Search Results - "Lunnan, Ragnhild"

Spectra of Hydrogen-poor Superluminous Supernovae from the Palomar Transient Factory by Quimby, Robert M., Cia, Annalisa De, Gal-Yam, Avishay, Leloudas, Giorgos, Lunnan, Ragnhild, Perley, Daniel A., Vreeswijk, Paul M., Yan, Lin, Bloom, Joshua S., Cenko, S. Bradley, Cooke, Jeff, Ellis, Richard, Filippenko, Alexei V., Kasliwal, Mansi M., Kleiser, Io K. W., Kulkarni, Shrinivas R., Matheson, Thomas, Nugent, Peter E., Pan, Yen-Chen, Silverman, Jeffrey M., Sternberg, Assaf, Sullivan, Mark, Yaron, Ofer

“…Most Type I superluminous supernovae (SLSNe-I) reported to date have been identified by their high peak luminosities and spectra lacking obvious signs of…”
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First ALMA Light Curve Constrains Refreshed Reverse Shocks and Jet Magnetization in GRB 161219B by Laskar, Tanmoy, Alexander, Kate D., Berger, Edo, Guidorzi, Cristiano, Margutti, Raffaella, Fong, Wen-fai, Kilpatrick, Charles D., Milne, Peter, Drout, Maria R., Mundell, C. G., Kobayashi, Shiho, Lunnan, Ragnhild, Duran, Rodolfo Barniol, Menten, Karl M., Ioka, Kunihito, Williams, Peter K. G.

“…We present detailed multiwavelength observations of GRB 161219B at z = 0.1475, spanning the radio to X-ray regimes, and the first Atacama Large…”
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iPTF 16hgs: A Double-peaked Ca-rich Gap Transient in a Metal-poor, Star-forming Dwarf Galaxy by De, Kishalay, Kasliwal, Mansi M., Cantwell, Therese, Cao, Yi, Cenko, S. Bradley, Gal-Yam, Avishay, Johansson, Joel, Kong, Albert, Kulkarni, Shrinivas R., Lunnan, Ragnhild, Masci, Frank, Matuszewski, Matt, Mooley, Kunal P., Neill, James D., Nugent, Peter E., Ofek, Eran O., Perrott, Yvette, Rebbapragada, Umaa D., Rubin, Adam, Sullivan, Donal O', Yaron, Ofer

“…Calcium-rich gap transients represent an intriguing new class of faint and fast-evolving supernovae that exhibit strong [Ca ii] emission in their nebular phase…”
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GRB 130606A AS A PROBE OF THE INTERGALACTIC MEDIUM AND THE INTERSTELLAR MEDIUM IN A STAR-FORMING GALAXY IN THE FIRST Gyr AFTER THE BIG BANG by CHORNOCK, RYAN, Berger, Edo, Fox, Derek B, Lunnan, Ragnhild, Drout, Maria R, Fong, Wen-Fai, Laskar, Tanmoy, Roth, Katherine C

“…We present high signal-to-noise ratio Gemini and MMT spectroscopy of the optical afterglow of the gamma-ray burst (GRB) 130606A at redshift z = 5.913,…”
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Glimmers in the Cosmic Dawn: A Census of the Youngest Supermassive Black Holes by Photometric Variability by Hayes, Matthew J., Tan, Jonathan C., Ellis, Richard S., Young, Alice R., Cammelli, Vieri, Singh, Jasbir, Runnholm, Axel, Saxena, Aayush, Lunnan, Ragnhild, Keller, Benjamin W., Monaco, Pierluigi, Laporte, Nicolas, Melinder, Jens

“…Abstract We report the first results from a deep near-infrared campaign with the Hubble Space Telescope to obtain late-epoch images of the Hubble Ultra Deep…”
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Erratum: “Spectra of Hydrogen-poor Superluminous Supernovae from the Palomar Transient Factory” (2018, ApJ, 855, 2) by Quimby, Robert M., De Cia, Annalisa, Gal-Yam, Avishay, Leloudas, Giorgos, Lunnan, Ragnhild, Perley, Daniel A., Vreeswijk, Paul M., Yan, Lin, Bloom, Joshua S., Cenko, S. Bradley, Cooke, Jeff, Ellis, Richard, Filippenko, Alexei V., Kasliwal, Mansi M., Kleiser, Io K. W., Kulkarni, Shrinivas R., Matheson, Thomas, Nugent, Peter E., Pan, Yen-Chen, Silverman, Jeffrey M., Sternberg, Assaf, Sullivan, Mark, Yaron, Ofer

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Spatially resolved analysis of superluminous supernovae PTF 11hrq and PTF 12dam host galaxies by Cikota, Aleksandar, De Cia, Annalisa, Schulze, Steve, Vreeswijk, Paul M., Leloudas, Giorgos, Gal-Yam, Avishay, Perley, Daniel A., Cikota, Stefan, Kim, Sam, Patat, Ferdinando, Lunnan, Ragnhild, Quimby, Robert, Yaron, Ofer, Yan, Lin, Mazzali, Paolo A.

“…Abstract Superluminous supernovae (SLSNe) are the most luminous supernovae in the Universe. They are found in extreme star-forming galaxies and are probably…”
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An extremely energetic supernova from a very massive star in a dense medium by Nicholl, Matt, Blanchard, Peter K., Berger, Edo, Chornock, Ryan, Margutti, Raffaella, Gomez, Sebastian, Lunnan, Ragnhild, Miller, Adam A., Fong, Wen-fai, Terreran, Giacomo, Vigna-Gómez, Alejandro, Bhirombhakdi, Kornpob, Bieryla, Allyson, Challis, Pete, Laher, Russ R., Masci, Frank J., Paterson, Kerry

“…The interaction of a supernova with a circumstellar medium (CSM) can dramatically increase the emitted luminosity by converting kinetic energy to thermal…”
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An extremely energetic supernova from a very massive star in a dense medium by Nicholl, Matt, Blanchard, Peter K., Berger, Edo, Chornock, Ryan, Margutti, Raffaella, Gomez, Sebastian, Lunnan, Ragnhild, Miller, Adam A., Fong, Wen-fai, Terreran, Giacomo, Vigna-Gómez, Alejandro, Bhirombhakdi, Kornpob, Bieryla, Allyson, Challis, Pete, Laher, Russ R., Masci, Frank J., Paterson, Kerry

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HOST GALAXY PROPERTIES OF THE SUBLUMINOUS GRB 120422A/SN 2012bz by LEVESQUE, Emily M, CHORNOCK, Ryan, SODERBERG, Alicia M, BERGER, Edo, LUNNAN, Ragnhild

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SuperRAENN: A Semisupervised Supernova Photometric Classification Pipeline Trained on Pan-STARRS1 Medium-Deep Survey Supernovae by Villar, V. Ashley, Hosseinzadeh, Griffin, Berger, Edo, Ntampaka, Michelle, Jones, David O., Challis, Peter, Chornock, Ryan, Drout, Maria R., Foley, Ryan J., Kirshner, Robert P., Lunnan, Ragnhild, Margutti, Raffaella, Milisavljevic, Dan, Sanders, Nathan, Pan, Yen-Chen, Rest, Armin, Scolnic, Daniel M., Magnier, Eugene, Metcalfe, Nigel, Wainscoat, Richard, Waters, Christopher

“…Automated classification of supernovae (SNe) based on optical photometric light-curve information is essential in the upcoming era of wide-field time domain…”
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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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Short GRB Host Galaxies. I. Photometric and Spectroscopic Catalogs, Host Associations, and Galactocentric Offsets by Fong, Wen-fai, Nugent, Anya E., Dong, Yuxin, Berger, Edo, Paterson, Kerry, Chornock, Ryan, Levan, Andrew, Blanchard, Peter, Alexander, Kate D., Andrews, Jennifer, Cobb, Bethany E., Cucchiara, Antonino, Fox, Derek, Fryer, Chris L., Gordon, Alexa C., Kilpatrick, Charles D., Lunnan, Ragnhild, Margutti, Raffaella, Miller, Adam, Milne, Peter, Nicholl, Matt, Perley, Daniel, Rastinejad, Jillian, Escorial, Alicia Rouco, Schroeder, Genevieve, Smith, Nathan, Tanvir, Nial, Terreran, Giacomo

“…Abstract We present a comprehensive optical and near-infrared census of the fields of 90 short gamma-ray bursts (GRBs) discovered in 2005–2021, constituting…”
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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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iPTF16fnl: A Faint and Fast Tidal Disruption Event in an E plus A Galaxy by Blagorodnova, N., Gezari, S., Hung, T., Kulkarni, S. R., Cenko, S. B., Pasham, D. R., Yan, L., Arcavi, I., Ben-Ami, S., Bue, B. D., Cantwell, T., Cao, Y., Castro-Tirado, A. J., Fender, R., Fremling, C., Gal-Yam, A., Ho, A. Y. Q., Horesh, A., Hosseinzadeh, G., Kasliwal, M. M., Kong, A. K. H., Laher, R. R., Leloudas, G., Lunnan, Ragnhild, Masci, F. J., Mooley, K., Neill, J. D., Nugent, P., Powell, M., Valeev, A. F., Vreeswijk, P. M., Walters, R., Wozniak, P.

“…We present ground-based and Swift observations of iPTF16fnl, a likely tidal disruption event (TDE) discovered by the intermediate Palomar Transient Factory…”
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Glimmers in the Cosmic Dawn: A Census of the Youngest Supermassive Black Holes by Photometric Variability This research is based on observations made with the NASA/ESA Hubble Space Telescope obtained from the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Inc., under NASA contract NAS 526555. These observations are associated with programs 11563, 12498, and 17073 by Hayes, Matthew J., Tan, Jonathan C., Ellis, Richard S., Young, Alice R., Cammelli, Vieri, Singh, Jasbir, Runnholm, Axel, Saxena, Aayush, Lunnan, Ragnhild, Keller, Benjamin W., Monaco, Pierluigi, Laporte, Nicolas, Melinder, Jens

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Far-UV HST Spectroscopy of an Unusual Hydrogen-poor Superluminous Supernova: SN2017egm by Yan, Lin, Perley, D. A., Cia, A. De, Quimby, R., Lunnan, R., Rubin, Kate H. R., Brown, P. J.

“…SN2017egm is the closest (z = 0.03) H-poor superluminous supernova (SLSN-I) detected to date, and a rare example of an SLSN-I in a massive, metal-rich galaxy…”
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THE EFFECTS OF PATCHY REIONIZATION ON SATELLITE GALAXIES OF THE MILKY WAY by LUNNAN, Ragnhild, VOGELSBERGER, Mark, REBEL, Anna, HERNQUIST, Lars, LIDZ, Adam, BOYLAN-KOLCHIN, Michael

“…We combine the high-resolution Aquarius simulations with three-dimensional models of reionization based on the initial density field of the Aquarius parent…”
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Photometric Classification of 2315 Pan-STARRS1 Supernovae with Superphot by Hosseinzadeh, Griffin, Dauphin, Frederick, Villar, V. Ashley, Berger, Edo, Jones, David O., Challis, Peter, Chornock, Ryan, Drout, Maria R., Foley, Ryan J., Kirshner, Robert P., Lunnan, Ragnhild, Margutti, Raffaella, Milisavljevic, Dan, Pan, Yen-Chen, Rest, Armin, Scolnic, Daniel M., Magnier, Eugene, Metcalfe, Nigel, Wainscoat, Richard, Waters, Christopher

“…The classification of supernovae (SNe) and its impact on our understanding of explosion physics and progenitors have traditionally been based on the presence…”
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iPTF 16asu: A Luminous, Rapidly Evolving, and High-velocity Supernova by Whitesides, L., Lunnan, R., Kasliwal, M. M., Perley, D. A., Corsi, A., Cenko, S. B., Blagorodnova, N., Cao, Y., Cook, D. O., Doran, G. B., Frederiks, D. D., Fremling, C., Hurley, K., Karamehmetoglu, E., Kulkarni, S. R., Leloudas, G., Masci, F., Nugent, P. E., Ritter, A., Rubin, A., Savchenko, V., Sollerman, J., Svinkin, D. S., Taddia, F., Vreeswijk, P., Wozniak, P.

“…Wide-field surveys are discovering a growing number of rare transients whose physical origin is not yet well understood. Here we present optical and UV data…”
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