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Constraining Galaxy Formation Epoch

Published online by Cambridge University Press:  26 May 2016

Sukyoung. Yi ,
T. Brown ,
S. Heap ,
I. Hubeny ,
W. Landsman ,
T. Lanz  and
A. Sweigart
Sukyoung. Yi
Affiliation:
Caltech, USA and CSA, Yonsei University, Korea
T. Brown
Affiliation:
NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
S. Heap
Affiliation:
NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
I. Hubeny
Affiliation:
NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
W. Landsman
Affiliation:
NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
T. Lanz
Affiliation:
NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
A. Sweigart
Affiliation:
NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA

Abstract

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Pinning down the ages of high redshift galaxies is the most direct way of constraining the galaxy formation epoch. There has been a debate on the age of LBDS 53W091, a red galaxy at z=1.5. The discrepancy in the age estimates of various groups is due to the difference in the population synthesis model. However, there is generally a good agreement among popular models. Polishing the models and assessing their internal uncertainties are crucial in the analysis of high redshift galaxies.

Type
Part XII: Poster Papers
Information
Symposium - International Astronomical Union , Volume 201: New Cosmological Data and the Values of the Fundamental Parameters , 2005 , pp. 536 - 537
Copyright
Copyright © Astronomical Society of the Pacific 2005 

References

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