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The Sloan Digital Sky Survey Reverberation Mapping Project: Photometric g and i Light Curves

Kinemuchi, K. and Hall, Patrick B. and McGreer, Ian and Kochanek, C. S. and Grier, Catherine J. and Trump, Jonathan and Shen, Yue and Brandt, W. N. and Wood-Vasey, W. M. and Fan, Xiaohui and Peterson, Bradley M. and Schneider, Donald P. and Hernández Santisteban, Juan V. and Horne, Keith and Chen, Yuguang and Eftekharzadeh, Sarah and Guo, Yucheng and Jia, Siyao and Li, Feng and Li, Zefeng and Nie, Jundan and Ponder, Kara A. and Rogerson, Jesse and Zhang, Tianmen and Zou, Hu and Jiang, Linhua and Ho, Luis C. and Kneib, Jean-Paul and Petitjean, Patrick and Palanque-Delabrouille, Nathalie and Yeche, Christophe (2020) The Sloan Digital Sky Survey Reverberation Mapping Project: Photometric g and i Light Curves. Astrophysical Journal Supplement Series, 250 (1). Art. No. 10. ISSN 1538-4365. https://resolver.caltech.edu/CaltechAUTHORS:20200911-133135183

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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.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.3847/1538-4365/aba43fDOIArticle
https://arxiv.org/abs/2007.05160arXivDiscussion Paper
ORCID:
AuthorORCID
Kinemuchi, K.0000-0001-7908-7724
Hall, Patrick B.0000-0002-1763-5825
McGreer, Ian0000-0002-3461-5228
Kochanek, C. S.0000-0001-6017-2961
Grier, Catherine J.0000-0001-9920-6057
Trump, Jonathan0000-0002-1410-0470
Shen, Yue0000-0003-1659-7035
Brandt, W. N.0000-0002-0167-2453
Wood-Vasey, W. M.0000-0001-7113-1233
Fan, Xiaohui0000-0003-3310-0131
Peterson, Bradley M.0000-0001-6481-5397
Schneider, Donald P.0000-0001-7240-7449
Hernández Santisteban, Juan V.0000-0002-6733-5556
Horne, Keith0000-0003-1728-0304
Chen, Yuguang0000-0003-4520-5395
Jia, Siyao0000-0001-5341-0765
Li, Zefeng0000-0003-4405-8872
Ponder, Kara A.0000-0002-8207-3304
Rogerson, Jesse0000-0002-7078-1776
Zhang, Tianmen0000-0002-8531-5161
Zou, Hu0000-0002-6684-3997
Jiang, Linhua0000-0003-4176-6486
Ho, Luis C.0000-0001-6947-5846
Kneib, Jean-Paul0000-0002-4616-4989
Palanque-Delabrouille, Nathalie0000-0003-3188-784X
Additional Information:© 2020. The American Astronomical Society. Received 2020 May 22; revised 2020 July 1; accepted 2020 July 6; published 2020 September 3. Based in part on observations obtained with MegaPrime/MegaCam, a joint project of CFHT and CEA/DAPNIA, at the CFHT, which is operated by the National Research Council (NRC) of Canada, the Institut National des Sciences de l'Univers of the Centre National de la Recherche Scientifique of France, and the University of Hawaii. The authors wish to recognize and acknowledge the very significant cultural role and reverence that the summit of Maunakea has always had within the indigenous Hawaiian community. We are most fortunate to have the opportunity to conduct observations from this mountain. We thank the CFHT staff who supported our program, including Nadine Manset, Todd Burdullis, Simon Prunet, and Andreea Petric. We thank the anonymous referee for the helpful comments to this paper. 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.
Funders:
Funding AgencyGrant Number
Natural Sciences and Engineering Research Council of Canada (NSERC)2017-05983
NSFAST-1517113
Alfred P. Sloan FoundationUNSPECIFIED
NSFAST-1715579
National Key R&D Program of China2016YFA0400702
National Natural Science Foundation of China11721303
National Natural Science Foundation of China11991052
Science and Technology Facilities Council (STFC)ST/R000824/1
NSFAST-1814440
NSFAST-1908570
Subject Keywords:Active galactic nuclei
Issue or Number:1
Classification Code:Unified Astronomy Thesaurus concepts: Active galactic nuclei (16)
Record Number:CaltechAUTHORS:20200911-133135183
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20200911-133135183
Official Citation:K. Kinemuchi et al 2020 ApJS 250 10
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:105337
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:15 Sep 2020 14:18
Last Modified:15 Sep 2020 14:18

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