Asteroid rotation periods from the Palomar Transient Factory survey
David Polishook,Eran O. Ofek,Adam Waszczak,Shrinivas R. Kulkarni,Avishay Gal-Yam,Oded Aharonson,Russ R. Laher,Jason Surace,C. R. Klein,Josh Bloom,Noah Brosch,Dina Prialnik,Carl J. Grillmair,S. B. Cenko,Mansi M. Kasliwal,Nicholas M. Law,David Levitan,Peter Nugent,Dovi Poznanski,Dovi Poznanski,Dovi Poznanski,Robert Quimby +21 more
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In this paper, the authors used PTF observations of fields that were observed multiple times (≳10) per night, for several nights, to find asteroids, construct their light curves and measure their rotation periods.Abstract:
The Palomar Transient Factory (PTF) is a synoptic survey designed to explore the transient and variable sky in a wide variety of cadences. We use PTF observations of fields that were observed multiple times (≳10) per night, for several nights, to find asteroids, construct their light curves and measure their rotation periods. Here we describe the pipeline we use to achieve these goals and present the results from the first four (overlapping) PTF fields analysed as part of this programme. These fields, which cover an area of 21 deg^2, were observed on four nights with a cadence of ∼20 min. Our pipeline was able to detect 624 asteroids, of which 145 (≈20 per cent) were previously unknown. We present high-quality rotation periods for 88 main-belt asteroids and possible period or lower limit on the period for an additional 85 asteroids. For the remaining 451 asteroids, we present lower limits on their photometric amplitudes. Three of the asteroids have light curves that are characteristic of binary asteroids. We estimate that implementing our search for all existing high-cadence PTF data will provide rotation periods for about 10 000 asteroids mainly in the magnitude range ≈14 to ≈20.read more
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Journal ArticleDOI
The zwicky transient facility: System overview, performance, and first results
Eric C. Bellm,Shrinivas R. Kulkarni,Matthew J. Graham,Richard Dekany,Roger M. H. Smith,Reed Riddle,Frank J. Masci,George Helou,Thomas A. Prince,Scott M. Adams,Cristina Barbarino,Tom A. Barlow,James Bauer,Ron Beck,Justin Belicki,Rahul Biswas,Nadejda Blagorodnova,Dennis Bodewits,Bryce Bolin,V. Brinnel,Tim Brooke,Brian D. Bue,Mattia Bulla,Rick Burruss,S. Bradley Cenko,S. Bradley Cenko,Chan-Kao Chang,Andrew J. Connolly,Michael W. Coughlin,John Cromer,Virginia Cunningham,Kaushik De,Alex Delacroix,Vandana Desai,Dmitry A. Duev,Gwendolyn Eadie,Tony L. Farnham,Michael Feeney,Ulrich Feindt,David Flynn,Anna Franckowiak,Sara Frederick,Christoffer Fremling,Avishay Gal-Yam,Suvi Gezari,Matteo Giomi,Daniel A. Goldstein,V. Zach Golkhou,Ariel Goobar,Steven Groom,Eugean Hacopians,David Hale,John Henning,Anna Y. Q. Ho,David Hover,Justin Howell,Tiara Hung,Daniela Huppenkothen,David Imel,Wing-Huen Ip,Wing-Huen Ip,Željko Ivezić,Edward Jackson,Lynne Jones,Mario Juric,Mansi M. Kasliwal,Shai Kaspi,Stephen Kaye,Michael S. P. Kelley,Marek Kowalski,Emily Kramer,Thomas Kupfer,Thomas Kupfer,Walter Landry,Russ R. Laher,Chien De Lee,Hsing Wen Lin,Hsing Wen Lin,Zhong-Yi Lin,Ragnhild Lunnan,Ashish Mahabal,Peter H. Mao,Adam A. Miller,Adam A. Miller,Serge Monkewitz,Patrick J. Murphy,Chow-Choong Ngeow,Jakob Nordin,Peter Nugent,Peter Nugent,Eran O. Ofek,Maria T. Patterson,Bryan E. Penprase,Michael Porter,L. Rauch,Umaa Rebbapragada,Daniel J. Reiley,Mickael Rigault,Hector P. Rodriguez,Jan van Roestel,Ben Rusholme,J. V. Santen,Steve Schulze,David L. Shupe,Leo Singer,Leo Singer,Maayane T. Soumagnac,Robert Stein,Jason Surace,Jesper Sollerman,Paula Szkody,Francesco Taddia,Scott Terek,Angela Van Sistine,Sjoert van Velzen,W. Thomas Vestrand,Richard Walters,Charlotte Ward,Quanzhi Ye,Po-Chieh Yu,Lin Yan,Jeffry Zolkower +121 more
TL;DR: The Zwicky Transient Facility (ZTF) as mentioned in this paper is a new optical time-domain survey that uses the Palomar 48 inch Schmidt telescope, which provides a 47 deg^2 field of view and 8 s readout time, yielding more than an order of magnitude improvement in survey speed relative to its predecessor survey.
Journal ArticleDOI
Science with a Wide-field UV Transient Explorer
Ilan Sagiv,Avishay Gal-Yam,Eran O. Ofek,Eli Waxman,Oded Aharonson,Shrinivas R. Kulkarni,Ehud Nakar,D. Maoz,Benny Trakhtenbrot,E. S. Phinney,J. Topaz,C. A. Beichman,Jayant Murthy,Simon P. Worden +13 more
TL;DR: In this paper, the potential scientific impact of a wide-field UV survey on the study of explosive and other transient events, as well as known classes of variable objects, such as active galactic nuclei and variable stars, is reviewed.
Journal ArticleDOI
Asteroid lightcurves from the Palomar Transient Factory survey: Rotation periods and phase functions from sparse photometry
Adam Waszczak,Chan-Kao Chang,Eran O. Ofek,Russ R. Laher,Frank J. Masci,David Levitan,Jason Surace,Yu-Chi Cheng,Wing-Huen Ip,Daisuke Kinoshita,George Helou,Thomas A. Prince,Shrinivas R. Kulkarni +12 more
TL;DR: In this paper, the authors fit 54,296 sparsely-sampled asteroid lightcurves in the Palomar Transient Factory to a combined rotation plus phase-function model.
Journal ArticleDOI
Asteroid Light Curves from the Palomar Transient Factory Survey: Rotation Periods and Phase Functions from Sparse Photometry
Adam Waszczak,Chan-Kao Chang,Eran O. Ofek,Russ R. Laher,Frank J. Masci,David Levitan,Jason Surace,Yu Chi Cheng,Wing-Huen Ip,Daisuke Kinoshita,George Helou,Thomas A. Prince,Shrinivas R. Kulkarni +12 more
TL;DR: In this paper, the authors fit 54,296 sparsely sampled asteroid light curves in the Palomar Transient Factory survey to a combined rotation plus phase-function model and found that 9033 of these light curves have "reliable" periods.
Journal ArticleDOI
Asteroids’ physical models from combined dense and sparse photometry and scaling of the YORP effect by the observed obliquity distribution
Josef Hanus,Josef Ďurech,Miroslav Brož,Anna Marciniak,Brian D. Warner,Frederick Pilcher,Robert D. Stephens,Raoul Behrend,Benoit Carry,D. Čapek,P. Antonini,M. Audejean,K. Augustesen,E. Barbotin,P. Baudouin,A. Bayol,L. Bernasconi,W. Borczyk,J.-G. Bosch,E. Brochard,L. Brunetto,S. Casulli,A. Cazenave,S. Charbonnel,B. Christophe,François Colas,J. M. Coloma,M. Conjat,Walt Cooney,H. Correira,V. Cotrez,A. Coupier,R. Crippa,M. Cristofanelli,Ch. Dalmas,C. Danavaro,C. Demeautis,T. Droege,R. Durkee,N. Esseiva,Maria J. Esteban,M. Fagas,G. Farroni,M. Fauvaud,S. Fauvaud,F. Del Freo,Lilia M. Urdaneta García,S. Geier,C. Godon,K. Grangeon,Hiroko Hamanowa,N. Heck,S. Hellmich,David Higgins,R. Hirsch,Marek Husárik,T. Itkonen,O. Jade,Krzysztof Kamiński,Paweł Kankiewicz,Alain Klotz,R. A. Koff,Agnieszka Kryszczyńska,T. Kwiatkowski,A. Laffont,A. Leroy,J. Lecacheux,Y. Leonie,C. Leyrat,Federico Manzini,A. Martin,Gianluca Masi,D. Matter,J. Michałowski,Michał J. Michałowski,Tadeusz Michalowski,J. Michelet,R. Michelsen,E. Morelle,Stefano Mottola,R. Naves,J. Nomen,Julian Oey,Waldemar Ogloza,A. Oksanen,Dagmara Oszkiewicz,P. Pääkkönen,M. Paiella,H. Pallares,J. Paulo,M. Pavic,B. Payet,Magdalena Polińska,David Polishook,R. Poncy,Y. Revaz,C. Rinner,M. Rocca,A. Roche,D. Romeuf,R. Roy,H. Saguin,P. A. Salom,Sébastien Sanchez,G. Santacana,Toni Santana-Ros,J.-P. Sareyan,K. Sobkowiak,S. Sposetti,D. A. Starkey,R. Stoss,J. Strajnic,J.-P. Teng,B. Tregon,A. Vagnozzi,F. P. Velichko,N. Waelchli,K. Wagrez,H. Wücher +118 more
TL;DR: In this article, the authors compared the observed pole latitude distribution of all asteroids with known convex shape models with the simulated pole latitude distributions and presented 119 new asteroid shape models derived from combined dense and sparse-in-time photometry.
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TL;DR: The Sloan Digital Sky Survey (SDSS) as discussed by the authors provides the data to support detailed investigations of the distribution of luminous and non-luminous matter in the universe: a photometrically and astrometrically calibrated digital imaging survey of π sr above about Galactic latitude 30° in five broad optical bands to a depth of g' ~ 23 mag.
Journal ArticleDOI
The Palomar Transient Factory: system overview, performance and first results
Nicholas M. Law,Shrinivas R. Kulkarni,Richard Dekany,Eran O. Ofek,Robert M. Quimby,Peter Nugent,Jason Surace,C. Grillmair,Joshua S. Bloom,Mansi M. Kasliwal,Lars Bildsten,Timothy M. Brown,S. Bradley Cenko,David R. Ciardi,Ernest Croner,S. George Djorgovski,Julian C. van Eyken,Alexei V. Filippenko,Derek B. Fox,Avishay Gal-Yam,David Hale,Nouhad Hamam,George Helou,John Henning,D. Andrew Howell,D. Andrew Howell,Janet Jacobsen,Russ R. Laher,S. Mattingly,D. McKenna,A. Pickles,Dovi Poznanski,Dovi Poznanski,Gustavo Rahmer,Arne Rau,Wayne Rosing,Michael M. Shara,Roger M. H. Smith,Dan L. Starr,Dan L. Starr,Mark Sullivan,Viswa Velur,Richard Walters,Jeff Zolkower +43 more
TL;DR: The Palomar Transient Factory (PTF) as mentioned in this paper is a fully-automated, wide-field survey aimed at a systematic exploration of the optical transient sky.
Journal ArticleDOI
The Palomar Transient Factory: System Overview, Performance and First Results
Nicholas M. Law,Shrinivas R. Kulkarni,Richard Dekany,Eran O. Ofek,R. M. Quimby,Peter Nugent,Jason Surace,C. Grillmair,Joshua S. Bloom,Mansi M. Kasliwal,Lars Bildsten,Timothy M. Brown,S. B. Cenko,David R. Ciardi,Ernest Croner,S. G. Djorgovski,J. C. van Eyken,Alexei V. Filippenko,D. B. Fox,Avishay Gal-Yam,David Hale,Nouhad Hamam,George Helou,John Henning,D. A. Howell,Janet Jacobsen,R. R. Laher,S. Mattingly,D. McKenna,A. Pickles,Dovi Poznanski,Gustavo Rahmer,A. Rau,Wayne Rosing,Michael M. Shara,Roger M. H. Smith,D. Starr,Mark Sullivan,V. Velur,R. Walters,J. Zolkower +40 more
TL;DR: The Palomar Transient Factory (PTF) as mentioned in this paper is a fully-automated, wide-field survey aimed at a systematic exploration of the optical transient sky.
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