Light and motion in SDSS Stripe 82

The catalogues

D. M. Bramich, S. Vidrih, L. Wyrzykowski, J. A. Munn, H. Lin, N. W. Evans, M. C. Smith, V. Belokurov, G. Gilmore, D. B. Zucker, P. C. Hewett, L. L. Watkins, D. C. Faria, M. Fellhauer, G. Miknaitis, D. Bizyaev, Ž Ivezić, D. P. Schneider, S. A. Snedden, E. Malanushenko & 2 others V. Malanushenko, K. Pan

Research output: Contribution to journalArticle

80 Citations (Scopus)

Abstract

We present a new public archive of light-motion curves in Sloan Digital Sky Survey (SDSS) Stripe 82, covering 99° in right ascension from to and spanning in declination from to, for a total sky area of ∼249 deg 2. Stripe 82 has been repeatedly monitored in the u, g, r, i and z bands over a seven-year baseline. Objects are cross-matched between runs, taking into account the effects of any proper motion. The resulting catalogue contains almost 4 million light-motion curves of stellar objects and galaxies. The photometry are recalibrated to correct for varying photometric zero-points, achieving ∼20 and 30 mmag rms accuracy down to 18 mag in the g, r, i and z bands for point sources and extended sources, respectively. The astrometry are recalibrated to correct for inherent systematic errors in the SDSS astrometric solutions, achieving ∼32 and 35 mas rms accuracy down to 18 mag for point sources and extended sources, respectively. For each light-motion curve, 229 photometric and astrometric quantities are derived and stored in a higher level catalogue. On the photometric side, these include mean exponential and point spread function (PSF) magnitudes along with uncertainties, rms scatter, χ2 per degree of freedom, various magnitude distribution percentiles, object type (stellar or galaxy), and eclipse, Stetson and Vidrih variability indices. On the astrometric side, these quantities include mean positions, proper motions as well as their uncertainties and χ2 per degree of freedom. The light-motion curve catalogue presented here is complete down to r ∼ 21.5 and is at present the deepest large-area photometric and astrometric variability catalogue available.

Original languageEnglish
Pages (from-to)887-902
Number of pages16
JournalMonthly Notices of the Royal Astronomical Society
Volume386
Issue number2
DOIs
Publication statusPublished - 1 May 2008
Externally publishedYes

Fingerprint

catalogs
proper motion
curves
point sources
point source
degrees of freedom
galaxies
astrometry
declination
eclipses
point spread functions
systematic errors
photometry
sky
coverings
freedom

Keywords

  • Astrometry
  • Catalogues
  • Galaxies: photometry
  • Galaxy: stellar content
  • Stars: variables: others

ASJC Scopus subject areas

  • Space and Planetary Science

Cite this

Bramich, D. M., Vidrih, S., Wyrzykowski, L., Munn, J. A., Lin, H., Evans, N. W., ... Pan, K. (2008). Light and motion in SDSS Stripe 82: The catalogues. Monthly Notices of the Royal Astronomical Society, 386(2), 887-902. https://doi.org/10.1111/j.1365-2966.2008.13053.x

Light and motion in SDSS Stripe 82 : The catalogues. / Bramich, D. M.; Vidrih, S.; Wyrzykowski, L.; Munn, J. A.; Lin, H.; Evans, N. W.; Smith, M. C.; Belokurov, V.; Gilmore, G.; Zucker, D. B.; Hewett, P. C.; Watkins, L. L.; Faria, D. C.; Fellhauer, M.; Miknaitis, G.; Bizyaev, D.; Ivezić, Ž; Schneider, D. P.; Snedden, S. A.; Malanushenko, E.; Malanushenko, V.; Pan, K.

In: Monthly Notices of the Royal Astronomical Society, Vol. 386, No. 2, 01.05.2008, p. 887-902.

Research output: Contribution to journalArticle

Bramich, DM, Vidrih, S, Wyrzykowski, L, Munn, JA, Lin, H, Evans, NW, Smith, MC, Belokurov, V, Gilmore, G, Zucker, DB, Hewett, PC, Watkins, LL, Faria, DC, Fellhauer, M, Miknaitis, G, Bizyaev, D, Ivezić, Ž, Schneider, DP, Snedden, SA, Malanushenko, E, Malanushenko, V & Pan, K 2008, 'Light and motion in SDSS Stripe 82: The catalogues', Monthly Notices of the Royal Astronomical Society, vol. 386, no. 2, pp. 887-902. https://doi.org/10.1111/j.1365-2966.2008.13053.x
Bramich, D. M. ; Vidrih, S. ; Wyrzykowski, L. ; Munn, J. A. ; Lin, H. ; Evans, N. W. ; Smith, M. C. ; Belokurov, V. ; Gilmore, G. ; Zucker, D. B. ; Hewett, P. C. ; Watkins, L. L. ; Faria, D. C. ; Fellhauer, M. ; Miknaitis, G. ; Bizyaev, D. ; Ivezić, Ž ; Schneider, D. P. ; Snedden, S. A. ; Malanushenko, E. ; Malanushenko, V. ; Pan, K. / Light and motion in SDSS Stripe 82 : The catalogues. In: Monthly Notices of the Royal Astronomical Society. 2008 ; Vol. 386, No. 2. pp. 887-902.
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AU - Vidrih, S.

AU - Wyrzykowski, L.

AU - Munn, J. A.

AU - Lin, H.

AU - Evans, N. W.

AU - Smith, M. C.

AU - Belokurov, V.

AU - Gilmore, G.

AU - Zucker, D. B.

AU - Hewett, P. C.

AU - Watkins, L. L.

AU - Faria, D. C.

AU - Fellhauer, M.

AU - Miknaitis, G.

AU - Bizyaev, D.

AU - Ivezić, Ž

AU - Schneider, D. P.

AU - Snedden, S. A.

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AU - Pan, K.

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N2 - We present a new public archive of light-motion curves in Sloan Digital Sky Survey (SDSS) Stripe 82, covering 99° in right ascension from to and spanning in declination from to, for a total sky area of ∼249 deg 2. Stripe 82 has been repeatedly monitored in the u, g, r, i and z bands over a seven-year baseline. Objects are cross-matched between runs, taking into account the effects of any proper motion. The resulting catalogue contains almost 4 million light-motion curves of stellar objects and galaxies. The photometry are recalibrated to correct for varying photometric zero-points, achieving ∼20 and 30 mmag rms accuracy down to 18 mag in the g, r, i and z bands for point sources and extended sources, respectively. The astrometry are recalibrated to correct for inherent systematic errors in the SDSS astrometric solutions, achieving ∼32 and 35 mas rms accuracy down to 18 mag for point sources and extended sources, respectively. For each light-motion curve, 229 photometric and astrometric quantities are derived and stored in a higher level catalogue. On the photometric side, these include mean exponential and point spread function (PSF) magnitudes along with uncertainties, rms scatter, χ2 per degree of freedom, various magnitude distribution percentiles, object type (stellar or galaxy), and eclipse, Stetson and Vidrih variability indices. On the astrometric side, these quantities include mean positions, proper motions as well as their uncertainties and χ2 per degree of freedom. The light-motion curve catalogue presented here is complete down to r ∼ 21.5 and is at present the deepest large-area photometric and astrometric variability catalogue available.

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KW - Catalogues

KW - Galaxies: photometry

KW - Galaxy: stellar content

KW - Stars: variables: others

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