Astronomy:NGC 2890
From HandWiki
| NGC 2890 | |
|---|---|
 NGC 2890 imaged by Pan-STARRS | |
| Observation data (J2000 epoch) | |
| Constellation | Hydra |
| Right ascension | 09h 26m 29.8289s[1] |
| Declination | −14° 31′ 43.135″[1] |
| Redshift | 0.017092[1] |
| Helio radial velocity | 5124 ± 29 km/s[1] |
| Distance | 262.4 ± 18.5 Mly (80.45 ± 5.67 Mpc)[1] |
| Apparent magnitude (V) | 14.5[1] |
| Characteristics | |
| Type | S0-:[1] |
| Size | ~79,700 ly (24.44 kpc) (estimated)[1] |
| Apparent size (V) | 0.8′ × 0.5′[1] |
| Other designations | |
| MCG-02-24-024, PGC 26778[1] | |
NGC 2890 is a lenticular galaxy in the constellation of Hydra. Its velocity with respect to the cosmic microwave background is 5455 ± 37 km/s, which corresponds to a Hubble distance of 80.45 ± 5.67 Mpc (~263 million light-years).[1] It was discovered by American astronomer Francis Leavenworth on 11 January 1886.[2][3]
The SIMBAD database lists NGC 2890 as a Seyfert II Galaxy, i.e. it has a quasar-like nuclei with very high surface brightnesses whose spectra reveal strong, high-ionisation emission lines, but unlike quasars, the host galaxy is clearly detectable.[4]
One supernova has been observed in NGC 2890: SN 2023xnl (Type Ia, mag 17.4931) was discovered by the Zwicky Transient Facility on 11 November 2023.[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 2890". NASA and Caltech. https://ned.ipac.caltech.edu/byname?objname=NGC+2890.
- ↑ Celestial Atlas entry for NGC 2890. Retrieved 4 August 2024.
- ↑ Seligman, Courtney. "New General Catalogue Objects: NGC 2890". https://cseligman.com/text/atlas/ngc28a.htm#2890.
- ↑ "NGC 2890". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+2890.
- ↑ "SN 2023xnl". IAU. https://www.wis-tns.org/object/2023xnl.
External links
- NGC 2890 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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