NGC 740

NGC 740 (Vale Severis)
NGC 740 imaged by the Sloan Digital Sky Survey
Observation data (J2000 epoch)
ConstellationTriangulum
Right ascension01h 56m 54.867s[1]
Declination+33° 00′ 54.63″[1]
Heliocentric radial velocity4,518[2] km/s
Distance198.9 Mly (60.98 Mpc)[2]
Apparent magnitude (B)14.9
Characteristics
TypeSBb?[3]
Mass2.48×1012[2] M
Size1,100 kly[2]
Apparent size (V)1.017 × 0.264′[1]
Other designations
UGC 1421, MCG +05-05-031, PGC 7316[4]

NGC 740 is a barred spiral galaxy located in the Triangulum constellation. It is estimated to be 210 million light-years from the Milky Way and has a diameter of about 85,000 light-years. It was discovered by the Irish engineer Bindon Stoney, an assistant to William Parsons.[5][6][7]

  1. ^ a b c Cite error: The named reference Skrutskie2006 was invoked but never defined (see the help page).
  2. ^ a b c d Cite error: The named reference Crook2007 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference vaucoulerus1991 was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Rojas was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference DOCdb was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference NED was invoked but never defined (see the help page).