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NGC 2008 information


NGC 2008
Observation data (J2000 epoch)
ConstellationPictor
Right ascension05h 35m 03s
Declination-50° 58 00″
Distance425 million
Apparent magnitude (B)14.64
Surface brightness23.27 mag/arcsec2
Other designations
  • PGC 17480
  • ESO 204-20
  • AM 0533-505

NGC 2008 is a distant spiral galaxy located in the constellation Pictor. Its speed relative to the cosmic microwave background is 10,367 ± 11 km/s, which corresponds to a Hubble distance of 153 ± 11 Mpc (~499 million ly).[1] NGC 2008 was discovered by British astronomer John Herschel in 1834. The luminosity class of NGC 2008 is III.[1]

To date, four non-redshift measurements yield a distance of 135.750 ± 10.521 Mpc (~443 million ly), which is within the Hubble distance range. Note, however, that it is with the average value of independent measurements, when they exist, that the NASA/IPAC database[2] calculates the diameter of a galaxy and that consequently the diameter of NGC 2008 could be approximately 77 kpc (~253,000 ly)[2] if we used the Hubble distance to calculate it.[2]

According to Soares and his colleagues, NGC 2007 and NGC 2008 form a pair of galaxies. However, the Hubble distance of NGC 2007 is 67.57 ± 4.73 Mpc (~220 million ly). These two galaxies therefore form a purely optical pair.[3]

  1. ^ a b "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-06-02.
  2. ^ a b c astrovalleyfield.ca http://astrovalleyfield.ca/AstronomieCompl/NGC%20et%20autres/WolfgangS/N2000_exc_web.htm. Retrieved 2024-06-02. {{cite web}}: Missing or empty |title= (help)
  3. ^ "New General Catalog Objects: NGC 2000 - 2049". cseligman.com. Retrieved 2024-06-02.

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