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NGC 5162
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| NGC 5162 | |
|---|---|
 NGC 5162 imaged by SDSS | |
| Observation data (J2000 epoch) | |
| Constellation | Virgo |
| Right ascension | 13h 29m 25.9296s[1] |
| Declination | +11° 00′ 28.534″[1] |
| Redshift | 0.022799[1] |
| Heliocentric radial velocity | 6835 ± 1 km/s[1] |
| Distance | 342.8 ± 24.0 Mly (105.09 ± 7.36 Mpc)[1] |
| Apparent magnitude (V) | 13.0[1] |
| Characteristics | |
| Type | Scd?[1] |
| Size | ~326,900 ly (100.22 kpc) (estimated)[1] |
| Apparent size (V) | 2.7′ × 1.4′[1] |
| Other designations | |
| IRAS 13269+1115, 2MASX J13292596+1100285, NGC 5174, UGC 8475, MCG +02-34-018, PGC 47346, CGCG 072-087[1] | |
NGC 5162 is a very large spiral galaxy in the constellation of Virgo. Its velocity with respect to the cosmic microwave background is 7125 ± 20 km/s, which corresponds to a Hubble distance of 342.8 ± 24.0 Mly (105.09 ± 7.36 Mpc).[1] In addition, 11 non redshift measurements give a distance of 303.71 ± 12.41 Mly (93.118 ± 3.806 Mpc).[2] The galaxy was discovered by German-British astronomer William Herschel on 15 March 1784.[3] It was also observed by Lewis Swift on 19 April 1887, resulting in the galaxy being included twice in the New General Catalogue, as both NGC 5162 and NGC 5174.[3]
The SIMBAD database lists NGC 5162 as a LINER galaxy, i.e. a galaxy whose nucleus has an emission spectrum characterized by broad lines of weakly ionized atoms.[4] NGC 5162 is a field galaxy, i.e. it does not belong to a larger galaxy group or cluster and hence is gravitationally alone.[5]
Supernovae
[edit]Two supernovae have been observed in NGC 5162:
- Kōichi Itagaki discovered SN 2007cd (type unknown, mag. 17.5) on 27 April 2007.[6][7]
- The Xingming Observatory Sky Survey discovered SN 2024aawh (Type II, mag. 18.11) on 10 November 2024.[8]
See also
[edit]References
[edit]- ^ a b c d e f g h i j k "Results for object NGC 5162". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 11 November 2024.
- ^ "Distance Results for NGC 5162". NASA/IPAC EXTRAGALACTIC DATABASE. NASA. Retrieved 11 November 2024.
- ^ a b Seligman, Courtney. "NGC 5162". Celestial Atlas. Retrieved 11 November 2024.
- ^ "NGC 5162". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 11 November 2024.
- ^ Turner, E. L.; Gott, J. R., III (1976). "Groups of galaxies. I. A catalog". The Astrophysical Journal Supplement Series. 32: 409. Bibcode:1976ApJS...32..409T. doi:10.1086/190403.
{{cite journal}}: CS1 maint: multiple names: authors list (link) - ^ Nakano, S.; Itagaki, K. (2007). "Supernova 2007cd in NGC 5174". Central Bureau Electronic Telegrams (950): 1. Bibcode:2007CBET..950....1N.
- ^ "SN 2007cd". Transient Name Server. IAU. Retrieved 11 November 2024.
- ^ "SN 2024aawh". Transient Name Server. IAU. Retrieved 20 November 2024.
External links
[edit]
Media related to NGC 5174 at Wikimedia Commons- NGC 5162 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
