NGC 5442
| NGC 5442 | |
|---|---|
 NGC 5442 imaged by SDSS | |
| Observation data (J2000 epoch) | |
| Constellation | Virgo |
| Right ascension | 14h 04m 43.1985s |
| Declination | −09° 42′ 48.128″ |
| Redshift | 0.028630±0.0000730 |
| Heliocentric radial velocity | 8,583±22 km/s |
| Distance | 426.0 ± 29.9 Mly (130.61 ± 9.16 Mpc) |
| Apparent magnitude (V) | 14.5 |
| Characteristics | |
| Type | SB(s)b pec |
| Size | ~192,000 ly (58.88 kpc) (estimated) |
| Apparent size (V) | 1.2′ × 0.5′ |
| Other designations | |
| IRAS 14020-0928, MCG -01-36-006, PGC 50189, VV 691 | |
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). It was discovered by German astronomer Albert Marth on 11 January 1865.
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.
- SN 2011bz (Type Ia, mag. 17.4) was discovered by the Catalina Real-time Transient Survey on 24 April 2011.
- SN 2024jrx (Type II, mag. 19.3244) was discovered by Automatic Learning for the Rapid Classification of Events (ALeRCE) on 27 May 2024.
See also
References
- 1 2 3 4 5 6 7 8 9 10 11 "Results for object NGC 5442". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 18 August 2025.
- ↑ Seligman, Courtney. "New General Catalogue Objects: NGC 5442". Celestial Atlas. Retrieved 18 August 2025.
- ↑ Schwartz, M.; Li, W. D. (February 2001). "Supernova 2001U in NGC 5442". International Astronomical Union Circular (7583): 1. Bibcode:2001IAUC.7583....1S.
- ↑ "SN 2001U". Transient Name Server. IAU. Retrieved 18 August 2025.
- ↑ Howerton, S.; et al. (April 2011). "Supernova 2011bz in NGC 5442 = Psn J14044453-0943160". Central Bureau Electronic Telegrams (2709): 1. Bibcode:2011CBET.2709....1H.
- ↑ "SN 2011bz". Transient Name Server. IAU. Retrieved 18 August 2025.
- ↑ "SN 2024jrx". Transient Name Server. IAU. Retrieved 18 August 2025.
External links
Media related to NGC 5442 at Wikimedia Commons- NGC 5442 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
