Red Galaxies in a z=2.4 Cluster of Galaxies Candidate

Details Red Galaxies in a z=2.4 Cluster of Galaxies Candidate Red Galaxies in a z=2.4 Cluster of Galaxies Candidate

May 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...204.8206i&link_type=abstract

American Astronomical Society Meeting 204, #82.06; Bulletin of the American Astronomical Society, Vol. 36, p.815

Astronomy and Astrophysics

Astronomy

1

Scientific paper

We have obtained a deep IRAC image of a cluster of galaxies candidate at z=2.4. This cluster of galaxies candidate is located in the vicinity of a known z=2.4 radio galaxy, 53W002. Our recent NIR observation from the ground reveals that this field contains an unusually large number of J -K > 2.7 galaxies, also known as Hyper Extremely Red Objects (HEROs). In order to tell if HEROs are red galaxies at around z=2.4, or z=12 Lyman break galaxies, we extend their SEDs out to 8 microns using the Spitzer data. We find that the majority of HEROs have SEDs consistent with red galaxies at z = 2.4 rather than z=12 Lyman galaxies, with one possible exception. Our result lends a strong support to the previous claims that there is an overdensity of galaxies at z=2.4 in this field. Furthermore, the discovery of z=2.4 old galaxies suggests that the star formation in cluster of group of galaxies starts early (z > 3).

Affiliated with

Also associated with

No associations

Rating

Red Galaxies in a z=2.4 Cluster of Galaxies Candidate 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 Red Galaxies in a z=2.4 Cluster of Galaxies Candidate, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Red Galaxies in a z=2.4 Cluster of Galaxies Candidate will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1175906