Inherent systematic errors in the SDSS astrometric solutions, achieving ~32 masĪnd ~35 mas RMS accuracy down to 18 mag for point sources and extended sources,įor each light-motion curve, 229 photometric and astrometric quantities areĭerived and stored in a higher-level catalogue. The astrometry are recalibrated to correct for SDSS Spiral-like patterns of star formation discovered in old galaxies Record-breaking dwarf satellite galaxy of the Milky Way discovered Starvation diet for. Photometric zeropoints, achieving ~20 mmag and ~30 mmag root-mean-square (RMS)Īccuracy down to 18 mag in the g, r, i and z bands for point sources andĮxtended sources, respectively. The photometry are recalibrated to correct for varying Resulting catalogue contains almost 4 million light-motion curves of stellar This catalog combines Gaia DR1, Pan-STARRS 1, SDSS and 2MASS astrometry to compute proper motions for 350 million sources across three-fourths of the sky. Objects are cross-matchedīetween runs, taking into account the effects of any proper motion. U, g, r, i and z bands over a seven-year baseline. Stripe 82 has been repeatedly monitored in the ![]() Survey (SDSS) Stripe 82, covering 99 deg in right ascension from RA = 20.7 h toģ.3 h and spanning 2.52 deg in declination from Dec = -1.26 to 1.26 deg, for a ![]() Bramich and 21 other authors Download PDF Abstract: We present a new public archive of light-motion curves in Sloan Digital Sky ![]() Download a PDF of the paper titled Light and Motion in SDSS Stripe 82: The Catalogues, by D.M.
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