The Sloan Digital Sky Survey Reverberation Mapping project : photometric g and i light curves
Abstract
The Sloan Digital Sky Survey (SDSS) Reverberation Mapping program monitors 849 active galactic nuclei (AGNs) both spectroscopically and photometrically. The photometric observations used in this work span over 4 yr and provide an excellent baseline for variability studies of these objects. We present the photometric light curves from 2014 to 2017 obtained by the Steward Observatory's Bok telescope and the Canada-France-Hawaii telescope with MegaCam. We provide details on the data acquisition and processing of the data from each telescope, the difference imaging photometry used to produce the light curves, and the calculation of a variability index to quantify each AGN's variability. We find that the Welch-Stetson J index provides a useful characterization of AGN variability and can be used to select AGNs for further study.
Citation
Kinemuchi , K , Hall , P B , McGreer , I , Kochanek , C S , Grier , C J , Trump , J , Shen , Y , Brandt , W N , Wood-Vasey , W M , Fan , X , Peterson , B M , Schneider , D P , Hernández Santisteban , J V , Horne , K , Chen , Y , Eftekharzadeh , S , Guo , Y , Jia , S , Li , F , Li , Z , Nie , J , Ponder , K A , Rogerson , J , Zhang , T , Zou , H , Jiang , L , Ho , L C , Kneib , J P , Petitjean , P , Palanque-Delabrouille , N & Yeche , C 2020 , ' The Sloan Digital Sky Survey Reverberation Mapping project : photometric g and i light curves ' , Astrophysical Journal, Supplement Series , vol. 250 , no. 1 , 10 . https://doi.org/10.3847/1538-4365/aba43f
Publication
Astrophysical Journal, Supplement Series
Status
Peer reviewed
ISSN
0067-0049Type
Journal item
Description
Funding: P.H. acknowledges the support of the Natural Sciences and Engineering Research Council of Canada (NSERC), funding reference number 2017-05983. C.J.G., W.N.B., and D.P.S. acknowledge support from NSF grant AST-1517113. Y.S. acknowledges support from an Alfred P. Sloan Research Fellowship and NSF grant AST-1715579. L.C.H. acknowledges the National Key R&D Program of China (2016YFA0400702) and the National Science Foundation of China (11721303, 11991052). J.V.H.S. and K.H. acknowledge support from a STFC grant ST/R000824/1. C.S.K. is supported by NSF grants AST-1814440 and AST-1908570.Collections
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