Zobrazeno 1 - 10
of 129
pro vyhledávání: '"J C, Wheeler"'
Autor:
Manisha Shrestha, K. Azalee Bostroem, David J. Sand, Griffin Hosseinzadeh, Jennifer E. Andrews, Yize Dong, Emily Hoang, Daryl Janzen, Jeniveve Pearson, Jacob E. Jencson, M. J. Lundquist, Darshana Mehta, Aravind P. Ravi, Nicolás Meza Retamal, Stefano Valenti, Peter J. Brown, Saurabh W. Jha, Colin Macrie, Brian Hsu, Joseph Farah, D. Andrew Howell, Curtis McCully, Megan Newsome, Estefania Padilla Gonzalez, Craig Pellegrino, Giacomo Terreran, Lindsey Kwok, Nathan Smith, Michaela Schwab, Aidan Martas, Ricardo R. Munoz, Gustavo E. Medina, Ting S. Li, Paula Diaz, Daichi Hiramatsu, Brad E. Tucker, J. C. Wheeler, Xiaofeng Wang, Qian Zhai, Jujia Zhang, Anjasha Gangopadhyay, Yi Yang, Claudia P. Gutiérrez
Publikováno v:
The Astrophysical Journal Letters, Vol 972, Iss 1, p L15 (2024)
We present high-cadence photometric and spectroscopic observations of supernova (SN) 2024ggi, a Type II SN with flash spectroscopy features, which exploded in the nearby galaxy NGC 3621 at ∼7 Mpc. The light-curve evolution over the first 30 hr can
Externí odkaz:
https://doaj.org/article/f290b6808d1147dfa751e93bc8675b61
Autor:
N. Morrell, M. M. Phillips, G. Folatelli, M. D. Stritzinger, M. Hamuy, N. B. Suntzeff, E. Y. Hsiao, F. Taddia, C. R. Burns, P. Hoeflich, C. Ashall, C. Contreras, L. Galbany, J. Lu, A. L. Piro, J. Anais, E. Baron, A. Burrow, L. Busta, A. Campillay, S. Castellón, C. Corco, T. Diamond, W. L. Freedman, C. Gonzalez, K. Krisciunas, S. Kumar, S. E. Persson, J. Serón, M. Shahbandeh, S. Torres, S. A. Uddin, J. P. Anderson, C. Baltay, C. Gall, A. Goobar, E. Hadjiyska, S. Holmbo, M. Kasliwal, C. Lidman, G. H. Marion, P. A. Mazzali, P. Nugent, S. Perlmutter, G. Pignata, D. Rabinowitz, M. Roth, S. D. Ryder, B. J. Shappee, J. Vinkó, J. C. Wheeler, T. de Jaeger, P. Lira, M. T. Ruiz, J. A. Rich, J. L. Prieto, F. Di Mille, D. Osip, G. Blanc, P. Palunas
Publikováno v:
The Astrophysical Journal, Vol 967, Iss 1, p 20 (2024)
We present the second and final release of optical spectroscopy of Type Ia supernovae (SNe Ia) obtained during the first and second phases of the Carnegie Supernova Project (CSP-I and CSP-II). The newly released data consist of 148 spectra of 30 SNe
Externí odkaz:
https://doaj.org/article/ab047d118a8b4e89956a76bfff670f10
Autor:
G. Dhungana, R. Kehoe, R. Staten, J. Vinko, J. C. Wheeler, C. Akerlof, D. Doss, F. V. Ferrante, C. A. Gibson, J. Lasker, G. H. Marion, S. B. Pandey, R. M. Quimby, E. Rykoff, D. Smith, F. Yuan, W. Zheng
Publikováno v:
The Astrophysical Journal, Vol 962, Iss 1, p 60 (2024)
We present cosmological analysis of 12 nearby ( z < 0.06) Type IIP supernovae (SNe IIP) observed with the ROTSE-IIIb telescope. To achieve precise photometry, we present a new image-differencing technique that is implemented for the first time on the
Externí odkaz:
https://doaj.org/article/8ee3feef6ab64b728fe4175feaf50262
Autor:
K. Azalee Bostroem, Jeniveve Pearson, Manisha Shrestha, David J. Sand, Stefano Valenti, Saurabh W. Jha, Jennifer E. Andrews, Nathan Smith, Giacomo Terreran, Elizabeth Green, Yize Dong, Michael Lundquist, Joshua Haislip, Emily T. Hoang, Griffin Hosseinzadeh, Daryl Janzen, Jacob E. Jencson, Vladimir Kouprianov, Emmy Paraskeva, Nicolas E. Meza Retamal, Daniel E. Reichart, Iair Arcavi, Alceste Z. Bonanos, Michael W. Coughlin, Ross Dobson, Joseph Farah, Lluís Galbany, Claudia Gutiérrez, Suzanne Hawley, Leslie Hebb, Daichi Hiramatsu, D. Andrew Howell, Takashi Iijima, Ilya Ilyin, Kiran Jhass, Curtis McCully, Sean Moran, Brett M. Morris, Alessandra C. Mura, Tomás E. Müller-Bravo, James Munday, Megan Newsome, Maria Th. Pabst, Paolo Ochner, Estefania Padilla Gonzalez, Andrea Pastorello, Craig Pellegrino, Lara Piscarreta, Aravind P. Ravi, Andrea Reguitti, Laura Salo, József Vinkó, Kellie de Vos, J. C. Wheeler, G. Grant Williams, Samuel Wyatt
Publikováno v:
The Astrophysical Journal Letters, Vol 956, Iss 1, p L5 (2023)
We present the optical spectroscopic evolution of SN 2023ixf seen in subnight cadence spectra from 1.18 to 15 days after explosion. We identify high-ionization emission features, signatures of interaction with material surrounding the progenitor star
Externí odkaz:
https://doaj.org/article/4770225259c04e39bbbf9c2988c9bbb1
Autor:
M L Graham, T D Kennedy, S Kumar, R C Amaro, D J Sand, S W Jha, L Galbany, J Vinko, J C Wheeler, E Y Hsiao, K A Bostroem, J Burke, D Hiramatsu, G Hosseinzadeh, C McCully, D A Howell, T Diamond, P Hoeflich, X Wang, W Li
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 511:3682-3707
The observed diversity in Type Ia supernovae (SNe Ia) – the thermonuclear explosions of carbon–oxygen white dwarf stars used as cosmological standard candles – is currently met with a variety of explosion models and progenitor scenarios. To hel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ad233d49ce1fcde8b30ded0800a54b01
https://doi.org/10.1093/mnras/stac192
https://doi.org/10.1093/mnras/stac192
Autor:
A. Gal-Yam, R. Bruch, S. Schulze, Y. Yang, D. A. Perley, I. Irani, J. Sollerman, E. C. Kool, M. T. Soumagnac, O. Yaron, N. L. Strotjohann, E. Zimmerman, C. Barbarino, S. R. Kulkarni, M. M. Kasliwal, K. De, Y. Yao, C. Fremling, L. Yan, E. O. Ofek, C. Fransson, A. V. Filippenko, W. Zheng, T. G. Brink, C. M. Copperwheat, R. J. Foley, J. Brown, M. Siebert, G. Leloudas, A. L. Cabrera-Lavers, D. Garcia-Alvarez, A. Marante-Barreto, S. Frederick, T. Hung, J. C. Wheeler, J. Vinkó, B. P. Thomas, M. J. Graham, D. A. Duev, A. J. Drake, R. Dekany, E. C. Bellm, B. Rusholme, D. L. Shupe, I. Andreoni, Y. Sharma, R. Riddle, J. van Roestel, N. Knezevic
Publikováno v:
Gal-Yam, A, Bruch, R, Schulze, S, Yang, Y, Perley, D A, Irani, I, Sollerman, J, Kool, E C, Soumagnac, M T, Yaron, O, Strotjohann, N L, Zimmerman, E, Barbarino, C, Kulkarni, S R, Kasliwal, M M, De, K, Yao, Y, Fremling, C, Yan, L, Ofek, E O, Fransson, C, Filippenko, A V, Zheng, W, Brink, T G, Copperwheat, C M, Foley, R J, Brown, J, Siebert, M, Leloudas, G, Cabrera-Lavers, A L, Garcia-Alvarez, D, Marante-Barreto, A, Frederick, S, Hung, T, Wheeler, J C, Vinkó, J, Thomas, B P, Graham, M J, Duev, D A, Drake, A J, Dekany, R, Bellm, E C, Rusholme, B, Shupe, D L, Andreoni, I, Sharma, Y, Riddle, R, van Roestel, J & Knezevic, N 2022, ' A WC/WO star exploding within an expanding carbon–oxygen–neon nebula ', Nature, vol. 601, no. 7892, pp. 201-204 . https://doi.org/10.1038/s41586-021-04155-1
The final explosive fate of massive stars, and the nature of the compact remnants they leave behind (black holes and neutron stars), are major open questions in astrophysics. Many massive stars are stripped of their outer hydrogen envelopes as they e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ea2f603c0b66036933e12b0d0c8e214b
https://orbit.dtu.dk/en/publications/9223735d-26fb-451d-a220-2392fd9e5b72
https://orbit.dtu.dk/en/publications/9223735d-26fb-451d-a220-2392fd9e5b72
Autor:
A Fiore, S Benetti, M Nicholl, A Reguitti, E Cappellaro, S Campana, S Bose, E Paraskeva, E Berger, T M Bravo, J Burke, Y-Z Cai, T-W Chen, P Chen, R Ciolfi, S Dong, S Gomez, M Gromadzki, C P Gutiérrez, D Hiramatsu, G Hosseinzadeh, D A Howell, A Jerkstrand, E Kankare, A Kozyreva, K Maguire, C McCully, P Ochner, C Pellegrino, G Pignata, R S Post, N Elias-Rosa, M Shahbandeh, S Schuldt, B P Thomas, L Tomasella, J Vinkó, C Vogl, J C Wheeler, D R Young
Publikováno v:
Fiore, A, Benetti, S, Nicholl, M, Reguitti, A, Cappellaro, E, Campana, S, Bose, S, Paraskeva, E, Berger, E, Bravo, T M, Burke, J, Cai, Y-Z, Chen, T-W, Chen, P, Ciolfi, R, Dong, S, Gomez, S, Gromadzki, M, Gutiérrez, C P, Hiramatsu, D, Hosseinzadeh, G, Howell, D A, Jerkstrand, A, Kankare, E, Kozyreva, A, Maguire, K, McCully, C, Ochner, P, Pellegrino, C, Pignata, G, Post, R S, Elias-Rosa, N, Shahbandeh, M, Schuldt, S, Thomas, B P, Tomasella, L, Vinkó, J, Vogl, C, Wheeler, J C & Young, D R 2022, ' Close, bright and boxy: the superluminous SN 2018hti ', Monthly Notices of the Royal Astronomical Society, vol. 512, no. 3, pp. 4484-4502 . https://doi.org/10.1093/mnras/stac744
SN 2018hti was a very nearby (z = 0.0614) superluminous supernova with an exceedingly bright absolute magnitude of −21.7 mag in r band at maximum. The densely sampled pre-maximum light curves of SN 2018hti show a slow luminosity evolution and const
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e9bd1a299b565baa10f211502b16cfb
Autor:
Jennifer E. Andrews, Curtis McCully, Daichi Hiramatsu, Stefano Valenti, David J. Sand, J. C. Wheeler, Sumit K. Sarbadhicary, Jamison Burke, Peter de Nully Brown, Yang Yang, C. Pellegrino, Laura Chomiuk, S. Wyatt, Peter A. Milne, Melissa Shahbandeh, Nathan Smith, Jozsef Vinko, Dale Andrew Howell, Eric Hsiao
We present multiwavelength photometric and spectroscopic observations of SN 2019ein, a high-velocity Type Ia supernova (SN Ia) discovered in the nearby galaxy NGC 5353 with a two-day nondetection limit. SN 2019ein exhibited some of the highest measur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::87055e973fe114badabe2bbcf3454614
http://arxiv.org/abs/2003.05946
http://arxiv.org/abs/2003.05946
Autor:
Alessandra Corsi, L. E. Rivera Sandoval, Peter J. Brown, J. C. Wheeler, David Pooley, Thomas J. Maccarone
Publikováno v:
Monthly Notices of the Royal Astronomical Society: Letters. 480:L146-L150
Supernova (SN) 2018cow (or AT2018cow) is an optical transient detected in the galaxy CGCG 137-068. It has been classified as a SN due to various characteristics in its optical spectra. The transient is also a bright X-ray source. We present results o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8f55397d05640147e1ddbeac499b0573
https://doi.org/10.1093/mnrasl/sly145
https://doi.org/10.1093/mnrasl/sly145
Autor:
Abdo Campillay, Lluís Galbany, Francesco Taddia, C. G. Ávila, Jesper Sollerman, George H Marion, J. C. Wheeler, Christopher R. Burns, Mark M. Phillips, E. Baron, S. Castellon, Jozsef Vinko, Emir Karamehmetoglu, S. Holmbo, Carlos Contreras, Peter Hoeflich, Nidia Morrell, Nicholas B. Suntzeff, Chris Ashall, Gastón Folatelli, Eric Hsiao, M. D. Stritzinger
Publikováno v:
Stritzinger, M D, Taddia, F, Holmbo, S, Baron, E, Contreras, C, Karamehmetoglu, E, Phillips, M M, Sollerman, J, Suntzeff, N B, Vinko, J, Ashall, C, Avila, C, Burns, C R, Campillay, A, Castellon, S, Folatelli, G, Galbany, L, Hoeflich, P, Hsiao, E Y, Marion, G H, Morrell, N & Wheeler, J C 2020, ' The Carnegie Supernova Project II. Early observations and progenitor constraints of the Type Ib supernova LSQ13abf ', Astronomy & Astrophysics, vol. 634, A21 . https://doi.org/10.1051/0004-6361/201936619
CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
Supernova LSQ13abf was discovered soon after explosion by the La Silla-QUEST Survey and followed by the CSP II at optical and near-IR wavelengths. Our analysis indicates LSQ13abf was discovered within two days of explosion and its first 10 days of ev
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2093e5df067385aaf2e1f205cca9c2b
http://arxiv.org/abs/1911.04564
http://arxiv.org/abs/1911.04564