NGC 2672 | |
---|---|
![]() NGC 2672 (center) and NGC 2673 (left) imaged bySDSS | |
Observation data (J2000epoch) | |
Constellation | Cancer |
Right ascension | 08h 49m 21.8884s[1] |
Declination | +19° 04′ 29.947″[1] |
Redshift | 0.014487[1] |
Heliocentric radial velocity | 4,343±10 km/s[1] |
Distance | 221.8 ± 15.6 Mly (68.01 ± 4.77 Mpc)[1] |
Group orcluster | Arp 167 |
Apparent magnitude (V) | 11.7[1] |
Characteristics | |
Type | E1-2[1] |
Size | ~162,200 ly (49.74 kpc) (estimated)[1] |
Apparent size (V) | 3.0′ × 2.8′[1] |
Other designations | |
HOLM 99A,Arp 167,UGC 4619,MCG +03-23-010,PGC 24790,CGCG 090-019 NED01,KPG 175A[1] |
NGC 2672 is aelliptical galaxy in theconstellation ofCancer. Its velocity with respect to thecosmic microwave background is4,611±21 km/s, which corresponds to aHubble distance of 221.8 ± 15.6 Mly (68.01 ± 4.77 Mpc).[1] Additionally, 11non-redshift measurements give a distance of 188.93 ± 19.72 Mly (57.927 ± 6.045 Mpc).[2] It was discovered by German-British astronomerWilliam Herschel on 14 March 1784.[3]
TheSIMBAD database lists NGC 2672 as anActive Galaxy Nucleus Candidate, i.e. it has a compact region at the center of a galaxy that emits a significant amount of energy across the electromagnetic spectrum, with characteristics indicating that this luminosity is not produced by the stars.[4]
NGC 2672 is listed with the galaxyNGC 2673 asHolm 99 inErik Holmberg'sA Study of Double and Multiple Galaxies Together with Inquiries into some General Metagalactic Problems, published in 1937.[5] These two galaxies are also listed inHalton Arp'sAtlas of Peculiar Galaxies asArp 167, with the description "Comp. galaxy very condensed, has curved plume."[6] Another study indicates that the two galaxies are interacting and NGC 2673 has two tidal plumes, while NGC 2672 is only weakly disturbed.[7]
Onesupernova has been observed in NGC 2672: SN 1938B (type unknown, mag. 15.5) was discovered byArno Wachmann in 1938.[8]
On 29 January 1953 it was occulted by theMoon during aTotal Lunar Eclipse (theJanuary 1953 lunar eclipse) over theSouth Atlantic and extreme south ofAfrica.[9]: 160