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]
NGC 740 (Vale Severis) | |
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Observation data (J2000 epoch) | |
Constellation | Triangulum |
Right ascension | 01h 56m 54.867s[1] |
Declination | +33° 00′ 54.63″[1] |
Heliocentric radial velocity | 4,518[2] km/s |
Distance | 198.9 Mly (60.98 Mpc)[2] |
Apparent magnitude (B) | 14.9 |
Characteristics | |
Type | SBb?[3] |
Mass | 2.48×1012[2] M☉ |
Size | 1,100 kly[2] |
Apparent size (V) | 1.017′ × 0.264′[1] |
Other designations | |
UGC 1421, MCG +05-05-031, PGC 7316[4] |
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