Browsing by Author "Stubbs, Christopher"

Now showing items 1-20 of 60

    • All-Weather Calibration of Wide-Field Optical and NIR Surveys 

      Burke, David L.; Saha, Abhijit; Claver, Jenna; Axelrod, T.; Claver, Chuck; DePoy, Darren; Ivezić, Željko; Jones, Lynne; Smith, R. Chris; Stubbs, Christopher William (IOP Publishing, 2013)
      The science goals for ground-based large-area surveys, such as the Dark Energy Survey, Pan-STARRS, and the Large Synoptic Survey Telescope, require calibration of broadband photometry that is stable in time and uniform ...

    • BAT Slew Survey (BATSS): Slew Data Analysis for the Swift-BAT Coded Aperture Imaging Telescope 

      Copete, Antonio Julio (2013-03-18)
      The BAT Slew Survey (BATSS) is the first wide-field survey of the hard X-ray sky (15–150 keV) with a slewing coded aperture imaging telescope. Its fine time resolution, high sensitivity and large sky coverage make it ...

    • Characterization of the Praesepe Star Cluster by Photometry and Proper Motions With 2MASS, PPMXL, and Pan-STARRS 

      Wang, Ping; Chen, Wei; Lin, C. C.; Pandey, A. K.; Huang, C. K.; Panwar, N.; Lee, C. H.; Tsai, M. F.; Tang, C.-H.; Goldman, B.; Burgett, W. S.; Chambers, K. C.; Draper, P. W.; Flewelling, H.; Grav, T.; Heasley, J. N.; Hodapp, K. W.; Huber, M. E.; Jedicke, R.; Kaiser, N.; Kudritzki, R.-P.; Luppino, G. A.; Lupton, R. H.; Magnier, E. A.; Metcalfe, N.; Monet, D. G.; Morgan, J. S.; Onaka, P. M.; Price, P. A.; Stubbs, Christopher William; Sweeney, W.; Tonry, J. L.; Wainscoat, R. J.; Waters, C. (IOP Publishing, 2014)
      Membership identification is the first step in determining the properties of a star cluster. Low-mass members in particular could be used to trace the dynamical history, such as mass segregation, stellar evaporation, or ...

    • Colors of 2625 Quasars at 0 < z < 5 Measured in the Sloan Digital Sky Survey Photometric System 

      Richards, Gordon T.; Fan, Xiaohui; Schneider, Donald P.; Vanden Berk, Daniel E.; Strauss, Michael A.; York, Donald G.; Anderson, Jr., John E.; Anderson, Scott F.; Annis, James; Bahcall, Neta A.; Bernardi, Mariangela; Briggs, John W.; Brinkmann, J.; Brunner, Robert; Burles, Scott; Carey, Larry; Castander, Francisco J.; Connolly, A. J.; Crocker, J. H.; Csabai, István; Doi, Mamoru; Finkbeiner, Douglas; Friedman, Scott D.; Frieman, Joshua A.; Fukugita, Masataka; Gunn, James E.; Hindsley, Robert B.; Ivezic, Zeljko; Kent, Stephen; Knapp, G. R.; Lamb, D. Q.; Leger, R. French ; Long, Daniel C.; Loveday, Jon; Lupton, Robert H.; McKay, Timothy A.; Meiksin, Avery; Merrelli, Aronne; Munn, Jeffrey A.; Newberg, Heidi Jo; Newcomb, Matt; Nichol, R. C.; Owen, Russell; Pier, Jeffrey R.; Pope, Adrian; Richmond, Michael W.; Rockosi, Constance M.; Schlegel, David J.; Siegmund, Walter A.; Smee, Stephen; Snir, Yehuda; Stoughton, Chris; Stubbs, Christopher William; SubbaRao, Mark; Szalay, Alexander S.; Szokoly, Gyula P.; Tremonti, Christy; Uomoto, Alan; Waddell, Patrick; Yanny, Brian; Zheng, Wei (IOP Publishing, 2001)
      We present an empirical investigation of the colors of quasars in the Sloan Digital Sky Survey (SDSS) photometric system. The sample studied includes 2625 quasars with SDSS photometry: 1759 quasars found during SDSS ...

    • Composite Quasar Spectra from the Sloan Digital Sky Survey 

      Vanden Berk, Daniel E.; Richards, Gordon T.; Bauer, Amanda; Strauss, Michael A.; Schneider, Donald P.; Heckman, Timothy M.; York, Donald G.; Hall, Patrick B.; Fan, Xiaohui; Knapp, G. R.; Anderson, Scott F.; Annis, James; Bahcall, Neta A.; Bernardi, Mariangela; Briggs, John W.; Brinkmann, J.; Brunner, Robert; Burles, Scott; Carey, Larry; Castander, Francisco J.; Connolly, A. J.; Crocker, J. H.; Csabai, István; Doi, Mamoru; Finkbeiner, Douglas; Friedman, Scott; Frieman, Joshua A.; Fukugita, Masataka; Gunn, James E.; Hennessy, G. S.; Ivezic, Zeljko; Kent, Stephen; Kunszt, Peter Z.; Lamb, D. Q.; Leger, R. French; Long, Daniel C.; Loveday, Jon; Lupton, Robert H.; Meiksin, Avery; Merelli, Aronne; Munn, Jeffrey A.; Newberg, Heidi Jo; Newcomb, Matt; Nichol, R. C.; Owen, Russell; Pier, Jeffrey R.; Pope, Adrian; Rockosi, Constance M.; Schlegel, David J.; Siegmund, Walter A.; Smee, Stephen; Snir, Yehuda; Stoughton, Chris; Stubbs, Christopher William; SubbaRao, Mark; Szalay, Alexander S.; Szokoly, Gyula P.; Tremonti, Christy; Uomoto, Alan; Waddell, Patrick; Yanny, Brian; Zheng, Wei (IOP Publishing, 2001)
      We have created a variety of composite quasar spectra using a homogeneous data set of over 2200 spectra from the Sloan Digital Sky Survey (SDSS). The quasar sample spans a redshift range of 0.044 ≤ z ≤ 4.789 and an absolute ...

    • Cosmological Constraints from Measurements of Type Ia Supernovae Discovered during the First 1.5 yr of the Pan-STARRS1 Survey 

      Rest, Armin Wolfgang; Scolnic, D.; Foley, R. J.; Huber, M. E.; Chornock, R.; Narayan, Gautham Siddharth; Tonry, J. L.; Berger, Edo; Soderberg, Alicia M.; Stubbs, Christopher William; Riess, A.; Kirshner, Robert P.; Smartt, S. J.; Schlafly, E.; Rodney, S.; Botticella, M. T.; Brout, D.; Challis, P.; Czekala, Ian Philip; Drout, Maria Rebecca; Hudson, M. J.; Kotak, R.; Leibler, C.; Lunnan, Ragnhild; Marion, G. H.; McCrum, M.; Milisavljevic, D.; Pastorello, A.; Sanders, Nathan Edward; Smith, K.; Stafford, E.; Thilker, D.; Valenti, S.; Wood-Vasey, W. M.; Zheng, Z.; Burgett, W. S.; Chambers, K. C.; Denneau, L.; Draper, P. W.; Flewelling, H.; Hodapp, K. W.; Kaiser, N.; Kudritzki, R.-P.; Magnier, E. A.; Metcalfe, N.; Price, P. A.; Sweeney, W.; Wainscoat, R.; Waters, C. (IOP Publishing, 2014)
      We present griz P1 light curves of 146 spectroscopically confirmed Type Ia supernovae (SNe Ia; 0.03 < z < 0.65) discovered during the first 1.5 yr of the Pan-STARRS1 Medium Deep Survey. The Pan-STARRS1 natural photometric ...

    • Cosmological Constraints from Sunyaev-Zel'dovich-selected Clusters with X-Ray Observations in the First 178 deg2 of the South Pole Telescope Survey 

      Benson, B. A.; de Haan, T.; Dudley, J. P.; Reichardt, C. L.; Aird, K. A.; Andersson, K.; Armstrong, R.; Ashby, Matthew L N; Bautz, M.; Bayliss, Matthew; Bazin, G.; Bleem, L. E.; Brodwin, M.; Carlstrom, J. E.; Chang, C. L.; Cho, H. M.; Clocchiatti, A.; Crawford, T. M.; Crites, A. T.; Desai, S.; Dobbs, M. A.; Foley, R. J.; Forman, William R.; George, E. M.; Gladders, M. D.; Gonzalez, A. H.; Halverson, N. W.; Harrington, N.; High, F. W.; Holder, G. P.; Holzapfel, W. L.; Hoover, S.; Hrubes, J. D.; Jones, C.; Joy, M.; Keisler, R.; Knox, L.; Lee, A. T.; Leitch, E. M.; Liu, J.; Lueker, M.; Luong-Van, D.; Mantz, A.; Marrone, D. P.; McDonald, M.; McMahon, J. J.; Mehl, J.; Meyer, S. S.; Mocanu, L.; Mohr, J. J.; Montroy, T. E.; Murray, S. S.; Natoli, T.; Padin, S.; Plagge, T.; Pryke, C.; Rest, A.; Ruel, Jonathan; Ruhl, J. E.; Saliwanchik, B. R.; Saro, A.; Sayre, J. T.; Schaffer, K. K.; Shaw, L.; Shirokoff, E.; Song, J.; Spieler, H. G.; Stalder, Brian A; Staniszewski, Z.; Stark, Antony A.; Story, K.; Stubbs, Christopher William; Suhada, R.; van Engelen, A.; Vanderlinde, K.; Vieira, J. D.; Viklinin, Alexey A.; Williamson, R.; Zahn, O.; Zenteno, A. (American Astronomical Society, 2013)
      We use measurements from the South Pole Telescope (SPT) Sunyaev-Zel'dovich (SZ) cluster survey in combination with X-ray measurements to constrain cosmological parameters. We present a statistical method that fits for the ...

    • Dark-Matter-Induced Weak Equivalence Principle Violation 

      Carroll, Sean; Mantry, Sonny; Ramsey-Musolf, Michael; Stubbs, Christopher William (American Physical Society, 2009)
      A long-range fifth force coupled to dark matter can induce a coupling to ordinary matter if the dark matter interacts with Standard Model fields. We consider constraints on such a scenario from both astrophysical observations ...

    • A daytime measurement of the lunar contribution to the night sky brightness in LSST’s ugrizy bands–initial results 

      Coughlin, Michael William; Stubbs, Christopher William; Claver, Chuck (Springer Nature, 2016)
      We report measurements from which we determine the spatial structure of the lunar contribution to night sky brightness, taken at the LSST site on Cerro Pachon in Chile. We use an array of six photodiodes with filters that ...

    • Discovery of eight z~ 6 quasars from Pan-STARRS1 

      Bañados, E.; Venemans, B. P.; Morganson, E.; Decarli, R.; Walter, F.; Chambers, K. C.; Rix, H.-W.; Farina, E. P.; Fan, X.; Jiang, L.; McGreer, I.; De Rosa, G.; Simcoe, R.; Weiß, A.; Price, P. A.; Morgan, J. S.; Burgett, W. S.; Greiner, J.; Kaiser, N.; Kudritzki, R.-P.; Magnier, E. A.; Metcalfe, N.; Stubbs, Christopher William; Sweeney, W.; Tonry, J. L.; Wainscoat, R. J.; Waters, C. (IOP Publishing, 2014)
      High-redshift quasars are currently the only probes of the growth of supermassive black holes and potential tracers of structure evolution at early cosmic time. Here we present our candidate selection criteria from the ...

    • Displaying the heterogeneity of the SN 2002CX-like subclass of type IA supernovae with observations of the pan-starrs-1 discovered sn 2009ku 

      Narayan, G.; Foley, R. J.; Berger, Edo; Botticella, M. T.; Chornock, R; Huber, M. E.; Rest, A.; Scolnic, D.; Smartt, S.; Valenti, S.; Soderberg, Alicia M.; Burgett, W. S.; Chambers, K. C.; Flewelling, H. A.; Gates, G.; Grav, T.; Kaiser, N.; Kirshner, R. P.; Magnier, E. A.; Morgan, J. S.; Price, P. A.; Riess, A. G.; Stubbs, Christopher William; Sweeney, W. E.; Tonry, J. L.; Wainscoat, R. J.; Waters, C.; Wood-Vasey, W. M. (IOP Publishing, 2011)
      SN 2009ku, discovered by Pan-STARRS-1, is a Type Ia supernova (SN Ia), and a member of the distinct SN 2002cx-like class of SNe Ia. Its light curves are similar to the prototypical SN 2002cx, but are slightly broader and ...

    • Electro-optical testing of fully depleted CCD image sensors for the Large Synoptic Survey Telescope camera 

      Doherty, Peter Edward; Antilogus, Pierre; Astier, Pierre; Chiang, James; Gilmore, D. Kirk; Guyonnet, Augustin; Huang, Dajun; Kelly, Heather; Kotov, Ivan; Kubanek, Petr; Nomerotski, Andrei; O’Connor, Paul; Rasmussen, Andrew; Riot, Vincent J.; Stubbs, Christopher William; Takacs, Peter; Tyson, J. Anthony; Vetter, Kurt (Society of Photo-optical Instrumentation Engineers, 2014)
      The LSST Camera science sensor array will incorporate 189 large format Charge Coupled Device (CCD) image sensors. Each CCD will include over 16 million pixels and will be divided into 16 equally sized segments and each ...

    • Equivalence Principle Implications of Modified Gravity Models 

      Hui, Lam; Nicolis, Alberto; Stubbs, Christopher William (American Physical Society, 2009)
      Theories that attempt to explain the observed cosmic acceleration by modifying general relativity all introduce a new scalar degree of freedom that is active on large scales, but is screened on small scales to match ...

    • First Results from Pan-STARRS1: Faint, High Proper Motion White Dwarfs in the Medium-Deep Fields 

      Tonry, J. L.; Stubbs, Christopher William; Kilic, Muhlis; Flewelling, H. A.; Deacon, N. R.; Chornock, R; Berger, Edo; Burgett, W. S.; Chambers, K. C.; Kaiser, N.; Kudritzki, R.-P.; Hodapp, K. W.; Magnier, E. A.; Morgan, J. S.; Price, P. A.; Wainscoat, R. J. (IOP Publishing, 2011)
      The Pan-STARRS1 survey has obtained multi-epoch imaging in five bands (Pan-STARRS1 gP1, rP1, iP1, zP1, and yP1) on twelve “Medium Deep Fields”, each of which spans a 3.3 degree circle. For the period between Apr 2009 and ...

    • A framework for modeling the detailed optical response of thick, multiple segment, large format sensors for precision astronomy applications 

      Rasmussen, Andrew; Antilogus, Pierre; Astier, Pierre; Claver, Chuck; Doherty, Peter; Dubois-Felsmann, Gregory; Gilmore, Kirk; Kahn, Steven; Kotov, Ivan; Lupton, Robert; O, Paul; Nomerotski, Andrei; Ritz, Steve; Stubbs, Christopher William (SPIE, 2014)
      Near-future astronomical survey experiments, such as LSST, possess system requirements of unprecedented fidelity that span photometry, astrometry and shape transfer. Some of these requirements flow directly to the array ...

    • Galaxy Clusters Discovered via the Sunyaev-Zel'dovich Effect in the 2500-square-degree SPT-SZ survey 

      Bleem, L. E.; Stalder, Brian A; de Haan, T.; Aird, K. A.; Allen, S. W.; Applegate, D. E.; Ashby, Matthew L N; Bautz, M.; Bayliss, Matthew; Benson, B. A.; Bocquet, S.; Brodwin, M.; Carlstrom, J. E.; Chang, C. L.; Chiu, I.; Cho, H. M.; Clocchiatti, A.; Crawford, T. M.; Crites, A. T.; Desai, S.; Dietrich, J. P.; Dobbs, M. A.; Foley, R. J.; Forman, William R.; George, E. M.; Gladders, M. D.; Gonzalez, A. H.; Halverson, N. W.; Hennig, C.; Hoekstra, H.; Holder, G. P.; Holzapfel, W. L.; Hrubes, J. D.; Jones, C.; Keisler, R.; Knox, L.; Lee, A. T.; Leitch, E. M.; Liu, J.; Lueker, M.; Luong-Van, D.; Mantz, A.; Marrone, D. P.; McDonald, M.; McMahon, J. J.; Meyer, S. S.; Mocanu, L.; Mohr, J. J.; Murray, S. S.; Padin, S.; Pryke, C.; Reichardt, C. L.; Rest, Armin Wolfgang; Ruel, J.; Ruhl, J. E.; Saliwanchik, B. R.; Saro, A.; Sayre, J. T.; Schaffer, K. K.; Schrabback, T.; Shirokoff, E.; Song, J.; Spieler, H. G.; Stanford, S. A.; Staniszewski, Z.; Stark, Antony A.; Story, K. T.; Stubbs, Christopher William; Vanderlinde, K.; Vieira, J. D.; Vikhlinin, Alexey A.; Williamson, R.; Zahn, O.; Zenteno, A. (IOP Publishing, 2015)
      We present a catalog of galaxy clusters selected via their Sunyaev-Zel'dovich (SZ) effect signature from 2500 deg2 of South Pole Telescope (SPT) data. This work represents the complete sample of clusters detected at high ...

    • Galaxy clusters discovered via the Sunyaev-Zel'dovich effect in the first 720 square degrees of the South Pole Telescope survey 

      Reichardt, C. L.; Stalder, B.; Bleem, L. E.; Montroy, T. E.; Aird, K. A.; Andersson, K.; Armstrong, R.; Ashby, M. L. N.; Bautz, M.; Bayliss, Matthew; Bazin, G.; Benson, B. A.; Brodwin, M.; Carlstrom, J. E.; Chang, C. L.; Cho, H. M.; Clocchiatti, A.; Crawford, T. M.; Crites, A. T.; de Haan, T.; Desai, S.; Dobbs, M. A.; Dudley, J. P.; Foley, R. J.; Forman, W. R.; George, E. M.; Gladders, M. D.; Gonzalez, A. H.; Halverson, N. W.; Harrington, N. L.; High, F. W.; Holder, G. P.; Holzapfel, W. L.; Hoover, S.; Hrubes, J. D.; Jones, C.; Joy, M.; Keisler, R.; Knox, L.; Lee, A. T.; Leitch, E. M.; Liu, J.; Lueker, M.; Luong-Van, D.; Mantz, A.; Marrone, D. P.; McDonald, M.; McMahon, J. J.; Mehl, J.; Meyer, S. S.; Mocanu, L.; Mohr, J. J.; Murray, S. S.; Natoli, T.; Padin, S.; Plagge, T.; Pryke, C.; Rest, A.; Ruel, J.; Ruhl, J. E.; Saliwanchik, B. R.; Saro, A.; Sayre, J. T.; Schaffer, K. K.; Shaw, L.; Shirokoff, E.; Song, J.; Spieler, H. G.; Staniszewski, Z.; Stark, A. A.; Story, K.; Stubbs, Christopher William; Suhada, R.; van Engelen, A.; Vanderlinde, K.; Vieira, J. D.; Vikhlinin, A.; Williamson, R.; Zahn, O.; Zenteno, A. (American Astronomical Society, 2013)
      We present a catalog of galaxy cluster candidates, selected through their Sunyaev-Zel'dovich (SZ) effect signature in the first 720 deg2 of the South Pole Telescope (SPT) survey. This area was mapped with the SPT in the ...

    • Galex and Pan-Starrs1 Discovery of SN IIP 2010 aq: The First Few Days After Shock Breakout in a Red Supergiant Star 

      Gezari, S.; Rest, A.; Huber, M. E.; Narayan, G.; Forster, K.; Neill, J. D.; Martin, D. C.; Valenti, S.; Smartt, S. J.; Chornock, R; Berger, Edo; Soderberg, Alicia M.; Mattila, S.; Kankare, E.; Burgett, W. S.; Chambers, K. C.; Dombeck, T.; Grav, T.; Heasley, J. N.; Hodapp, K. W.; Jedicke, R.; Kaiser, N.; Kudritzki, R.; Luppino, G.; Lupton, R. H.; Magnier, E. A.; Monet, D. G.; Morgan, J. S.; Onaka, P. M.; Price, P. A.; Rhoads, P. H.; Siegmund, W. A.; Stubbs, Christopher William; Tonry, J. L.; Wainscoat, R. J.; Waterson, M. F.; Wynn-Williams, C. G. (IOP Publishing, 2010)
      We present the early UV and optical light curve of Type IIP supernova (SN) 2010aq at z = 0.0862, and compare it to analytical models for thermal emission following SN shock breakout in a red supergiant star. SN 2010aq was ...

    • GALEX Detection of Shock Breakout in Type IIP Supernova PS1-13arp: Implications for the Progenitor Star Wind 

      Gezari, S.; Jones, D. O.; Sanders, Nathan Edward; Soderberg, Alicia M.; Hung, T.; Heinis, S.; Smartt, S. J.; Rest, A.; Scolnic, D.; Chornock, R; Berger, Edo; Foley, R. J.; Huber, M. E.; Price, P.; Stubbs, Christopher William; Riess, A. G.; Kirshner, Robert P.; Smith, K.; Wood-Vasey, W. M.; Schiminovich, D.; Martin, D. C.; Burgett, W. S.; Chambers, K. C.; Flewelling, H.; Kaiser, N.; Tonry, J. L.; Wainscoat, R. (IOP Publishing, 2015)
      We present the GALEX detection of a UV burst at the time of explosion of an optically normal supernova (SN) IIP (PS1-13arp) from the Pan-STARRS1 survey at z = 0.1665. The temperature and luminosity of the UV burst match ...

    • The guider and wavefront curvature sensor subsystem for the Large Synoptic Survey Telescope 

      Riot, Vincent J.; Arndt, Kirk; Claver, Chuck; Doherty, Peter E.; Gilmore, D. K.; Hascall, Patrick A.; Herrmann, Sven; Kotov, Ivan; O, Paul; Sebag, Jacques; Stubbs, Christopher William; Warner, Michael (Society of Photo-Optical Instrumentation Engineers (SPIE), 2014)
      The Large Synoptic Survey Telescope instrument include four guiding and wavefront sensing subsystems called corner raft subsystems, in addition to the main science array of 189 4K x 4K CCDs. These four subsystems are placed ...