Astronomy and Astrophysics – Astrophysics
Scientific paper
2002-12-31
Astronomy and Astrophysics
Astrophysics
58 preprint pages, including 26 figures; accepted for publication in ApJS
Scientific paper
10.1086/373988
In the first three years of operation STIS obtained slitless spectra of approximately 2500 fields in parallel to prime HST observations as part of the STIS Parallel Survey (SPS). The archive contains almost 300 fields at high galactic latitude (|b|>30) with spectroscopic exposure times greater than 3000 seconds. This sample contains 220 fields (excluding special regions and requiring a consistent grating angle) observed between 6 June 1997 and 21 September 2000, with a total survey area of about 160 square arcminutes. At this depth, the SPS detects an average of one emission line galaxy per three fields. We present the analysis of these data, and the identification of 131 low to intermediate redshift galaxies detected by optical emission lines. The sample contains 78 objects with emission lines that we infer to be redshifted [OII]3727 emission at 0.43
Collins Nicholas R.
Gardner Jonathan P.
Heap Sara R.
Hill Robert S.
Lindler Don J.
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