Variability indexes of QSOs in SDSS Stripe 82 (Meusinger+, 2011)

Details Variability indexes of QSOs in SDSS Stripe 82 (Meusinger+, 2011) Variability indexes of QSOs in SDSS Stripe 82 (Meusinger+, 2011)

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010ycat..35259037m&link_type=abstract

VizieR On-line Data Catalog: J/A+A/525/A37. Originally published in: 2011A&A...525A..37M

Computer Science

Active Gal. Nuclei, Photometry: Sdss, Qsos

Scientific paper

We identified 8744 quasars in the Light-Motion Curve Catalogue (LMCC; Bramich et al., 2008MNRAS.386..887B, http://das.sdss.org/valueadded/stripe82variability/SDSS82_public/) for the stripe 82 of the Sloan Digital Sky Survey (SDSS). The light curves were used, after correction for photometric outliers, to compute individual noise-corrected first-order structure functions (variance as a function of time-lag) binned into rest frame time-lag intervals. The mean value of the corrected structure function at rest frame time-lags from 300 to 600 days is found to be a useful variability index for the statistical investigation of quasar samples with redshifts up to ~3. For each quasar, the variability indexes for the five SDSS bands are given along with the equatorial coordinates, redshift, mean g band magnitude, absolute i band magnitude, and a remark on spectral peculiarities.
(1 data file).

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