NGC 172

NGC 172
NGC 172 as seen on SDSS
Observation data (J2000 epoch)
ConstellationCetus
Right ascension00h 37m 13.6s
Declination−22° 35′ 13″
Redshift0.010164
Distance136 Mly
Apparent magnitude (V)15.09
Characteristics
TypeSB(r)bc?
Apparent size (V)2.0' × 0.3'
Other designations
ESO 474- G 005, MCG -04-02-027, 2MASX J00371359-2235132, 2MASXi J0037135-223513, IRAS 00348-2251, IRAS F00347-2012, ESO-LV 4740050, 6dF J0037136-223513, PGC 2228.

NGC 172 is a barred spiral galaxy located around 136 million light-years away in the constellation Cetus. It was discovered in 1886 by astronomer Frank Muller. The galaxy has an edge-on orientation when viewed from Earth.

See also

References

  1. 1 2 3 4 5 6 7 8 "Results for NGC 0172". NASA/IPAC Extragalactic Database. Retrieved 2016-09-02.
  2. 1 2 An object's distance from Earth can be determined using Hubble's law: v=Ho is Hubble's constant (70±5 (km/s)/Mpc). The relative uncertainty Δd/d divided by the distance is equal to the sum of the relative uncertainties of the velocity and v=Ho
  3. ↑ "New General Catalog Objects: 150 - 199". cseligman.com. Retrieved 2018-02-13.