Search Results - "Karamehmetoglu, Emir"

A Large Fraction of Hydrogen-rich Supernova Progenitors Experience Elevated Mass Loss Shortly Prior to Explosion by Bruch, Rachel J., Gal-Yam, Avishay, Schulze, Steve, Yaron, Ofer, Yang, Yi, Soumagnac, Maayane, Rigault, Mickael, Strotjohann, Nora L., Ofek, Eran, Sollerman, Jesper, Masci, Frank J., Barbarino, Cristina, Ho, Anna Y. Q., Fremling, Christoffer, Perley, Daniel, Nordin, Jakob, Cenko, S. Bradley, Adams, S., Adreoni, Igor, Bellm, Eric C., Blagorodnova, Nadia, Bulla, Mattia, Burdge, Kevin, De, Kishalay, Dhawan, Suhail, Drake, Andrew J., Duev, Dmitry A., Dugas, Alison, Graham, Matthew, Graham, Melissa L., Irani, Ido, Jencson, Jacob, Karamehmetoglu, Emir, Kasliwal, Mansi, Kim, Young-Lo, Kulkarni, Shrinivas, Kupfer, Thomas, Liang, Jingyi, Mahabal, Ashish, Miller, A. A., Prince, Thomas A., Riddle, Reed, Sharma, Y., Smith, Roger, Taddia, Francesco, Taggart, Kirsty, Walters, Richard, Yan, Lin

“…Spectroscopic detection of narrow emission lines traces the presence of circumstellar mass distributions around massive stars exploding as core-collapse…”
Get full text

Type Ibn Supernovae Show Photometric Homogeneity and Spectral Diversity at Maximum Light by Hosseinzadeh, Griffin, Arcavi, Iair, Valenti, Stefano, McCully, Curtis, Howell, D. Andrew, Johansson, Joel, Sollerman, Jesper, Pastorello, Andrea, Benetti, Stefano, Cao, Yi, Cenko, S. Bradley, Clubb, Kelsey I., Corsi, Alessandra, Duggan, Gina, Elias-Rosa, Nancy, Filippenko, Alexei V., Fox, Ori D., Fremling, Christoffer, Horesh, Assaf, Karamehmetoglu, Emir, Kasliwal, Mansi, Marion, G. H., Ofek, Eran, Sand, David, Taddia, Francesco, Zheng, WeiKang, Fraser, Morgan, Gal-Yam, Avishay, Inserra, Cosimo, Laher, Russ, Masci, Frank, Rebbapragada, Umaa, Smartt, Stephen, Smith, Ken W., Sullivan, Mark, Surace, Jason, Wo niak, Przemek

“…Type Ibn supernovae (SNe) are a small yet intriguing class of explosions whose spectra are characterized by low-velocity helium emission lines with little to…”
Get full text

The Prevalence and Influence of Circumstellar Material around Hydrogen-rich Supernova Progenitors by Bruch, Rachel J., Gal-Yam, Avishay, Yaron, Ofer, Chen, Ping, Strotjohann, Nora L., Irani, Ido, Zimmerman, Erez, Schulze, Steve, Yang, Yi, Kim, Young-Lo, Bulla, Mattia, Sollerman, Jesper, Rigault, Mickael, Ofek, Eran, Soumagnac, Maayane, Masci, Frank J., Fremling, Christoffer, Perley, Daniel, Nordin, Jakob, Cenko, S. Bradley, Ho, Anna Y. Q., Adams, S., Adreoni, Igor, Bellm, Eric C., Blagorodnova, Nadia, Burdge, Kevin, De, Kishalay, Dekany, Richard G., Dhawan, Suhail, Drake, Andrew J., Duev, Dmitry A., Graham, Matthew, Graham, Melissa L., Jencson, Jacob, Karamehmetoglu, Emir, Kasliwal, Mansi M., Kulkarni, Shrinivas, Miller, A. A., Neill, James D., Prince, Thomas A., Riddle, Reed, Rusholme, Benjamin, Sharma, Y., Smith, Roger, Sravan, Niharika, Taggart, Kirsty, Walters, Richard, Yan, Lin

“…Abstract Narrow transient emission lines (flash-ionization features) in early supernova (SN) spectra trace the presence of circumstellar material (CSM) around…”
Get full text

A JWST Near- and Mid-infrared Nebular Spectrum of the Type Ia Supernova 2021aefx by Kwok, Lindsey A., Jha, Saurabh W., Temim, Tea, Fox, Ori D., Larison, Conor, Camacho-Neves, Yssavo, Brenner Newman, Max J., Pierel, Justin D. R., Foley, Ryan J., Andrews, Jennifer E., Badenes, Carles, Barna, Barnabas, Bostroem, K. Azalee, Deckers, Maxime, Flörs, Andreas, Garnavich, Peter, Graham, Melissa L., Graur, Or, Hosseinzadeh, Griffin, Howell, D. Andrew, Hughes, John P., Johansson, Joel, Kendrew, Sarah, Kerzendorf, Wolfgang E., Maeda, Keiichi, Maguire, Kate, McCully, Curtis, O’Brien, John T., Rest, Armin, Sand, David J., Shahbandeh, Melissa, Strolger, Louis-Gregory, Szalai, Tamás, Ashall, Chris, Baron, E., Burns, Chris R., DerKacy, James M., Evans, Tyco Mera, Fisher, Alec, Galbany, Lluís, Hoeflich, Peter, Hsiao, Eric, de Jaeger, Thomas, Karamehmetoglu, Emir, Krisciunas, Kevin, Kumar, Sahana, Lu, Jing, Maund, Justyn, Mazzali, Paolo A., Medler, Kyle, Morrell, Nidia, Phillips, Mark. M., Shappee, Benjamin J., Stritzinger, Maximilian, Suntzeff, Nicholas, Telesco, Charles, Tucker, Michael, Wang, Lifan

“…Abstract We present JWST near-infrared (NIR) and mid-infrared (MIR) spectroscopic observations of the nearby normal Type Ia supernova (SN) SN 2021aefx in the…”
Get full text

SN 2018fif: The Explosion of a Large Red Supergiant Discovered in Its Infancy by the Zwicky Transient Facility by Soumagnac, Maayane T., Ganot, Noam, Irani, Ido, Gal-yam, Avishay, Ofek, Eran O., Waxman, Eli, Morag, Jonathan, Yaron, Ofer, Schulze, Steve, Yang, Yi, Rubin, Adam, Cenko, S. Bradley, Sollerman, Jesper, Perley, Daniel A., Fremling, Christoffer, Nugent, Peter, Neill, James D., Karamehmetoglu, Emir, Bellm, Eric C., Bruch, Rachel J., Burruss, Rick, Cunningham, Virginia, Dekany, Richard, Golkhou, V. Zach, Graham, Matthew J., Kasliwal, Mansi M., Konidaris, Nicholas P, Kulkarni, Shrinivas R., Kupfer, Thomas, Laher, Russ R., Masci, Frank J., Riddle, Reed, Rigault, Mickael, Rusholme, Ben, van Roestel, Jan, Zackay, Barak

“…High-cadence transient surveys are able to capture supernovae closer to their first light than ever before. Applying analytical models to such early emission,…”
Get full text

The Astropy Project: Sustaining and Growing a Community-oriented Open-source Project and the Latest Major Release (v5.0) of the Core Package by Price-Whelan, Adrian M., Lim, Pey Lian, Earl, Nicholas, Bradley, Larry, Patil, Aarya A., Corrales, Lia, Brasseur, C. E., Nöthe, Maximilian, Donath, Axel, Morris, Brett M., Ginsburg, Adam, Weaver, Benjamin A., Tocknell, James, Jamieson, William, van Kerkwijk, Marten H., Robitaille, Thomas P., Merry, Bruce, Bachetti, Matteo, Günther, H. Moritz, Aldcroft, Thomas L., Alvarado-Montes, Jaime A., Archibald, Anne M., Barentsen, Geert, Bazán, Juanjo, Biswas, Manish, Boquien, Médéric, Burke, D. J., Cara, Mihai, Craig, Matthew W., Cruz, Kelle L., Dencheva, Nadia, Devillepoix, Hadrien A. R., Dietrich, Jörg P., Eigenbrot, Arthur Davis, Erben, Thomas, Ferreira, Leonardo, Foreman-Mackey, Daniel, Fox, Ryan, Freij, Nabil, Garg, Suyog, Geda, Robel, Gondhalekar, Yash, Grant, David, Groener, Austen M., Guest, Steve, Handberg, Rasmus, Hart, Akeem, Hatfield-Dodds, Zac, Homeier, Derek, Hosseinzadeh, Griffin, Jones, Craig K., Kalmbach, J. Bryce, Karamehmetoglu, Emir, Kałuszyński, Mikołaj, Kelley, Michael S. P., Kern, Nicholas, Kerzendorf, Wolfgang E., Kulumani, Shankar, Lee, Antony, MacBride, Conor, Maljaars, Jakob M., Muna, Demitri, Oman, Kyle A., Pacifici, Camilla, Pascual, Sergio, Pascual-Granado, J., Patil, Rohit R., Perren, Gabriel I, Pickering, Timothy E., Rastogi, Tanuj, Ryan, Daniel F, Sabater, Jose, Sakurikar, Parikshit, Salgado, Jesús, Sanghi, Aniket, Saunders, Nicholas, Savchenko, Volodymyr, Schwardt, Ludwig, Seifert-Eckert, Michael, Jain, Anany Shrey, Simpson, Chris, Singanamalla, Sudheesh, Singhal, Jaladh, Sipőcz, Brigitta M., Spitler, Lee R., Stansby, David, Streicher, Ole, Šumak, Jani, Swinbank, John D., Taranu, Dan S., Tewary, Nikita, Tremblay, Grant R., Val-Borro, Miguel de, Van Kooten, Samuel J., Vasović, Zlatan, Verma, Shresth, Winkel, Benjamin, Wood-Vasey, W. M., Xue, Rui, Yoachim, Peter

“…Abstract The Astropy Project supports and fosters the development of open-source and openly developed Python packages that provide commonly needed…”
Get full text

The Broad Absorption Line Tidal Disruption Event iPTF15af: Optical and Ultraviolet Evolution by Blagorodnova, N., Cenko, S. B., Kulkarni, S. R., Arcavi, I., Bloom, J. S., Duggan, G., Filippenko, A. V., Fremling, C., Horesh, A., Hosseinzadeh, G., Karamehmetoglu, E., Levan, A., Masci, F. J., Nugent, P. E., Pasham, D. R., Veilleux, S., Walters, R., Yan, L., Zheng, W.

“…We present multiwavelength observations of the tidal disruption event (TDE) iPTF15af, discovered by the intermediate Palomar Transient Factory survey at…”
Get full text

Investigating the properties of stripped-envelope supernovae; what are the implications for their progenitors? by Prentice, S J, Ashall, C, James, P A, Short, L, Mazzali, P A, Bersier, D, Crowther, P A, Barbarino, C, Chen, T-W, Copperwheat, C M, Darnley, M J, Denneau, L, Elias-Rosa, N, Fraser, M, Galbany, L, Gal-Yam, A, Harmanen, J, Howell, D A, Hosseinzadeh, G, Inserra, C, Kankare, E, Karamehmetoglu, E, Lamb, G P, Limongi, M, Maguire, K, McCully, C, Olivares E, F, Piascik, A S, Pignata, G, Reichart, D E, Rest, A, Reynolds, T, Rodríguez, Ó, Saario, J L O, Schulze, S, Smartt, S J, Smith, K W, Sollerman, J, Stalder, B, Sullivan, M, Taddia, F, Valenti, S, Vergani, S D, Williams, S C, Young, D R

“…ABSTRACT We present observations and analysis of 18 stripped-envelope supernovae observed during 2013–2018. This sample consists of five H/He-rich SNe, six…”
Get full text

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…”
Get full text

The Spin-period History of Intermediate Polars by Patterson, Joseph, de Miguel, Enrique, Kemp, Jonathan, Dvorak, Shawn, Monard, Berto, Hambsch, Franz-Josef, Vanmunster, Tonny, Skillman, David R., Cejudo, David, Campbell, Tut, Roberts, George, Jones, Jim, Cook, Lewis M., Bolt, Greg, Rea, Robert, Ulowetz, Joseph, Krajci, Thomas, Menzies, Kenneth, Lowther, Simon, Goff, William, Stein, William, Wood, Matt A., Myers, Gordon, Stone, Geoffrey, Uthas, Helena, Karamehmetoglu, Emir, Seargeant, Jim, McCormick, Jennie

“…We report the detailed history of spin-period changes in five intermediate polars (DQ Herculis, AO Piscium, FO Aquarii, V1223 Sagittarii, and BG Canis Minoris)…”
Get full text

Detailed spectrophotometric analysis of the superluminous and fast evolving SN 2019neq by Fiore, Achille, Benetti, Stefano, Tartaglia, Leonardo, Jerkstrand, Anders, Salmaso, Irene, Tomasella, Lina, Morales-Garoffolo, Antonia, Geier, Stefan, Elias-Rosa, Nancy, Cappellaro, Enrico, Wang, Xiaofeng, Mo, Jun, Chen, Zhihao, Yan, Shengyu, Pastorello, Andrea, Mazzali, Paolo A, Ciolfi, Riccardo, Cai, Yongzhi, Fraser, Morgan, Gutiérrez, Claudia P, Karamehmetoglu, Emir, Kuncarayakti, Hanindyo, Moran, Shane, Ochner, Paolo, Reguitti, Andrea, Reynolds, Thomas M, Valerin, Giorgio

“…ABSTRACT SN 2019neq was a very fast evolving superluminous supernova. At a redshift z = 0.1059, its peak absolute magnitude was −21.5 ± 0.2 mag in g band. In…”
Get full text

Hubble Space Telescope Reveals Spectacular Light Echoes Associated with the Stripped-envelope Supernova 2016adj in the Iconic Dust Lane of Centaurus A by Stritzinger, Maximilian D., Taddia, Francesco, Lawrence, Stephen S., Patat, F., Fraser, Morgan, Galbany, Lluís, Holmbo, Simon, Hyder, Ali, Karamehmetoglu, Emir

“…Abstract We present a multiband sequence of Hubble Space Telescope images documenting the emergence and evolution of multiple light echoes (LEs) linked to the…”
Get full text

LSQ13ddu: a rapidly evolving stripped-envelope supernova with early circumstellar interaction signatures by Clark, Peter, Maguire, Kate, Inserra, Cosimo, Prentice, Simon, Smartt, Stephen J, Contreras, Carlos, Hossenizadeh, Griffin, Hsiao, Eric Y, Kankare, Erkki, Kasliwal, Mansi, Nugent, Peter, Shahbandeh, Melissa, Baltay, Charles, Rabinowitz, David, Arcavi, Iair, Ashall, Chris, Burns, Christopher R, Callis, Emma, Chen, Ting-Wan, Diamond, Tiara, Fraser, Morgan, Howell, D Andrew, Karamehmetoglu, Emir, Kotak, Rubina, Lyman, Joseph, Morrell, Nidia, Phillips, Mark, Pignata, Giuliano, Pursiainen, Miika, Sollerman, Jesper, Stritzinger, Maximilian, Sullivan, Mark, Young, David

“…ABSTRACT This paper describes the rapidly evolving and unusual supernova LSQ13ddu, discovered by the La Silla-QUEST survey. LSQ13ddu displayed a rapid rise of…”
Get full text

The metamorphosis of the Type Ib SN 2019yvr: late-time interaction by Ferrari, Lucía, Folatelli, Gastón, Kuncarayakti, Hanindyo, Stritzinger, Maximilian, Maeda, Keiichi, Bersten, Melina, Román Aguilar, Lili M, Sáez, M Manuela, Dessart, Luc, Lundqvist, Peter, Mazzali, Paolo, Nagao, Takashi, Ashall, Chris, Bose, Subhash, Brennan, Seán J, Cai, Yongzhi, Handberg, Rasmus, Holmbo, Simon, Karamehmetoglu, Emir, Pastorello, Andrea, Reguitti, Andrea, Anderson, Joseph, Chen, Ting-Wan, Galbany, Lluís, Gromadzki, Mariusz, Gutiérrez, Claudia P, Inserra, Cosimo, Kankare, Erkki, Müller Bravo, Tomás E, Mattila, Seppo, Nicholl, Matt, Pignata, Giuliano, Sollerman, Jesper, Srivastav, Shubham, Young, David R

“…ABSTRACT We present observational evidence of late-time interaction between the ejecta of the hydrogen-poor Type Ib supernova (SN) 2019yvr and hydrogen-rich…”
Get full text

iPTF Survey for Cool Transients by Adams, S. M., Blagorodnova, N., Kasliwal, M. M., Amanullah, R., Barlow, T., Bue, B., Bulla, M., Cao, Y., Cenko, S. B., Cook, D. O., Ferretti, R., Fox, O. D., Fremling, C., Gezari, S., Goobar, A., Ho, A. Y. Q., Hung, T., Karamehmetoglu, E., Kulkarni, S. R., Kupfer, T., Laher, R. R., Masci, F. J., Miller, A. A., Neill, J. D., Nugent, P. E., Sollerman, J., Taddia, F., Walters, R.

“…We performed a wide-area (2000 deg2) g and I band experiment as part of a two month extension to the Intermediate Palomar Transient Factory. We discovered 36…”
Get full text

CONSTRAINING THE ANGULAR MOMENTUM EVOLUTION OF V455 ANDROMEDAE by Mukadam, Anjum S., Pyrzas, Stylianos, Townsley, D. M., Gänsicke, B. T., Hermes, J. J., Szkody, Paula, Kemp, Jonathan, Patterson, J., Ding, Claire, Wolf, Katie, Gemma, Marina, Karamehmetoglu, Emir, Rock, John

“…ABSTRACT Time-series photometry on the cataclysmic variable V455 Andromedae (hereafter V455 And, HS 2331+3905) reveals a rotation period shorter than the…”
Get full text

Type Ibn Supernovae Show Photometric Homogeneity and Spectral Diversity at Maximum Light by Hosseinzadeh, Griffin, Arcavi, Iair, McCully, Curtis, Howell, D. Andrew, Valenti, Stefano, Johansson, Joel, Sollerman, Jesper, Fremling, Christoffer, Karamehmetoglu, Emir, Pastorello, Andrea, Benetti, Stefano, Elias-Rosa, Nancy, Cao, Yi, Duggan, Gina, Horesh, Assaf, Cenko, S. Bradley, Clubb, Kelsey I., Filippenko, Alexei V., Corsi, Alessandra, Fox, Ori D., others, and

“…Type Ibn supernovae (SNe) are a small yet intriguing class of explosions whose spectra are characterized by low-velocity helium emission lines with little to…”
Get full text

Hubble~Space~Telescope$ Reveals Spectacular Light Echoes Associated with the Stripped-envelope Supernova 2016adj in the Iconic Dust Lane of Centaurus A by Stritzinger, Maximilian, Taddia, Francesco, Lawrence, Stephen S, Patat, Ferdinando, Fraser, Morgan, Galbany, Lluís, Holmbo, Simon, Hyder, Ali, Karamehmetoglu, Emir

“…We present a multi-band sequence of $Hubble~Space~Telescope$ images documenting the emergence and evolution of multiple light echoes (LEs) linked to the…”
Get full text

An updated measurement of the Hubble constant from near-infrared observations of Type Ia supernovae by Galbany, Lluís, de Jaeger, Thomas, Riess, Adam G, Müller-Bravo, Tomás E, Dhawan, Suhail, Phan, Kim, Stritzinger, Maximillian, Karamehmetoglu, Emir, Leibundgut, Bruno, Peterson, Erik, Kenworthy, W. D'Arcy, Johansson, Joel, Maguire, Kate, Jha, Saurabh W

“…A&A 679, A95 (2023) We present a measurement of the Hubble constant ($H_0$) using type Ia supernova (SNe Ia) in the near-infrared (NIR) from the recently…”
Get full text

Detailed spectrophotometric analysis of the superluminous and fast evolving SN 2019neq by Fiore, Achille, Benetti, Stefano, Tartaglia, Leonardo, Jerkstrand, Anders, Salmaso, Irene, Tomasella, Lina, Morales-Garoffolo, Antonia, Geier, Stefan, Elias-Rosa, Nancy, Cappellaro, Enrico, Wang, Xiaofeng, Mo, Jun, Chen, Zhihao, Yan, Shengyu, Pastorello, Andrea, Mazzali, Paolo A, Ciolfi, Riccardo, Cai, Yongzhi, Fraser, Morgan, Gutiérrez, Claudia P, Karamehmetoglu, Emir, Kuncarayakti, Hanindyo, Moran, Shane, Ochner, Paolo, Reguitti, Andrea, Reynolds, Thomas M, Valerin, Giorgio

“…SN 2019neq was a very fast evolving superluminous supernova. At a redshift z=0.1059, its peak absolute magnitude was -21.5+/-0.2 mag in g band. In this work,…”
Get full text