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1 See also  





2 References  





3 External links  














NGC 172






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NGC 172
NGC 172 as seen on SDSS
Observation data (J2000 epoch)
ConstellationCetus
Right ascension00h37m 13.6s[1]
Declination−22° 35′ 13[1]
Redshift0.010164[1]
Distance136 Mly[2]
Apparent magnitude (V)15.09[1]
Characteristics
TypeSB(r)bc?[1]
Apparent size (V)2.0' × 0.3'[1]
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.[1]

NGC 172 is a barred spiral galaxy located around 136 million light-years away[2] in the constellation Cetus.[1] It was discovered in 1886 by astronomer Frank Muller.[3]

See also[edit]

References[edit]

  1. ^ a b c d e f g h "Results for NGC 0172". NASA/IPAC Extragalactic Database. Retrieved 2016-09-02.
  • ^ a b 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
  • ^ "New General Catalog Objects: 150 - 199". cseligman.com. Retrieved 2018-02-13.
  • External links[edit]


  • t
  • e

  • Retrieved from "https://en.wikipedia.org/w/index.php?title=NGC_172&oldid=1196803684"

    Categories: 
    Barred spiral galaxies
    NGC objects
    Cetus
    Astronomical objects discovered in 1886
    Discoveries by Frank Muller (astronomer)
    Spiral galaxy stubs
    Hidden categories: 
    Articles with short description
    Short description is different from Wikidata
    Commons category link from Wikidata
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