NGC 2890 explained

NGC 2890
Constellation Name:Hydra
Epoch:J2000
Type:S0-:[1]
Dist Ly:NaNMpc
Z:0.017092
H Radial V:5124 ± 29 km/s
Appmag V:14.5
Size V:0.8' x 0.5'
Size:~24.44kpc (estimated)

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). It was discovered by American astronomer Francis Leavenworth on 11 January 1886.[2]

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.[3]

One supernova has been observed in NGC 2890: SN 2023xnl (type Ia, mag 17.5).[4]

See also

Notes and References

  1. Web site: NASA/IPAC Extragalactic Database . Results for NGC 2890 . 4 August 2024.
  2. https://cseligman.com/text/atlas/ngc28a.htm#2890 Celestial Atlas entry for NGC 2890.
  3. https://simbad.u-strasbg.fr/simbad/sim-basic?Ident=ngc+2890&submit=SIMBAD+search SIMBAD database entry for NGC 2890.
  4. https://www.wis-tns.org/object/2023xnl Transient Name Server entry for SN 2023xnl.