NGC 3087 explained

NGC 3087
Constellation Name:	Antlia
Epoch:	J2000
Type:	cD:^[1]
Dist Ly:	NaNMpc
Z:	0.008913
H Radial V:	2672 ± 21 km/s
Appmag V:	10.5
Size V:	2.0' x 2.0'
Size:	~34.99kpc (estimated)
Names:	, ESO 374- G 015

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). 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

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

• List of NGC objects (3001–4000)

Notes and References

1. Web site: NASA/IPAC Extragalactic Database . Results for NGC 3087 . 6 August 2024.
2. https://cseligman.com/text/atlas/ngc30a.htm#3087 Celestial Atlas entry for NGC 3087.
3. https://www.wis-tns.org/object/2023mdv Transient Name Server entry for SN 2023mdv.
4. https://ui.adsabs.harvard.edu/abs/1993A%26AS..100...47G/abstract 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)