Astronomy:NGC 5442
From HandWiki
| NGC 5442 | |
|---|---|
 NGC 5442 imaged by SDSS | |
| Observation data (J2000 epoch) | |
| Constellation | Virgo |
| Right ascension | 14h 04m 43.1985s[1] |
| Declination | −09° 42′ 48.128″[1] |
| Redshift | 0.028630±0.0000730[1] |
| Helio radial velocity | 8,583±22 km/s[1] |
| Distance | 426.0 ± 29.9 Mly (130.61 ± 9.16 Mpc)[1] |
| Apparent magnitude (V) | 14.5[1] |
| Characteristics | |
| Type | SB(s)b pec[1] |
| Size | ~192,000 ly (58.88 kpc) (estimated)[1] |
| Apparent size (V) | 1.2′ × 0.5′[1] |
| Other designations | |
| IRAS 14020-0928, MCG-01-36-006, PGC 50189[1] | |
NGC 5442 is a barred spiral galaxy in the constellation of Virgo. Its velocity with respect to the cosmic microwave background is 6,130±26 km/s, which corresponds to a Hubble distance of 294.9 ± 20.7 Mly (90.41 ± 6.34 Mpc).[1] It was discovered by German astronomer Albert Marth on 11 January 1865.[2]
Supernovae
Three supernovae have been observed in NGC 5442:
- SN 2001U (Type Ia, mag. 17.7) was discovered by LOTOSS (Lick Observatory and Tenagra Observatory Supernova Searches) on 3 February 2001.[3][4]
- SN 2011bz (Type Ia, mag. 17.4) was discovered by the Catalina Real-time Transient Survey on 24 April 2011.[5][6]
- SN 2024jrx (Type II, mag. 19.3244) was discovered by Automatic Learning for the Rapid Classification of Events (ALeRCE) on 27 May 2024.[7]
See also
References
- ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 "Results for object NGC 5442". NASA and Caltech. https://ned.ipac.caltech.edu/byname?objname=NGC+5442.
- ↑ Seligman, Courtney. "New General Catalogue Objects: NGC 5442". https://cseligman.com/text/atlas/ngc54.htm#5442.
- ↑ Schwartz, M.; Li, W. D. (February 2001). "Supernova 2001U in NGC 5442". International Astronomical Union Circular 7583: 1. Bibcode: 2001IAUC.7583....1S. http://www.cbat.eps.harvard.edu/iauc/07500/07583.html#Item1.
- ↑ "SN 2001U". IAU. https://www.wis-tns.org/object/2001U.
- ↑ Howerton, S. et al. (April 2011). "Supernova 2011bz in NGC 5442 = Psn J14044453-0943160". Central Bureau Electronic Telegrams 2709: 1. Bibcode: 2011CBET.2709....1H. http://www.cbat.eps.harvard.edu/iau/cbet/002700/CBET002709.txt.
- ↑ "SN 2011bz". IAU. https://www.wis-tns.org/object/2011bz.
- ↑ "SN 2024jrx". IAU. https://www.wis-tns.org/object/2024jrx.
External links
- NGC 5442 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
Coordinates: 
14h 04m 43.1985s, −09° 42′ 48.128″
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