VizieR Online Data Catalog: The quasars MMT-BOSS pilot survey (Ross+, 2012)
Abstract
The Sloan Digital Sky Survey is now in its third phase (SDSS-III; Eisenstein et al. 2011AJ....142...72E) and is carrying out a combination of four interleaved surveys that will continue until the summer of 2014. One of those surveys, the Baryon Oscillation Spectroscopic Survey (BOSS), commenced operations in late 2009 and is using essentially all the dark time for SDSS-III. BOSS uses the same 2.5m Sloan Foundation telescope that was used in SDSS-I/II, but since BOSS will observe fainter targets, the fiber-fed spectrographs have been significantly upgraded. These upgrades include: new CCDs with improved blue and red response; 1000 2" instead of 640 3" optical diameter fibers; higher throughput gratings over a spectral range of 3600-10000Å at a resolution of about 2000, and improved optics.
Prior to the commencement of BOSS spectroscopy, we carried out spectroscopy of quasar candidates selected from co-added photometry in SDSS Stripe 82. Observations of these candidates were carried out in queue mode between 2008 September and 2009 January using the Hectospec multi-fiber spectrograph on the 6.5m Multiple Mirror Telescope (MMT). In Tables 14 and 15, we provide positions, PSF photometry (as observed, uncorrected for Galactic extinction), and redshifts for confirmed quasars from the MMT survey. Objects that are not flagged Primary in the CAS are listed separately (table 15). (2 data files).- Publication:
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VizieR Online Data Catalog
- Pub Date:
- March 2012
- DOI:
- 10.26093/cds/vizier.21990003
- Bibcode:
- 2012yCat..21990003R
- Keywords:
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- Photometry: SDSS;
- Redshifts;
- QSOs;
- Surveys