Fong, Wen-fai, Berger, Edo, Fox, Derek B.
[Abridged] We present the first comprehensive analysis of Hubble Space Telescope (HST) observations of short-duration gamma-ray burst (GRB) host galaxies. These observations allow us to characterize...
Could the GRB-Supernovae GRB 031203 and XRF 060218 be Cosmic Twins? (2009)
The gamma-ray burst (GRB) / X-ray flash (XRF) events GRB 031203, discovered by INTEGRAL, and XRF 060218, discovered by Swift, represent two of only five GRB-SNe with optical spectroscopic...
Chandra Observations of 1RXS J141256.0+792204 (Calvera) (2009)
Shevchuk, Andrew S. H., Fox, Derek B., Rutledge, Robert E.
We report the results of a 30 ks Chandra ACIS-S observation of the isolated compact object 1RXS J141256.0+792204 (Calvera). The X-ray spectrum is adequately described by an absorbed neutron star...
Exploring the Optical Transient Sky with the Palomar Transient Factory (2009)
Rau, Arne, Kulkarni, Shrinivas R., Law, Nicholas M., Bloom, Joshua S., Ciardi, David, Djorgovski, George S., ...
The Palomar Transient Factory (PTF) is a wide-field experiment designed to investigate the optical transient and variable sky on time scales from minutes to years. PTF uses the CFH12k mosaic camera,...
Leonard, Douglas C., Gal-Yam, Avishay, Fox, Derek B., Cameron, P. B., Johansson, Erik M., Kraus, Adam L., ...
We analyze two pre-supernova (SN) and three post-SN high-resolution images of the site of the Type II-Plateau supernova SN 2006my in an effort to either detect the progenitor star or to constrain its...
Leonard, Douglas C., Gal-Yam, Avishay, Fox, Derek B., Cameron, P. B., Johansson, Erik M., Kraus, Adam L., ...
We analyze two pre-supernova (SN) and three post-SN high-resolution images of the site of the Type II-Plateau supernova SN 2006my in an effort to either detect the progenitor star or to constrain its...
A comprehensive study of GRB 070125, a most energetic gamma-ray burst (2008)
Chandra, Poonam, Cenko, S. Bradley, Frail, Dale A., Chevalier, Roger A., Macquart, Jean-Pierre, Kulkarni, Shri R., ...
We present a comprehensive multiwavelength analysis of the bright, long-duration gamma-ray burst GRB 070125, comprised of observations in gamma-ray, X-ray, optical, millimeter, and centimeter wave...
A comprehensive study of GRB 070125, a most energetic gamma-ray burst (2008)
Chandra, Poonam, Cenko, S. Bradley, Frail, Dale A., Chevalier, Roger A., Macquart, Jean-Pierre, Kulkarni, Shri R., ...
We present a comprehensive multiwavelength analysis of the bright, long-duration gamma-ray burst GRB 070125, comprised of observations in gamma-ray, X-ray, optical, millimeter, and centimeter wave...
Derek B. Fox, Jill K. Luther, Donna Whitener
Tears in the avascular portion of the knee meniscus are commonplace and are frequently incapable of healing spontaneously. Delivery of synovial cells from the meniscal periphery to avascular injuries...
GRB 070125: The first long-duration gamma-ray burst in a halo environment (2008)
Cenko, S. Bradley, Fox, Derek B., Penprase, Brian E., Cucchiara, Antonio, Price, Paul A., Berger, Edo, ...
We present the discovery and high signal-to-noise ratio spectroscopic observations of the optical afterglow of the long-duration gamma-ray burst GRB 070125. Unlike all previously observed...
A comprehensive study of GRB 070125, a most energetic gamma ray burst (2008)
Chandra, Poonam, Cenko, S. Bradley, Frail, Dale, Chevalier, Roger, Macquart, Jean-Pierre, Kulkarni, Shri, ...
We present a comprehensive multiwavelength analysis of the bright, long duration gamma-ray burst GRB 070125, comprised of observations in $\gamma$-ray, X-ray, optical, millimeter and centimeter...
Cenko, S. Bradley, Berger, Edo, Nakar, Ehud, Kasliwal, Mansi M., Cucchiara, Antonio, Kulkarni, Shri R., ...
We present optical spectra of the host galaxies of the short-duration gamma-ray burst GRB 070429B and the likely short-duration with extended emission GRB 070714B. In both cases, we find a single...
Stoker, Aaron M, Cook, James L, Kuroki, Keiichi, Fox, Derek B
Abstract Background Osteoarthritis (OA) is a progressive and debilitating disease that often develops from a focal lesion and may take years to clinically manifest to a complete loss of joint...
Observational Limits on X-ray Bursts from RRAT J1911+00 (2006)
Hoffman, Kelsey, Rutledge, Robert E., Fox, Derek B., Gal-Yam, Avishay, Cenko, S. Bradley
(abridged) The high radio-flux brightness temperature of the recently discovered class of sources known as Rotating RAdio Transients (RRATs) motivates detailed study in the X-ray band. We describe...
Shin, Min-Su, Berger, Edo, Penprase, Bryan E., Fox, Derek B., Price, Paul A., Kulkarni, Shri R., ...
We present a high-resolution Keck/ESI spectrum of GRB, which exhibits four absorption systems at z=1.04329, 1.95260, 1.96337, and 1.98691. The two highest redshift systems, separated by about 2400...
The Automated Palomar 60-Inch Telescope (2006)
Cenko, S. Bradley, Fox, Derek B., Moon, Dae-Sik, Harrison, Fiona A., Kulkarni, S. R., Henning, John R., ...
We have converted the Palomar 60-inch telescope (P60) from a classical night assistant-operated telescope to a fully robotic facility. The automated system, which has been operational since September...
A non-spherical core in the explosion of supernova SN 2004dj (2006)
Leonard, Douglas C., Filippenko, Alexei V., Ganeshalingam, Mohan, Serduke, Franklin J. D., Li, Weidong, Swift, Brandon J., ...
An important and perhaps critical clue to the mechanism driving the explosion of massive stars as supernovae is provided by the accumulating evidence for asymmetry in the explosion. Indirect evidence...
Nakar, Ehud, Gal-Yam, Avishay, Fox, Derek B.
The recent discovery of the first four afterglows of short-hard gamma-ray bursts (SHBs), suggests that they typically result from long-lived progenitor systems. The most popular progenitor model...
The distances of short-hard GRBs and the SGR connection (2005)
Nakar, Ehud, Gal-Yam, Avishay, Piran, Tsvi, Fox, Derek B.
We present a search for nearby (D
Rajala, Anne M., Fox, Derek B., Gal-Yam, Avishay, Leonard, Douglas C., Soderberg, Alicia M., Kulkarni, S. R., ...
We present photometric typing analyses of three young supernovae observed with the Robotic 60-inch Telescope at Palomar Observatory (P60). This represents the first time that such photo-typing has...
A ROSAT Bright Source Catalog Survey with the Swift Satellite (2004)
We consider the prospects for a complete survey of the 18,811 sources of the ROSAT All-Sky Survey Bright Source Catalog (BSC) with NASA's Swift gamma-ray burst (GRB) mission. By observing each BSC...
Re-Analysis of Polarization in the Gamma-ray flux of GRB 021206 (2003)
Rutledge, Robert E., Fox, Derek B.
(abridged) A previous analysis of the Reuven Ramaty High Energy Solar Spectroscopic Imager observation of GRB 021206 found that the gamma-ray flux was 80+/-20 polarized. We re-examine this data and...