Browsing by Author "Fong, W"

Now showing items 1-11 of 11

    • The Afterglow and Environment of the Short Grb 111117a 

      Margutti, R; Berger, Edo; Fong, W; Zauderer, B; Cenko, S. B.; Greiner, J.; Soderberg, Alicia M.; Cucchiara, A.; Rossi, A.; Klose, S.; Schmidl, S.; Milisavljevic, Danny; Sanders, Nathan Edward (IOP Publishing, 2012)
      We present multi-wavelength observations of the afterglow of the short GRB 111117A, and follow-up observations of its host galaxy. From rapid optical and radio observations we place limits of r & 25.5 mag at δt ≈ 0.55 d ...

    • Demographics of the Galaxies Hosting Short-Duration Gamma-Ray Bursts 

      Fong, W; Berger, Edo; Chornock, R; Margutti, R; Levan, A. J.; Tanvir, N. R.; Tunnicliffe, R. L.; Czekala, I.; Fox, D. B.; Perley, D. A.; Cenko, S. B.; Zauderer, B. A.; Laskar, T.; Persson, S. E.; Monson, A. J.; Kelson, D. D.; Birk, C.; Murphy, D.; Servillat, M.; Anglada, G. (IOP Publishing, 2013)
      We present observations of the afterglows and host galaxies of three short-duration gamma-ray bursts (GRBs): 100625A, 101219A and 110112A. We find that GRB 100625A occurred in a z = 0.452 early-type galaxy with a stellar ...

    • A Jet Break in the X-Ray Light Curve of Short Grb 111020a: Implications for Energetics and Rates 

      Fong, W; Berger, Edo; Margutti, R; Zauderer, B; Troja, E.; Czekala, Ian Philip; Chornock, R; Gehrels, N.; Sakamoto, T.; Fox, D. B.; Podsiadlowski, P. (IOP Publishing, 2012)
      We present broad-band observations of the afterglow and environment of the short GRB 111020A. An extensive X-ray light curve from Swift/XRT, XMM-Newton and Chandra, spanning ∼ 100 seconds to 10 days after the burst, reveals ...

    • The Locations of Short Gamma-Ray Bursts as Evidence for Compact Object Binary Progenitors 

      Fong, W; Berger, Edo (IOP Publishing, 2013)
      We present a detailed investigation of Hubble Space Telescope rest-frame UV/optical observations of 22 short gamma-ray burst (GRB) host galaxies and sub-galactic environments. Utilizing the high angular resolution and depth ...

    • The optical afterglow and z = 0.92 early-type host galaxy of the short GRB 100117A 

      Fong, W; Berger, Edo; Chornock, R; Tanvir, N. R.; Levan, A. J.; Fruchter, A. S.; Graham, J. F.; Cucchiara, A.; Fox, D. B. (IOP Publishing, 2011)
      We present the discovery of the optical afterglow and early-type host galaxy of the short-duration GRB 100117A. The faint afterglow is detected 8.3 hr after the burst with rAB = 25.46 ± 0.20 mag. Follow-up optical and ...

    • PS1-10afx at z = 1.388: Pan-STARRS1 Discovery of a New Type of Superluminous Supernova 

      Chornock, Ryan T.; Berger, Edo; Rest, A.; Milisavljevic, Danny; Lunnan, Ragnhild; Foley, R. J.; Soderberg, Alicia M.; Smartt, S. J.; Burgasser, A. J.; Challis, Peter M.; Chomiuk, L.; Czekala, Ian Philip; Drout, Maria Rebecca; Fong, Wen-fai; Huber, M. E.; Kirshner, Robert P.; Leibler, C.; McLeod, Brian A.; Marion, G. H.; Narayan, Gautham Siddharth; Riess, A. G.; Roth, K. C.; Sanders, Nathan Edward; Scolnic, D.; Smith, K.; Stubbs, Christopher William; Tonry, J. L.; Valenti, S.; Burgett, W. S.; Chambers, K. C.; Hodapp, K. W.; Kaiser, N.; Kudritzki, R.-P.; Magnier, E. A.; Price, P. A. (American Astronomical Society, 2013)
      We present the Pan-STARRS1 discovery of PS1-10afx, a unique hydrogen-deficient superluminous supernova (SLSN) at redshift z = 1.388. The light curve peaked at z P1 = 21.7 mag, making PS1-10afx comparable to the most luminous ...

    • An R-Process Kilonova Associated With the Short-Hard Grb 130603b 

      Berger, Edo; Fong, W; Chornock, R (IOP Publishing, 2013)
      We present ground-based optical and Hubble Space Telescope optical and near-IR observations of the shorthard GRB 130603B at z = 0.356, which demonstrate the presence of excess near-IR emission matching the expected brightness ...

    • Rapidly evolving and luminous transients from Pan-STARRS1 

      Drout, Maria Rebecca; Chornock, R; Soderberg, Alicia M.; Sanders, Nathan Edward; McKinnon, R.; Rest, Armin Wolfgang; Foley, R. J.; Milisavljevic, Danny; Margutti, R; Berger, Edo; Calkins, Michael Lee; Fong, W; Gezari, S.; Huber, M. E.; Kankare, E.; Kirshner, Robert P.; Leibler, C.; Lunnan, R; Mattila, S.; Marion, G. H.; Narayan, Gautham Siddharth; Riess, A. G.; Roth, K. C.; Scolnic, D.; Smartt, S. J.; Tonry, J. L.; Burgett, W. S.; Chambers, K. C.; Hodapp, K. W.; Jedicke, R.; Kaiser, N.; Magnier, E. A.; Metcalfe, N.; Morgan, J. S.; Price, P. A.; Waters, C. (IOP Publishing, 2014)
      In the past decade, several rapidly evolving transients have been discovered whose timescales and luminosities are not easily explained by traditional supernovae (SNe) models. The sample size of these objects has remained ...

    • The Ultraviolet-Bright, Slowly Declining Transient PS1-11af as a Partial Tidal Disruption Event. 

      Chornock, R.; Berger, Edo; Gezari, S.; Zauderer, Bevin Ashley; Rest, A.; Chomiuk, L.; Kamble, Atish; Soderberg, Alicia M.; Czekala, Ian Philip; Dittmann, Jason Adam; Drout, Maria Rebecca; Foley, R. J.; Fong, W; Huber, M. E.; Kirshner, Robert P.; Lawrence, A.; Lunnan, Ragnhild; Marion, G. H.; Narayan, Gautham Siddharth; Riess, A. G.; Roth, K. C.; Sanders, Nathan Edward; Scolnic, D.; Smartt, S. J.; Smith, K.; Stubbs, Christopher William; Tonry, J. L.; Burgett, W. S.; Chambers, K. C.; Flewelling, H.; Hodapp, K. W.; Kaiser, N.; Magnier, E. A.; Martin, D. C.; Neill, J. D.; Price, P. A.; Wainscoat, R. (IOP Publishing, 2013)
      We present the Pan-STARRS1 discovery of the long-lived and blue transient PS1-11af, which was also detected by Galaxy Evolution Explorer with coordinated observations in the near-ultraviolet (NUV) band. PS1-11af is associated ...

    • Unveiling the Progenitors of Short-duration Gamma-ray Bursts 

      Fong, Wen-fai (2014-06-06)
      Gamma-ray bursts (GRBs) are relativistic explosions which originate at cosmological distances, and are among the most luminous transients in the universe. Following the prompt gamma-ray emission, a fading synchrotron ...

    • Zooming in on the progenitors of superluminous supernovae with the HST 

      Lunnan, R; Chornock, R; Berger, Edo; Rest, A.; Fong, W; Scolnic, D.; Jones, D. O.; Soderberg, Alicia M.; Challis, Peter M.; Drout, Maria Rebecca; Foley, R. J.; Huber, M. E.; Kirshner, Robert P.; Leibler, C.; Marion, G. H.; McCrum, M.; Milisavljevic, Danny; Narayan, Gautham Siddharth; Sanders, Nathan Edward; Smartt, S. J.; Smith, K. W.; Tonry, J. L.; Burgett, W. S.; Chambers, K. C.; Flewelling, H.; Kudritzki, R.-P.; Wainscoat, R. J.; Waters, C. (IOP Publishing, 2015)
      We present Hubble Space Telescope (HST) rest-frame ultraviolet imaging of the host galaxies of 16 hydrogen-poor superluminous supernovae (SLSNe), including 11 events from the Pan-STARRS Medium Deep Survey. Taking advantage ...