Added Transient Name Server reference for SN 1984L.
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Corrected references to 1986L to 1984L
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| volume=294| pages=L17–L20 | date=July 1985 |
| volume=294| pages=L17–L20 | date=July 1985 |
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| doi=10.1086/184500 | bibcode=1985ApJ...294L..17W }}</ref> |
| doi=10.1086/184500 | bibcode=1985ApJ...294L..17W }}</ref> |
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SN |
SN1984L (type II, mag. 13.5),<ref>[https://www.wis-tns.org/object/1984L Transient Name Server entry for SN 1984L.] Retrieved 23 January 2024.</ref> |
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== References == |
== References == |
NGC 991 | |
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![]()
SDSS image of NGC 991
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Observation data (J2000 epoch) | |
Constellation | Cetus |
Right ascension | 02h35m 32.68341s[1] |
Declination | −07° 09′ 15.8406″[1] |
Redshift | 0.005126[2] |
Heliocentric radial velocity | 1532.8 km/s[2] |
Distance | 62.9 ± 4.5 Mly (19.28 ± 1.37 Mpc)[3] |
Apparent magnitude (B) | 12.36[2] |
Characteristics | |
Type | SAB(rs)c[3] |
Other designations | |
MCG -01-07-023, PGC 9846[2] |
NGC 991 is an intermediate spiral galaxy the constellation Cetus. This galaxy was discovered by astronomer William Herschel in 1785.[4][5][6]
Atype Ib supernova designated SN 1984L was discovered in this galaxy in late August 1984 by R. Evans.[7] SN 1984L (type II, mag. 13.5),[8]
![]() | This spiral galaxy article is a stub. You can help Wikipedia by expanding it. |