Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Viswa Velur"'
Autor:
Dale A. Frail, Io K. W. Kleiser, Avishay Gal-Yam, Shriharsh P. Tendulkar, S. Bradley Cenko, Gustavo Rahmer, Eran O. Ofek, Khanh Bui, J. A. Kennea, Neil Gehrels, John Henning, Janet Jacobsen, Robert M. Quimby, Roger Smith, Dovi Poznanski, D. McKenna, Mansi M. Kasliwal, James D. Neill, Dan L. Starr, Cullen H. Blake, Richard Walters, David Hale, O. Yaron, Karl Forster, Weidong Li, Joshua S. Bloom, Richard Dekany, Peter Nugent, Yoav Green, Lars Bildsten, Alexei V. Filippenko, Jeff Zolkower, J. L. Howell, Nicholas M. Law, D. B. Fox, Adam Miller, Iair Arcavi, George Helou, Christopher Martin, Shri Kulkarni, Mark Sullivan, Viswa Velur
The Palomar Transient Factory (PTF) is systematically charting the optical transient and variable sky. A primary science driver of PTF is building a complete inventory of transients in the local Universe (distance less than 200 Mpc). Here, we report
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9bf67e46ed638552bf10f71f03750afb
https://doi.org/10.1088/0004-637x/730/2/134
https://doi.org/10.1088/0004-637x/730/2/134
Autor:
Mansi M. Kasliwal, D. Andrew Howell, Dovi Poznanski, D. McKenna, Mark Sullivan, Viswa Velur, Robert M. Quimby, Nicholas M. Law, Joseph Brimacombe Mb ChB Frca, David Hale, Assaf Sternberg, Stefan Immler, Richard Walters, Robert A. Fesen, Joshua S. Bloom, Peter Nugent, Eran O. Ofek, Lars Bildsten, Richard Dekany, S. Bradley Cenko, Neil Gehrels, Gustavo Rahmer, Roger Smith, Avishay Gal-Yam, Iair Arcavi, Shrinivas R. Kulkarni, Paul F. Burke, Ken J. Shen, O. Yaron, Dan Milisavljevic, Eric Hsiao, K. Bui, Janet Jacobsen, Douglas J. Rich, Jeff Zolkower, John Henning
Publikováno v:
The Astrophysical Journal. 723:L98-L102
We present the discovery, photometric and spectroscopic follow-up observations of SN 2010X (PTF 10bhp). This supernova decays exponentially with tau_d=5 days, and rivals the current recordholder in speed, SN 2002bj. SN 2010X peaks at M_r=-17mag and h
Autor:
Robert P. Thicksten, John Henning, Michael J. Ireland, Peter G. Tuthill, Jennifer E. Roberts, Rick Burruss, Mitchell Troy, Anna M. Moore, J. Hickey, Edward J. Kibblewhite, Renu Tripathi, J. Chris Shelton, David Bernat, Frantz Martinache, James P. Lloyd, Harold L. Petrie, Richard Dekany, Antonin Bouchez, Tuan Truong, Thang Trinh, John Angione, Viswa Velur, John Cromer, Daniel L. McKenna, Stephen R. Guiwits
Publikováno v:
The Astrophysical Journal. 715:724-735
We present a close companion search around sixteen known early-L dwarfs using aperture masking interferometry with Palomar laser guide star adaptive optics. The use of aperture masking allows the detection of close binaries, corresponding to projecte
Autor:
Anna M. Moore, Yusuke Ebihara, Michael C. B. Ashley, Allan T. Weatherwax, D. Christopher Martin, Ernest Croner, Sara Ahmed, Jason Fucik, Viswa Velur, Alex Delacroix
The Gattini South Pole UV experiment (Gattini SPUV) was deployed to the South Pole dark sector in February 2010 and has recently completed a highly successful first season of winter time observations. The experiment has, for the first time ever, meas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7eb254684c9461554be1cc80c8ce3938
https://resolver.caltech.edu/CaltechAUTHORS:20130125-103057334
https://resolver.caltech.edu/CaltechAUTHORS:20130125-103057334
Autor:
Viswa Velur, Russ R. Laher, Nouhad Hamam, Varoujan Gorjian, John W. Fowler, Julian C. van Eyken, Jeff Zolkower, Mansi M. Kasliwal, S. Mattingly, Frank J. Masci, Jason Surace, Richard Walters, Eran O. Ofek, Richard Dekany, George Helou, Edward Jackson, Eugean Hacopeans, David Hale, Nicholas M. Law, Steve Groom, Robert M. Quimby, Carl J. Grillmair, Wei Mi, D. McKenna, Khahn Bui, John Henning, Gustavo Rahmer, Roger Smith, Harry I. Teplitz, Luisa Rebull, Shrinivas R. Kulkarni
Outputs from new software program Aperture Photometry Tool (APT) are compared with similar outputs from SExtractor for sources extracted from R-band optical images acquired by the Palomar Transient Factory (PTF), infrared mosaics constructed from Spi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::299165a2dbfb259d528213510ab818fb
https://resolver.caltech.edu/CaltechAUTHORS:20120925-132848017
https://resolver.caltech.edu/CaltechAUTHORS:20120925-132848017
Autor:
Iair Arcavi, Dovi Poznanski, D. McKenna, Avishay Gal-Yam, Mansi M. Kasliwal, Jeffry Zolkower, K. Bui, Lars Bildsten, Mark Sullivan, Viswa Velur, Peter Nugent, Eran O. Ofek, Nicholas M. Law, R. M. Quimby, D. A. Howell, R. C. Thomas, Christopher A. Theissen, John Henning, Shrinivas R. Kulkarni, Gustavo Rahmer, David Levitan, Ehud Nakar, David Hale, S. B. Cenko, Robert J. Walters, Richard Dekany, Roger Smith
Supernovae (SNe) are stellar explosions driven by gravitational or thermonuclear energy, observed as electromagnetic radiation emitted over weeks or more. In all known SNe, this radiation comes from internal energy deposited in the outflowing ejecta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::172dde006233c3dab5768509ee4375e1
https://resolver.caltech.edu/CaltechAUTHORS:20110627-141511557
https://resolver.caltech.edu/CaltechAUTHORS:20110627-141511557
Autor:
Mansi M. Kasliwal, Lynne A. Hillenbrand, Robert M. Quimby, Nathaniel R. Butler, Peter Nugent, Gustavo Rahmer, Adam A. Miller, Richard Walters, S. Bradley Cenko, Joshua S. Bloom, Marcel A. Agüeros, Dovi Poznanski, Viswa Velur, D. McKenna, Khanh Bui, William J. Fischer, Luisa Rebull, Roger Smith, Shrinivas R. Kulkarni, Alexei V. Filippenko, John Rayner, Nicholas M. Law, David Hale, Jeffrey M. Silverman, Richard Dekany, C. R. Klein, Kevin R. Covey, Jeff Zolkower, Eran O. Ofek, John Henning, Janet Jacobsen
During a synoptic survey of the North American Nebula region, the Palomar Transient Factory (PTF) detected an optical outburst (dubbed PTF10nvg) associated with the previously unstudied flat or rising spectrum infrared source IRAS 20496+4354. The PTF
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8f82a49242186092c2b97ee4c7ac6e64
http://arxiv.org/abs/1011.2565
http://arxiv.org/abs/1011.2565
Autor:
Adam A. Miller, Lynne A. Hillenbrand, Kevin R. Covey, Dovi Poznanski, Jeffrey M. Silverman, Io K. W. Kleiser, Bárbara Rojas-Ayala, Philip S. Muirhead, S. Bradley Cenko, Joshua S. Bloom, Mansi M. Kasliwal, Alexei V. Filippenko, Nicholas M. Law, Eran O. Ofek, Richard G. Dekany, Gustavo Rahmer, David Hale, Roger Smith, Robert M. Quimby, Peter Nugent, Janet Jacobsen, Jeff Zolkower, Viswa Velur, Richard Walters, John Henning, Khanh Bui, Dan McKenna, Shrinivas R. Kulkarni, Christopher R. Klein, Michael Kandrashoff, Alekzandir Morton
We present pre- and post-outburst observations of the new FU Orionis-like young stellar object PTF 10qpf (also known as LkHa 188-G4 and HBC 722). Prior to this outburst, LkHa 188-G4 was classified as a classical T Tauri star on the basis of its optic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::801832997a44d15d8f38f24b4a79c92b
http://arxiv.org/abs/1011.2063
http://arxiv.org/abs/1011.2063
Autor:
Richard Dekany, Robert M. Quimby, Mansi M. Kasliwal, David Hale, D. Andrew Howell, Mark Sullivan, Viswa Velur, Jakob Jonsson, Jeff Cooke, S. Bradley Cenko, Janet Jacobsen, John Henning, Avishay Gal-Yam, Roger M. H. Smith, Isobel Hook, Alexei V. Filippenko, Nicholas M. Law, Eran O. Ofek, Richard Walters, Iair Arcavi, S. Blake, Dovi Poznanski, D. McKenna, K. Bui, Gustavo Rahmer, Shrinivas R. Kulkarni, Peter Nugent, Joshua S. Bloom, Jeff Zolkower
Publikováno v:
NASA Astrophysics Data System
We use the first compilation of 72 core-collapse supernovae (SNe) from the Palomar Transient Factory (PTF) to study their observed subtype distribution in dwarf galaxies compared to giant galaxies. Our sample is the largest single-survey, untargeted,
Autor:
Gustavo Rahmer, R. M. Quimby, K. Bui, Roger Smith, David Hale, S. Mattingly, Richard Dekany, Peter Nugent, Carl J. Grillmair, Mansi M. Kasliwal, D. McKenna, Jeffry Zolkower, R. R. Laher, Robert J. Walters, John Henning, Janet Jacobsen, Shrinivas R. Kulkarni, Nicholas M. Law, Eran O. Ofek, Jason Surace, Josh Bloom, Viswa Velur
Publikováno v:
SPIE Proceedings.
The Palomar Transient Factory (PTF) is a new fully-automated, wide-field survey conducting a systematic exploration of the optical transient sky. The transient survey is performed using a new 8.1 square degree, 101 megapixel camera installed on the 4