A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
Event type | Supernova |
---|---|
SN Ic[1] | |
Date | July 27, 1990[1] |
Constellation | Pegasus |
Right ascension | 23h 04m 54.96s[2] |
Declination | +12° 18′ 20.1″[2] |
Epoch | J2000.0 |
Galactic coordinates | 086.2501 -42.8526 |
Distance | 105,000,000 ly |
Redshift | 0.00794[3] |
Host | NGC 7479 |
Peak apparent magnitude | 16±0.5[1] |
Other designations | SN 1990U |
SN 1990U was a type Ic supernova event in the nucleus of the galaxy NGC 7479. It was discovered July 27, 1990 by the Berkeley Automated Supernova Search after reaching magnitude 16±0.5.[1] Initially this was classified as a Type Ib supernova, but the weakness of the neutral helium absorption lines led to a reclassification.[4]
References
- ^ a b c d Gomez, G.; Lopez, R. (July 1994), "Spectral evolution of the He-Poor supernovae 1990U in NGC 7479 and 1991A in IC 2973", The Astronomical Journal, 108 (1): 195–201, Bibcode:1994AJ....108..195G, doi:10.1086/117058
- ^ a b Tsvetkov, D. Yu.; Pavlyuk, N. N.; Bartunov, O. S.; Pskovskii, Yu. P., Sternberg Astronomical Institute Supernova Catalogue, Sternberg Astronomical Institute, Moscow University, retrieved 2015-08-26
- ^ Modjaz, M.; Kewley, L.; Bloom, J. S.; Filippenko, A. V.; Perley, D.; Silverman, J. M. (April 2011), "Progenitor Diagnostics for Stripped Core-collapse Supernovae: Measured Metallicities at Explosion Sites", The Astrophysical Journal Letters, 731 (1): 6, arXiv:1007.0661, Bibcode:2011ApJ...731L...4M, doi:10.1088/2041-8205/731/1/L4, S2CID 56147580, L4
- ^ Matheson, Thomas; Filippenko, Alexei V.; Li, Weidong; Leonard, Douglas C.; Shields, Joseph C. (March 2001), "Optical Spectroscopy of Type IB/C Supernovae", The Astronomical Journal, 121 (3): 1648–1675, arXiv:astro-ph/0101119, Bibcode:2001AJ....121.1648M, doi:10.1086/319390, S2CID 119438971
External links
- Spectra Archived 2017-10-23 at the Wayback Machine on the Open Supernova Catalog
- Simbad
- Image SN 1990U
Text je dostupný za podmienok Creative Commons Attribution/Share-Alike License 3.0 Unported; prípadne za ďalších podmienok. Podrobnejšie informácie nájdete na stránke Podmienky použitia.
Antropológia
Aplikované vedy
Bibliometria
Dejiny vedy
Encyklopédie
Filozofia vedy
Forenzné vedy
Humanitné vedy
Knižničná veda
Kryogenika
Kryptológia
Kulturológia
Literárna veda
Medzidisciplinárne oblasti
Metódy kvantitatívnej analýzy
Metavedy
Metodika
Text je dostupný za podmienok Creative
Commons Attribution/Share-Alike License 3.0 Unported; prípadne za ďalších
podmienok.
Podrobnejšie informácie nájdete na stránke Podmienky
použitia.
www.astronomia.sk | www.biologia.sk | www.botanika.sk | www.dejiny.sk | www.economy.sk | www.elektrotechnika.sk | www.estetika.sk | www.farmakologia.sk | www.filozofia.sk | Fyzika | www.futurologia.sk | www.genetika.sk | www.chemia.sk | www.lingvistika.sk | www.politologia.sk | www.psychologia.sk | www.sexuologia.sk | www.sociologia.sk | www.veda.sk I www.zoologia.sk