Search Results - "Chornock, R."

PS16dtm: A Tidal Disruption Event in a Narrow-line Seyfert 1 Galaxy by Blanchard, P. K., Nicholl, M., Berger, E., Guillochon, J., Margutti, R., Chornock, R., Alexander, K. D., Leja, J., Drout, M. R.

“…We present observations of PS16dtm (also known as SN 2016ezh), a luminous transient that occurred at the nucleus of a narrow-line Seyfert 1 galaxy hosting a…”
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The Complete Light-curve Sample of Spectroscopically Confirmed SNe Ia from Pan-STARRS1 and Cosmological Constraints from the Combined Pantheon Sample by Scolnic, D. M., Jones, D. O., Rest, A., Pan, Y. C., Chornock, R., Foley, R. J., Huber, M. E., Kessler, R., Narayan, G., Riess, A. G., Rodney, S., Berger, E., Brout, D. J., Challis, P. J., Drout, M., Finkbeiner, D., Lunnan, R., Kirshner, R. P., Sanders, N. E., Schlafly, E., Smartt, S., Stubbs, C. W., Tonry, J., Wood-Vasey, W. M., Foley, M., Hand, J., Johnson, E., Burgett, W. S., Chambers, K. C., Draper, P. W., Hodapp, K. W., Kaiser, N., Kudritzki, R. P., Magnier, E. A., Metcalfe, N., Bresolin, F., Gall, E., Kotak, R., McCrum, M., Smith, K. W.

“…We present optical light curves, redshifts, and classifications for spectroscopically confirmed Type Ia supernovae (SNe Ia) discovered by the Pan-STARRS1 (PS1)…”
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Impact of Systematic Modeling Uncertainties on Kilonova Property Estimation by Brethauer, D., Kasen, D., Margutti, R., Chornock, R.

“…Abstract The precise atomic structure and therefore the wavelength-dependent opacities of lanthanides are highly uncertain. This uncertainty introduces…”
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Swift J1112.2−8238: a candidate relativistic tidal disruption flare by Brown, G. C., Levan, A. J., Stanway, E. R., Tanvir, N. R., Cenko, S. B., Berger, E., Chornock, R., Cucchiaria, A.

“…We present observations of Swift J1112.2−8238, and identify it as a candidate relativistic tidal disruption flare. The outburst was first detected by…”
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Radio Observations of an Ordinary Outflow from the Tidal Disruption Event AT2019dsg by Cendes, Y., Alexander, K. D., Berger, E., Eftekhari, T., Williams, P. K. G., Chornock, R.

“…Abstract We present detailed radio observations of the tidal disruption event (TDE) AT2019dsg, obtained with the Karl G. Jansky Very Large Array (VLA) and the…”
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COSMOLOGICAL CONSTRAINTS FROM MEASUREMENTS OF TYPE Ia SUPERNOVAE DISCOVERED DURING THE FIRST 1.5 yr OF THE Pan-STARRS1 SURVEY by Rest, A, SCOLNIC, D, Foley, R J, Huber, M E, CHORNOCK, R, Narayan, G, Tonry, J L, Berger, E, Soderberg, A M, Stubbs, C W

“…We present griz sub(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…”
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Photometric and spectroscopic properties of Type II-P supernovae by Faran, T., Poznanski, D., Filippenko, A. V., Chornock, R., Foley, R. J., Ganeshalingam, M., Leonard, D. C., Li, W., Modjaz, M., Nakar, E., Serduke, F. J. D., Silverman, J. M.

“…We study a sample of 23 Type II plateau supernovae (SNe II-P), all observed with the same set of instruments. Analysis of their photometric evolution confirms…”
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Evidence for X-Ray Emission in Excess to the Jet-afterglow Decay 3.5 yr after the Binary Neutron Star Merger GW 170817: A New Emission Component by Hajela, A., Margutti, R., Bright, J. S., Alexander, K. D., Metzger, B. D., Nedora, V., Kathirgamaraju, A., Margalit, B., Radice, D., Guidorzi, C., Berger, E., MacFadyen, A., Giannios, D., Chornock, R., Heywood, I., Sironi, L., Gottlieb, O., Coppejans, D., Laskar, T., Cendes, Y., Duran, R. Barniol, Eftekhari, T., Fong, W., McDowell, A., Nicholl, M., Xie, X., Zrake, J., Bernuzzi, S., Broekgaarden, F. S., Kilpatrick, C. D., Terreran, G., Villar, V. A., Blanchard, P. K., Gomez, S., Hosseinzadeh, G., Matthews, D. J., Rastinejad, J. C.

“…Abstract For the first ∼3 yrs after the binary neutron star merger event GW 170817, the radio and X-ray radiation has been dominated by emission from a…”
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Hydrogen-poor Superluminous Supernovae from the Pan-STARRS1 Medium Deep Survey by Lunnan, R., Chornock, R., Berger, E., Jones, D. O., Rest, A., Czekala, I., Dittmann, J., Drout, M. R., Foley, R. J., Fong, W., Kirshner, R. P., Laskar, T., Leibler, C. N., Margutti, R., Milisavljevic, D., Narayan, G., Pan, Y.-C., Riess, A. G., Roth, K. C., Sanders, N. E., Scolnic, D., Smartt, S. J., Smith, K. W., Chambers, K. C., Draper, P. W., Flewelling, H., Huber, M. E., Kaiser, N., Kudritzki, R. P., Magnier, E. A., Metcalfe, N., Wainscoat, R. J., Waters, C., Willman, M.

“…We present light curves and classification spectra of 17 hydrogen-poor superluminous supernovae (SLSNe) from the Pan-STARRS1 Medium Deep Survey (PS1 MDS). Our…”
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SHORT GRB 130603B: DISCOVERY OF A JET BREAK IN THE OPTICAL AND RADIO AFTERGLOWS, AND A MYSTERIOUS LATE-TIME X-RAY EXCESS by Fong, W, Berger, E, Metzger, B D, Margutti, R, CHORNOCK, R, Migliori, G, Foley, R J, Zauderer, B A, Lunnan, R, Laskar, T

“…We present radio, optical/NIR, and X-ray observations of the afterglow of the short-duration Swift and Konus-Wind GRB 130603B, and uncover a break in the radio…”
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A Mildly Relativistic Outflow Launched Two Years after Disruption in Tidal Disruption Event AT2018hyz by Cendes, Y., Berger, E., Alexander, K. D., Gomez, S., Hajela, A., Chornock, R., Laskar, T., Margutti, R., Metzger, B., Bietenholz, M. F., Brethauer, D., Wieringa, M. H.

“…Abstract We present late-time radio/millimeter (as well as optical/UV and X-ray) detections of tidal disruption event (TDE) AT2018hyz, spanning 970–1300 d…”
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The tidal disruption event AT2017eqx: spectroscopic evolution from hydrogen rich to poor suggests an atmosphere and outflow by Nicholl, M, Blanchard, P K, Berger, E, Gomez, S, Margutti, R, Alexander, K D, Guillochon, J, Leja, J, Chornock, R, Snios, B, Auchettl, K, Bruce, A G, Challis, P, D’Orazio, D J, Drout, M R, Eftekhari, T, Foley, R J, Graur, O, Kilpatrick, C D, Lawrence, A, Piro, A L, Rojas-Bravo, C, Ross, N P, Short, P, Smartt, S J, Smith, K W, Stalder, B

“…ABSTRACT We present and analyse a new tidal disruption event (TDE), AT2017eqx at redshift z = 0.1089, discovered by Pan-STARRS and ATLAS. The position of the…”
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Results from a Systematic Survey of X-Ray Emission from Hydrogen-poor Superluminous SNe by Margutti, R., Chornock, R., Metzger, B. D., Coppejans, D. L., Guidorzi, C., Migliori, G., Milisavljevic, D., Berger, E., Nicholl, M., Zauderer, B. A., Lunnan, R., Kamble, A., Drout, M., Modjaz, M.

“…We present the results from a sensitive X-ray survey of 26 nearby hydrogen-poor superluminous supernovae (SLSNe-I) with Swift, Chandra, and XMM. This data set…”
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The tidal disruption event AT 2018hyz – I. Double-peaked emission lines and a flat Balmer decrement by Short, P, Nicholl, M, Lawrence, A, Gomez, S, Arcavi, I, Wevers, T, Leloudas, G, Schulze, S, Anderson, J P, Berger, E, Blanchard, P K, Burke, J, Segura, N Castro, Charalampopoulos, P, Chornock, R, Galbany, L, Gromadzki, M, Herzog, L J, Hiramatsu, D, Horne, Keith, Hosseinzadeh, G, Howell, D Andrew, Ihanec, N, Inserra, C, Kankare, E, Maguire, K, McCully, C, Müller Bravo, T E, Onori, F, Sollerman, J, Young, D R

“…ABSTRACT We present results from spectroscopic observations of AT 2018hyz, a transient discovered by the All-Sky Automated Survey for Supernova survey at an…”
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Supernova Photometric Classification Pipelines Trained on Spectroscopically Classified Supernovae from the Pan-STARRS1 Medium-deep Survey by Villar, V. A., Berger, E., Miller, G., Chornock, R., Rest, A., Jones, D. O., Drout, M. R., Foley, R. J., Kirshner, R., Lunnan, R., Magnier, E., Milisavljevic, D., Sanders, N., Scolnic, D.

“…Photometric classification of supernovae (SNe) is imperative as recent and upcoming optical time-domain surveys, such as the Large Synoptic Survey Telescope…”
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The Jet Opening Angle and Event Rate Distributions of Short Gamma-Ray Bursts from Late-time X-Ray Afterglows by Rouco Escorial, A., Fong, W., Berger, E., Laskar, T., Margutti, R., Schroeder, G., Rastinejad, J. C., Cornish, D., Popp, S., Lally, M., Nugent, A. E., Paterson, K., Metzger, B. D., Chornock, R., Alexander, K., Cendes, Y., Eftekhari, T.

“…Abstract We present a comprehensive study of 29 short gamma-ray bursts (SGRBs) observed ≈0.8−60 days postburst using Chandra and XMM-Newton. We provide the…”
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THE AFTERGLOW AND EARLY-TYPE HOST GALAXY OF THE SHORT GRB 150101B AT z = 0.1343 by Fong, W., Margutti, R., Chornock, R., Berger, E., Shappee, B. J., Levan, A. J., Tanvir, N. R., Smith, N., Milne, P. A., Laskar, T., Fox, D. B., Lunnan, R., Blanchard, P. K., Hjorth, J., Wiersema, K., van der Horst, A. J., Zaritsky, D.

“…ABSTRACT We present the discovery of the X-ray and optical afterglows of the short-duration GRB 150101B, pinpointing the event to an early-type host galaxy at…”
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The Type I Superluminous Supernova PS16aqv: Lightcurve Complexity and Deep Limits on Radioactive Ejecta in a Fast Event by Blanchard, P. K., Nicholl, M., Berger, E., Chornock, R., Margutti, R., Milisavljevic, D., Fong, W., MacLeod, C., Bhirombhakdi, K.

“…We present UV/optical observations of PS16aqv (SN 2016ard), a fast-evolving Type I superluminous supernova (SLSN-I) that reached a peak absolute magnitude of…”
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X-Rays from the Location of the Double-humped Transient ASASSN-15lh by Margutti, R., Metzger, B. D., Chornock, R., Milisavljevic, D., Berger, E., Blanchard, P. K., Guidorzi, C., Migliori, G., Kamble, A., Lunnan, R., Nicholl, M., Coppejans, D. L., Dall'Osso, S., Drout, M. R., Perna, R., Sbarufatti, B.

“…We present the detection of persistent soft X-ray radiation with -1042 erg s-1 at the location of the extremely luminous, double-humped transient ASASSN-15lh…”
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THE ULTRAVIOLET-BRIGHT, SLOWLY DECLINING TRANSIENT PS1-11af AS A PARTIAL TIDAL DISRUPTION EVENT by CHORNOCK, R, Berger, E, Gezari, S, Zauderer, B A, Rest, A, CHOMIUK, L, Kamble, A, Soderberg, A M, CZEKALA, I, Dittmann, J

“…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…”
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