Please use this identifier to cite or link to this item:
http://hdl.handle.net/20.500.12386/26585
Title: | ASASSN-15lh: A highly super-luminous supernova | Authors: | Dong, Subo Shappee, B. J. Prieto, J. L. Jha, S. W. Stanek, K. Z. Holoien, T. W. -S. Kochanek, C. S. Thompson, T. A. Morrell, N. Thompson, I. B. Basu, U. Beacom, J. F. Bersier, D. Brimacombe, J. Brown, J. S. BUFANO, FILOMENA Chen, Ping Conseil, E. Danilet, A. B. Falco, E. Grupe, D. Kiyota, S. Masi, G. Nicholls, B. Olivares E., F. Pignata, G. Pojmanski, G. Simonian, G. V. Szczygiel, D. M. Woźniak, P. R. |
Issue Date: | 2016 | Journal: | SCIENCE | Number: | 351 | Issue: | 6270 | First Page: | 257 | Abstract: | We report the discovery of ASASSN-15lh (SN 2015L), which we interpret as the most luminous supernova yet found. At redshift z = 0.2326, ASASSN-15lh reached an absolute magnitude of M<SUB>u</SUB><SUB>,AB</SUB> = -23.5 ± 0.1 and bolometric luminosity L<SUB>bol</SUB> = (2.2 ± 0.2) × 10<SUP>45</SUP> ergs s<SUP>-1</SUP>, which is more than twice as luminous as any previously known supernova. It has several major features characteristic of the hydrogen-poor super-luminous supernovae (SLSNe-I), whose energy sources and progenitors are currently poorly understood. In contrast to most previously known SLSNe-I that reside in star-forming dwarf galaxies, ASASSN-15lh appears to be hosted by a luminous galaxy (M<SUB>K</SUB> ≈ -25.5) with little star formation. In the 4 months since first detection, ASASSN-15lh radiated (1.1 ± 0.2) × 10<SUP>52</SUP> ergs, challenging the magnetar model for its engine. | URI: | http://hdl.handle.net/20.500.12386/26585 | URL: | https://science.sciencemag.org/content/351/6270/257 | ISSN: | 0036-8075 | DOI: | 10.1126/science.aac9613 | Bibcode ADS: | 2016Sci...351..257D | Fulltext: | open |
Appears in Collections: | 1.01 Articoli in rivista |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
Subo+16.pdf | preprint | 745.25 kB | Adobe PDF | View/Open |
Science_257.full.pdf | [Administrators only] | 522.53 kB | Adobe PDF |
Page view(s)
54
checked on Apr 23, 2024
Download(s)
24
checked on Apr 23, 2024
Google ScholarTM
Check
Altmetric
Altmetric
Items in DSpace are published in Open Access, unless otherwise indicated.