NGC 5745
Galaxy NGC 5745 |
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AladinLite | |
Constellation | Libra |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 14 h 45 m 02.1 s |
declination | -13 ° 56 ′ 46 ″ |
Appearance | |
Morphological type | Sa pec sp |
Brightness (visual) | 13.4 mag |
Brightness (B-band) | 14.2 mag |
Angular expansion | 1.7 ′ × 1.2 ′ |
Position angle | 77 ° |
Surface brightness | 14.0 mag / arcmin² |
Physical data | |
Redshift | 0.023570 ± 0.000067 |
Radial velocity | (7066 ± 20) km / s |
Stroke distance v rad / H 0 |
(313 ± 22) x 10 6 ly (96.1 ± 6.7) Mpc |
history | |
discovery | John Herschel |
Discovery date | June 5, 1836 |
Catalog names | |
NGC 5745 • PGC 52669 • MCG -02-38-04 • IRAS 14423-1344 • VV 98 • GC 3986 • h 3579 • |
NGC 5745 , also called NGC 5745-1 and NGC 5745B , is a 13.4 mag bright spiral galaxy of the Hubble type Sa in the constellation Libra . Together with the significantly smaller objects NGC 5745-2 and NGC 5745-3 overlying them, it forms a kind of “super galaxy” and was discovered by John Herschel on June 5, 1836 with an 18-inch reflector telescope, which “vF, E, pslbM, 20 arcseconds "noted.
Web links
Individual evidence
- ↑ a b c d NASA / IPAC EXTRAGALACTIC DATABASE
- ↑ a b c d e SEDS : NGC 5745
- ↑ according to Frommert: without own number; 14.5 mag; 0.3 ′ × 0.3 ′
- ↑ according to Frommert: without own number; 15.5 mag; 0.2 ′ × 0.2 ′
- ↑ Seligman
- ↑ Auke Slotegraaf: NGC 5745. Deep Sky Observer's Companion, accessed on April 17, 2016 (English).