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NGC 6142
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| NGC 6142 | |
|---|---|
 NGC 6142 imaged by SDSS | |
| Observation data (J2000 epoch) | |
| Constellation | Corona Borealis |
| Right ascension | 16h 23m 21.0702s[1] |
| Declination | +37° 15′ 30.466″[1] |
| Redshift | 0.033843±0.0000113[1] |
| Heliocentric radial velocity | 10,146±3 km/s[1] |
| Distance | 489.7 ± 34.3 Mly (150.15 ± 10.51 Mpc)[1] |
| Group or cluster | Abell 2199 |
| Apparent magnitude (V) | 14.3g[1] |
| Characteristics | |
| Type | Sb[1] |
| Size | ~295,700 ly (90.66 kpc) (estimated)[1] |
| Apparent size (V) | 1.75′ × 0.59′[1] |
| Other designations | |
| 2MASX J16232109+3715305, UGC 10366, MCG +06-36-041, PGC 57984, CGCG 196-056[1] | |
NGC 6142 is a large spiral galaxy in the constellation of Corona Borealis. Its velocity with respect to the cosmic microwave background is 10,180±4 km/s, which corresponds to a Hubble distance of 489.7 ± 34.3 Mly (150.15 ± 10.51 Mpc).[1] It was discovered by German-British astronomer William Herschel on 30 May 1791.[2][3]
Galaxy cluster
[edit]NGC 6142 is a member of the galaxy cluster known as Abell 2199.[4][5]
Supernova
[edit]One supernova has been observed in NGC 6142:
- SN 2006R (Type Ia, mag. 17.5) was discovered by Tim Puckett and Alex Langoussis on 26 January 2006.[6][7]
See also
[edit]References
[edit]- ^ a b c d e f g h i j k "Results for object NGC 6142". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 8 February 2026.
- ^ Herschel, William (1802). "Catalogue of 500 New Nebulae, Nebulous Stars, Planetary Nebulae, and Clusters of Stars; with Remarks on the Construction of the Heavens". Philosophical Transactions of the Royal Society of London. 92: 477–528. Bibcode:1802RSPT...92..477H. doi:10.1098/rstl.1802.0021.
- ^ Seligman, Courtney. "New General Catalogue Objects: NGC 6142". Celestial Atlas. Retrieved 8 February 2026.
- ^ Lee, Gwang-Ho; Hwang, Ho Seong; Lee, Myung Gyoon; Ko, Jongwan; Sohn, Jubee; Shim, Hyunjin; Diaferio, Antonaldo (2015). "Galaxy Evolution in the Mid-infrared Green Valley: A Case of the A2199 Supercluster". The Astrophysical Journal. 800 (2): 80. arXiv:1412.3996. Bibcode:2015ApJ...800...80L. doi:10.1088/0004-637X/800/2/80.
- ^ "NGC 6142". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 8 February 2026.
- ^ Li, W.; Puckett, T.; Langoussis, A.; Gagliano, R. (2006). "Supernovae 2006Q, 2006R, 2006S". International Astronomical Union Circular (8664): 2. Bibcode:2006IAUC.8664....2L.
- ^ "SN 2006R". Transient Name Server. IAU. Retrieved 8 February 2026.
External links
[edit]
Media related to NGC 6142 at Wikimedia Commons- NGC 6142 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
