Chandra Deep Field-South: Optical spectroscopy (Szokoly+, 2004)

Details Chandra Deep Field-South: Optical spectroscopy (Szokoly+, 2004) Chandra Deep Field-South: Optical spectroscopy (Szokoly+, 2004)

Jun 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005ycat..21550271s&link_type=abstract

VizieR On-line Data Catalog: J/ApJS/155/271. Originally published in: 2004ApJS..155..271S

Computer Science

X-Ray Sources, Surveys, Photometry, Redshifts

Scientific paper

We present the results of our spectroscopic follow-up program of the X-ray sources detected in the 942ks exposure of the Chandra Deep Field-South (CDFS). A total of 288 possible counterparts were observed at the VLT with the FORS1/FORS2 spectrographs for 251 of the 349 Chandra sources (including three additional faint X-ray sources). Spectra and R-band images are shown for all the observed sources and R-K colors are given for most of them. Spectroscopic redshifts were obtained for 168 X-ray sources, of which 137 have both reliable optical identification and redshift estimate (including 16 external identifications). The R<24 observed sample comprises 161 X-ray objects (181 optical counterparts), and 126 of them have unambiguous spectroscopic identification.
(4 data files).

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