Search Results - "Piro, A. L."

Swope Supernova Survey 2017a (SSS17a), the optical counterpart to a gravitational wave source by Coulter, D. A., Foley, R. J., Kilpatrick, C. D., Drout, M. R., Piro, A. L., Shappee, B. J., Siebert, M. R., Simon, J. D., Ulloa, N., Kasen, D., Madore, B. F., Murguia-Berthier, A., Pan, Y.-C., Prochaska, J. X., Ramirez-Ruiz, E., Rest, A., Rojas-Bravo, C.

“…On 17 August 2017, the Laser Interferometer Gravitational-Wave Observatory (LIGO) and the Virgo interferometer detected gravitational waves (GWs) emanating…”
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Time-dependent models of accretion discs formed from compact object mergers by Metzger, B. D., Piro, A. L., Quataert, E.

“…We present time-dependent models of the remnant accretion discs created during compact object mergers, focusing on the energy available from accretion at late…”
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Strong Evidence against a Non-degenerate Companion in SN 2012cg by Shappee, B. J., Piro, A. L., Stanek, K. Z., Patel, S. G., Margutti, R. A., Lipunov, V. M., Pogge, R. W.

“…Even though SN 2012cg is one of the best-studied Type Ia supernovae to date, the nature of its progenitor system has been debated in numerous studies…”
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Discovery and follow-up of ASASSN-19dj: an X-ray and UV luminous TDE in an extreme post-starburst galaxy by Hinkle, Jason T, Holoien, T W-S, Auchettl, K, Shappee, B J, Neustadt, J M M, Payne, A V, Brown, J S, Kochanek, C S, Stanek, K Z, Graham, M J, Tucker, M A, Do, A, Anderson, J P, Bose, S, Chen, P, Coulter, D A, Dimitriadis, G, Dong, Subo, Foley, R J, Huber, M E, Hung, T, Kilpatrick, C D, Pignata, G, Piro, A L, Rojas-Bravo, C, Siebert, M R, Stalder, B, Thompson, Todd A, Tonry, J L, Vallely, P J, Wisniewski, J P

“…ABSTRACT We present observations of ASASSN-19dj, a nearby tidal disruption event (TDE) discovered in the post-starburst galaxy KUG 0810+227 by the All-Sky…”
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Neutron-rich freeze-out in viscously spreading accretion discs formed from compact object mergers by Metzger, B. D., Piro, A. L., Quataert, E.

“…Accretion discs with masses ∼10−3–0.1 M⊙ are believed to form during the merger of a neutron star (NS) with another NS and the merger of a NS with a black hole…”
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The rising light curves of Type Ia supernovae by Firth, R E, Sullivan, M, Gal-Yam, A, Howell, D A, Maguire, K, Nugent, P, Piro, A L, Baltay, C, Feindt, U, Hadjiyksta, E, McKinnon, R, Ofek, E, Rabinowitz, D, Walker, E S

“…We present an analysis of the early, rising light curves of 18 Type Ia supernovae (SNe Ia) discovered by the Palomar Transient Factory and the La Silla-QUEST…”
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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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From out of the Blue: Swift Links 2002es-like, 2003fg-like, and Early Time Bump Type Ia Supernovae by Hoogendam, W. B., Shappee, B. J., Brown, P. J., Tucker, M. A., Ashall, C., Piro, A. L.

“…Abstract We collect a sample of 42 Type Ia supernovae (SNe Ia) with Swift UV photometry and well-measured early time light-curve rises and find that…”
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A faint type of supernova from a white dwarf with a helium-rich companion by Perets, H. B, Gal-Yam, A, Mazzali, P. A, Arnett, D, Kagan, D, Filippenko, A. V, Li, W, Arcavi, I, Cenko, S. B, Fox, D. B, Leonard, D. C, Moon, D.-S, Sand, D. J, Soderberg, A. M, Anderson, J. P, James, P. A, Foley, R. J, Ganeshalingam, M, Ofek, E. O, Bildsten, L, Nelemans, G, Shen, K. J, Weinberg, N. N, Metzger, B. D, Piro, A. L, Quataert, E, Kiewe, M, Poznanski, D

“…Supernovae are thought to arise from two different physical processes. The cores of massive, short-lived stars undergo gravitational core collapse and…”
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Carnegie Supernova Project-II: Near-infrared Spectroscopy of Stripped-envelope Core-collapse Supernovae by Shahbandeh, M., Hsiao, E. Y., Ashall, C., Teffs, J., Hoeflich, P., Morrell, N., Phillips, M. M., Anderson, J. P., Baron, E., Burns, C. R., Contreras, C., Davis, S., Diamond, T. R., Folatelli, G., Galbany, L., Gall, C., Hachinger, S., Holmbo, S., Karamehmetoglu, E., Kasliwal, M. M., Kirshner, R. P., Krisciunas, K., Kumar, S., Lu, J., Marion, G. H., Mazzali, P. A., Piro, A. L., Sand, D. J., Stritzinger, M. D., Suntzeff, N. B., Taddia, F., Uddin, S. A.

“…Abstract We present 75 near-infrared (NIR; 0.8−2.5 μ m) spectra of 34 stripped-envelope core-collapse supernovae (SESNe) obtained by the Carnegie Supernova…”
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Nickel–rich outflows from accretion discs formed by the accretion–induced collapse of white dwarfs by Metzger, B. D., Piro, A. L., Quataert, E.

“…A white dwarf (WD) approaching the Chandrasekhar mass may in several circumstances undergo accretion–induced collapse (AIC) to a neutron star (NS) before a…”
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The Type II-P Supernova 2019mhm and Constraints on its Progenitor System by Vazquez, J., Kilpatrick, C. D., Dimitriadis, G., Foley, R. J., Piro, A. L., Rest, A., Rojas-Bravo, C.

“…Abstract We present pre- and postexplosion observations of the Type II-P supernova (SN II-P) 2019mhm located in NGC 6753. Based on optical spectroscopy and…”
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THE YOUNG AND BRIGHT TYPE IA SUPERNOVA ASASSN-14lp: DISCOVERY, EARLY-TIME OBSERVATIONS, FIRST-LIGHT TIME, DISTANCE TO NGC 4666, AND PROGENITOR CONSTRAINTS by Shappee, B. J., Piro, A. L., Holoien, T. W.-S., Prieto, J. L., Contreras, C., Itagaki, K., Burns, C. R., Kochanek, C. S., Stanek, K. Z., Alper, E., Basu, U., Beacom, J. F., Bersier, D., Brimacombe, J., Conseil, E., Danilet, A. B., Dong, Subo, Falco, E., Grupe, D., Hsiao, E. Y., Kiyota, S., Morrell, N., Nicolas, J., Phillips, M. M., Pojmanski, G., Simonian, G., Stritzinger, M., Szczygie, D. M., Taddia, F., Thompson, T. A., Thorstensen, J., Wagner, M. R., Wo niak, P. R.

“…ABSTRACT On 2014 December 9.61, the All-sky Automated Survey for SuperNovae (ASAS-SN or "Assassin") discovered ASASSN-14lp just ∼2 days after first light using…”
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Carnegie Supernova Project-II: Near-infrared Spectroscopic Diversity of Type II Supernovae by Davis, S., Hsiao, E. Y., Ashall, C., Hoeflich, P., Phillips, M. M., Marion, G. H., Kirshner, R. P., Morrell, N., Sand, D. J., Burns, C., Contreras, C., Stritzinger, M., Anderson, J. P., Baron, E., Diamond, T., Gutiérrez, C. P., Hamuy, M., Holmbo, S., Kasliwal, M. M., Krisciunas, K., Kumar, S., Lu, J., Pessi, P. J., Piro, A. L., Prieto, J. L., Shahbandeh, M., Suntzeff, N. B.

“…We present 81 near-infrared (NIR) spectra of 30 Type II supernovae (SNe II) from the Carnegie Supernova Project-II (CSP-II), the largest such data set…”
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Near-infrared and Optical Nebular-phase Spectra of Type Ia Supernovae SN 2013aa and SN 2017cbv in NGC 5643 by Kumar, Sahana, Hsiao, Eric Y., Ashall, C., Phillips, M. M., Morrell, N., Hoeflich, P., Burns, C. R., Galbany, L., Baron, E., Contreras, C., Davis, S., Diamond, T., Förster, F., Graham, M. L., Karamehmetoglu, E., Kirshner, R. P., Koribalski, B., Krisciunas, K., Lu, J., Marion, G. H., Pessi, P. J., Piro, A. L., Shahbandeh, M., Stritzinger, M. D., Suntzeff, N. B., Uddin, S. A.

“…Abstract We present multiwavelength time-series spectroscopy of SN 2013aa and SN 2017cbv, two Type Ia supernovae (SNe Ia) on the outskirts of the same host…”
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A Physical Basis for the H-band Blue-edge Velocity and Light-curve Shape Correlation in Context of Type Ia Supernova Explosion Physics by Ashall, C., Hoeflich, P., Hsiao, E. Y., Phillips, M. M., Stritzinger, M., Baron, E., Piro, A. L., Burns, C., Contreras, C., Davis, S., Galbany, L., Holmbo, S., Kirshner, R. P., Krisciunas, K., Marion, G. H., Morrell, N., Sand, D. J., Shahbandeh, M., Suntzeff, N. B., Taddia, F.

“…Our recent work demonstrates a correlation between the high-velocity blue edge, vedge, of the iron-peak Fe/Co/Ni H-band emission feature and the optical…”
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GRB 080503: Implications of a Naked Short Gamma-Ray Burst Dominated by Extended Emission by Perley, D. A, Metzger, B. D, Granot, J, Butler, N. R, Sakamoto, T, Ramirez-Ruiz, E, Levan, A. J, Bloom, J. S, Miller, A. A, Bunker, A, Chen, H.-W, Filippenko, A. V, Gehrels, N, Glazebrook, K, Hall, P. B, Hurley, K. C, Kocevski, D, Li, W, Lopez, S, Norris, J, Piro, A. L, Poznanski, D, Prochaska, J. X, Quataert, E, Tanvir, N

“…We report on observations of GRB 080503, a short gamma-ray burst (GRB) with very bright extended emission (about 30 times the gamma-ray fluence of the initial…”
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The diversity of Type II supernova versus the similarity in their progenitors by Valenti, S., Howell, D. A., Stritzinger, M. D., Graham, M. L., Hosseinzadeh, G., Arcavi, I., Bildsten, L., Jerkstrand, A., McCully, C., Pastorello, A., Piro, A. L., Sand, D., Smartt, S. J., Terreran, G., Baltay, C., Benetti, S., Brown, P., Filippenko, A. V., Fraser, M., Rabinowitz, D., Sullivan, M., Yuan, F.

“…High-quality collections of Type II supernova (SN) light curves are scarce because they evolve for hundreds of days, making follow-up observations time…”
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Electromagnetic evidence that SSS17a is the result of a binary neutron star merger by Kilpatrick, C. D., Foley, R. J., Kasen, D., Murguia-Berthier, A., Ramirez-Ruiz, E., Coulter, D. A., Drout, M. R., Piro, A. L., Shappee, B. J., Boutsia, K., Contreras, C., Di Mille, F., Madore, B. F., Morrell, N., Pan, Y.-C., Prochaska, J. X., Rest, A., Rojas-Bravo, C., Siebert, M. R., Simon, J. D., Ulloa, N.

“…Eleven hours after the detection of gravitational wave source GW170817 by the Laser Interferometer Gravitational-Wave Observatory and Virgo Interferometers, an…”
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A hot and fast ultra-stripped supernova that likely formed a compact neutron star binary by De, K, Kasliwal, M M, Ofek, E O, Moriya, T J, Burke, J, Cao, Y, Cenko, S B, Doran, G B, Duggan, G E, Fender, R P, Fransson, C, Gal-Yam, A, Horesh, A, Kulkarni, S R, Laher, R R, Lunnan, R, Manulis, I, Masci, F, Mazzali, P A, Nugent, P E, Perley, D A, Petrushevska, T, Piro, A L, Rumsey, C, Sollerman, J, Sullivan, M, Taddia, F

“…Compact neutron star binary systems are produced from binary massive stars through stellar evolution involving up to two supernova explosions. The final stages…”
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