| NGC 3087 | |
|---|---|
 The elliptical galaxy NGC 3087. | |
| Observation data (J2000 epoch) | |
| Constellation | Antlia |
| Right ascension | 09h 59m 08.66s[1] |
| Declination | −34° 13′ 30.8″[1] |
| Redshift | 0.008913 [1] |
| Heliocentric radial velocity | 2672 ± 21 km/s[1] |
| Distance | 143.7 ± 10.2 Mly (44.05 ± 3.13 Mpc)[1] |
| Apparent magnitude (V) | 10.5[1] |
| Characteristics | |
| Type | cD:[1] |
| Size | ~114,100 ly (34.99 kpc) (estimated)[1] |
| Apparent size (V) | 2.0' x 2.0'[1] |
| Other designations | |
| PGC 28845, ESO 374- G 015, MCG -06-22-005, 2MASX J09590864-3413307[1] | |
NGC 3087 is an elliptical galaxy in the constellation of Antlia. Its velocity with respect to the cosmic microwave background is 2987 ± 30 km/s, which corresponds to a Hubble distance of 44.05 ± 3.13 Mpc (∼144 million light-years).[1] It was discovered by British astronomer John Herschel on 2 February 1835.[2]
One supernova has been observed in NGC 3087: SN 2023mdv (type Ia, mag 18.3).[3]
NGC 3038 group
[edit]According to A. M. Garcia, NGC 3087 is part of the six member NGC 3038 Group (also known as LGG 184). The other four galaxies are NGC 3038, NGC 3120, IC 2532, ESO 373–21, and ESO 373–26.[4]
See also
[edit]References
[edit]- ^ a b c d e f g h i j k "NASA/IPAC Extragalactic Database". Results for NGC 3087. Retrieved 6 August 2024.
- ^ Celestial Atlas entry for NGC 3087. Retrieved 6 August 2024.
- ^ Transient Name Server entry for SN 2023mdv. Retrieved 6 August 2024.
- ^ A.M. Garcia, "General study of group membership. II – Determination of nearby groups", Astronomy and Astrophysics Supplement Series, vol. 100 #1, July 1993, pp. 47–90 (Bibcode 1993A&AS.. 100...47G) Retrieved 6 August 2024.
External links
[edit]
Media related to NGC 3087 at Wikimedia Commons- NGC 3087 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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