The Hobby–Eberly Telescope VIRUS Parallel Survey (HETVIPS)*

Author:

Zeimann Gregory R.ORCID,Debski Maya H.,Schneider Donald P.ORCID,Bowman William P.ORCID,Drory NivORCID,Hill Gary J.ORCID,Lee HanshinORCID,MacQueen Phillip,Shetrone MatthewORCID

Abstract

Abstract The Hobby–Eberly Telescope (HET) VIRUS Parallel Survey (HETVIPS) is a blind spectroscopic program that sparsely covers approximately two-thirds of the celestial sphere and consists of roughly 252 million fiber spectra. The spectra were taken in parallel mode with the Visible Integral-field Replicable Unit Spectrograph (VIRUS) instrument when the HET was observing a primary target with other HET facility instruments. VIRUS can simultaneously obtain approximately 35,000 spectra covering 3470–5540 Å at a spectral resolution of ≈800. Although the vast majority of these spectra cover blank sky, we used the Pan-STARRS1 Data Release 2 Stacked Catalog to identify objects encompassed in the HETVIPS pointings and extract their spectra. This paper presents the first HETVIPS data release, containing 493,012 flux-calibrated spectra obtained through 2023 March 31, as well as a description of the data processing technique. Each of the object spectra were classified, resulting in a catalog of 74,196 galaxies, 4,087 quasars, 259,396 stars, and 154,543 unknown sources.

Publisher

American Astronomical Society

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