Astronomy:NGC 4774
From HandWiki
| NGC 4774 | |
|---|---|
 The ring galaxy NGC 4774 | |
| Observation data (J2000 epoch) | |
| Constellation | Canes Venatici |
| Right ascension | 12h 53m 06.6714s[1] |
| Declination | +36° 49′ 06.59″[1] |
| Redshift | 0.027823[1] |
| Helio radial velocity | 8341 ± 17 km/s[1] |
| Distance | 412.8 ± 28.9 Mly (126.56 ± 8.87 Mpc)[1] |
| Apparent magnitude (V) | 14.3[1] |
| Characteristics | |
| Type | RING?[1] |
| Size | ~74,800 ly (22.93 kpc) (estimated)[1] |
| Apparent size (V) | 0.6′ × 0.4′[1] |
| Other designations | |
| IRAS 12507+3705, MCG+06-28-037, PGC 43759[1] | |
NGC 4774, also known as the Kidney Bean Galaxy,[2] is a ring galaxy in the constellation of Canes Venatici. Its velocity with respect to the cosmic microwave background is 8581 ± 24 km/s, which corresponds to a Hubble distance of 126.56 ± 8.87 Mpc (~413 million light-years).[1] It was discovered by German-British astronomer William Herschel on 17 March 1787.[2]
Supernovae
Two supernovae have been observed in NGC 4774:
- SN 2013he (Type II-P, mag. 16.5) was discovered by the Italian Supernovae Search Project on 9 December 2013.[3][4]
- SN 2021cjd (Type II-P, mag. 20.2) was discovered by the Zwicky Transient Facility on 7 February 2021.[5]
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 4774". NASA and Caltech. https://ned.ipac.caltech.edu/byname?objname=NGC+4774.
- ↑ 2.0 2.1 Celestial Atlas entry for NGC 4744. Retrieved 29 July 2024.
- ↑ Leonini, S.; Guerrini, G.; Rosi, P.; Tinjaca Ramirez, L. M.; Conti, M.; Brimacombe, J.; Tomasella, L.; Ochner, P. et al. (2013). "Supernova 2013he in NGC 4774 = PSN J12530627+364900 = PSN J12530627+3649001". Central Bureau Electronic Telegrams (3750): 1. Bibcode: 2013CBET.3750....1L.
- ↑ "SN 2013he". IAU. https://www.wis-tns.org/object/2013he.
- ↑ "SN 2021cjd". IAU. https://www.wis-tns.org/object/2021cjd.
External links
- NGC 4774 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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