 2081

Astronomy and Astrophysics

Astrophysics

Minor changes. Final version to appear in November 1998 issue of The Astronomical Journal

Scientific paper

10.1086/300592

We derive simple empirical color-redshift relations for $z\la 4$ galaxies in the Hubble Deep Field (HDF) using a linear function of three photometric colors ($U-B$, $B-V$, $V-I$). The dispersion between the estimated redshifts and the spectroscopically observed ones is small for relations derived in several separate color regimes; the dispersions range from $\sigma_z\simeq 0.03$ to 0.1 for $z\la 2$ galaxies, and from $\sigma_z\simeq 0.14$ to 0.25 for $z\ga 2 $ galaxies. We apply the color-redshift relations to the HDF photometric catalog and obtain estimated redshifts that are consistent with those derived from spectral template fitting methods. The advantage of these color-redshift relations is that they are simple and easy to use and do not depend on the assumption of any particular spectral templates; they provide model independent redshift estimates for $z\la 4$ galaxies using only multi-band photometry, and they apply to about 90% of all galaxies. We provide a color-based estimated redshift catalog of HDF galaxies to $z\la 4$. We use the estimated redshifts to investigate the redshift distribution of galaxies in the HDF; we find peaks in the redshift distribution that suggest large-scale clustering of galaxies to at least $z\sim 1$ and that are consistent with those identified in spectroscopic probes of the HDF.

Affiliated with

Also associated with

No associations

Rating

A Catalog of Color-based Redshift Estimates for z <~ 4 Galaxies in the Hubble Deep Field does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with A Catalog of Color-based Redshift Estimates for z <~ 4 Galaxies in the Hubble Deep Field, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and A Catalog of Color-based Redshift Estimates for z <~ 4 Galaxies in the Hubble Deep Field will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-515686