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Photometric Redshifts in the Hawaii-Hubble Deep Field-North

Published online by Cambridge University Press:  17 August 2016

G. Yang ,
Y. Q. Xue ,
B. Luo ,
W. N. Brandt ,
D. M. Alexander ,
F. E. Bauer ,
W. Cui ,
X. Kong ,
B. D. Lehmer  and
J.-X. Wang
...Show all authors
G. Yang
Affiliation:
USTC
Y. Q. Xue*
Affiliation:
USTC
B. Luo
Affiliation:
PSU
W. N. Brandt
Affiliation:
PSU
D. M. Alexander
Affiliation:
Durham
F. E. Bauer
Affiliation:
PUC
W. Cui
Affiliation:
Purdue
X. Kong
Affiliation:
USTC
B. D. Lehmer
Affiliation:
JHU
J.-X. Wang
Affiliation:
USTC
X.-B. Wu
Affiliation:
PKU
F. Yuan
Affiliation:
SHAO
Y.-F. Yuan
Affiliation:
USTC
H. Y. Zhou
Affiliation:
USTC
*
*[email protected]
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Abstract

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We derive zphot for sources in the entire (~0.4 deg2) H-HDF-N field with the EAzY code, based on PSF-matched broad-band (U band to IRAC 4.5 μm) photometry. Our catalog consists of a total of 131,678 sources. We find σNMAD = 0.029 for non-X-ray sources. We also classify each object as a star or galaxy through SED fitting. Furthermore, we match our catalog with the 2 Ms CDF-N main X-ray catalog. For the 462 matched non-stellar X-ray sources, we improve their zphot quality (σNMAD = 0.035) by adding three additional AGN templates. We make our photometry and zphot catalog publicly available.

Keywords

catalogs—galaxies: distances and redshifts—galaxies: evolution—surveys
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , Symposium S319: Galaxies at High Redshift and Their Evolution Over Cosmic Time , August 2015 , pp. 56
Copyright
Copyright © International Astronomical Union 2016