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Corrected references to 1986L to 1984L
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{{Short description| Intermediate spiral galaxy in the constellation Cetus }} |
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{{Infobox galaxy |
{{Infobox galaxy |
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| name = NGC 991 |
| name = NGC 991 |
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| z = 0.005126<ref name=SIMBAD/> |
| z = 0.005126<ref name=SIMBAD/> |
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| h_radial_v = 1532.8 km/s<ref name=SIMBAD/> |
| h_radial_v = 1532.8 km/s<ref name=SIMBAD/> |
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| dist_ly = {{cvt|19.28|±|1.37|Mpc|Mly|lk=on|order=flip}}<ref name=NED>{{cite web|url=https://ned.ipac.caltech.edu/byname?objname=NGC%20991&hconst=67.8&omegam=0.308&omegav=0.692&wmap=4&corr_z=1|title=Results for object NGC 0991 (NGC 991)|work=NASA/IPAC Extragalactic Database|publisher=California Institute of Technology| |
| dist_ly = {{cvt|19.28|±|1.37|Mpc|Mly|lk=on|order=flip}}<ref name=NED>{{cite web|url=https://ned.ipac.caltech.edu/byname?objname=NGC%20991&hconst=67.8&omegam=0.308&omegav=0.692&wmap=4&corr_z=1|title=Results for object NGC 0991 (NGC 991)|work=NASA/IPAC Extragalactic Database|publisher=California Institute of Technology|access-date=2020-06-03}}</ref> |
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| group_cluster = |
| group_cluster = |
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| type = SAB(rs)c<ref name=NED/> |
| type = SAB(rs)c<ref name=NED/> |
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| size_v = |
| size_v = |
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| notes = |
| notes = |
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| names = {{odlist|UGC=|MCG=-01-07-023|PGC=9846}}<ref name=SIMBAD>{{cite simbad|title=NGC 991| |
| names = {{odlist|UGC=|MCG=-01-07-023|PGC=9846}}<ref name=SIMBAD>{{cite simbad|title=NGC 991|access-date=2020-06-03}}</ref> |
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}} |
}} |
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'''NGC 991''' is an [[intermediate spiral galaxy]] the [[Cetus|constellation Cetus]]. This galaxy was discovered by [[astronomer]] [[William Herschel]] in 1785.<ref>{{Cite web|url=http://ned.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC%20991|title=Your NED Search Results|website=ned.ipac.caltech.edu|access-date=2020-03-24}}</ref><ref>{{Cite web|url=http://spider.seds.org/ngc/revngcic.cgi?NGC991|title=Revised NGC Data for NGC 991|website=spider.seds.org|access-date=2020-03-24}}</ref><ref>{{Cite web|url=https://in-the-sky.org/data/object.php?id=NGC991|title=The galaxy NGC 991 - In-The-Sky.org|last=Ford|first=Dominic|website=in-the-sky.org|language=en|access-date=2020-03-24}}</ref> |
'''NGC 991''' is an [[intermediate spiral galaxy]] the [[Cetus|constellation Cetus]]. This galaxy was discovered by [[astronomer]] [[William Herschel]] in 1785.<ref>{{Cite web|url=http://ned.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC%20991|title=Your NED Search Results|website=ned.ipac.caltech.edu|access-date=2020-03-24}}</ref><ref>{{Cite web|url=http://spider.seds.org/ngc/revngcic.cgi?NGC991|title=Revised NGC Data for NGC 991|website=spider.seds.org|access-date=2020-03-24}}</ref><ref>{{Cite web|url=https://in-the-sky.org/data/object.php?id=NGC991|title=The galaxy NGC 991 - In-The-Sky.org|last=Ford|first=Dominic|website=in-the-sky.org|language=en|access-date=2020-03-24}}</ref> |
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A [[type Ib supernova]] designated '''SN 1984L''' was discovered in this galaxy in late August 1984 by [[Robert Evans (astronomer)|R. Evans]].<ref name=Wheeler_Levreault_1985>{{cite journal |
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== See also == |
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| title=The peculiar type I supernova in NGC 991 |
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* [[List of NGC objects (1–1000)]] |
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| last1=Wheeler | first1=J. C. | last2=Levreault | first2=R. |
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| journal=Astrophysical Journal |
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| volume=294| pages=L17–L20 | date=July 1985 |
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| doi=10.1086/184500 | bibcode=1985ApJ...294L..17W }}</ref> |
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SN 1984L (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 == |
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{{reflist}} |
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<references /> |
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==External links== |
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* {{commons category-inline}} |
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{{Ngc10}} |
{{Ngc10}} |
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[[Category:Intermediate spiral galaxies]] |
[[Category:Intermediate spiral galaxies]] |
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[[Category:Cetus |
[[Category:Cetus]] |
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[[Category:NGC objects|0991]] |
[[Category:NGC objects|0991]] |
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[[Category:Principal Galaxies Catalogue objects|009846]] |
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{{ |
{{Spiral-galaxy-stub}} |
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| NGC 991 | |
|---|---|
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]
Media related to NGC 991 at Wikimedia Commons
 | This spiral galaxy article is a stub. You can help Wikipedia by expanding it. |
