Optical Spectroscopy of Type Ia Supernovae by the Carnegie Supernova Projects I and II

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

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A WC/WO star exploding within an expanding carbon–oxygen–neon nebula

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