NGC 5745

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Galaxy
NGC 5745
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AladinLite
Constellation Libra
Position
equinoxJ2000.0 , epoch : J2000.0
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

  • NGC 5745. SIMBAD, accessed April 17, 2016 .
  • NGC 5745. DSO Browser, accessed April 17, 2016 .

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS : NGC 5745
  3. according to Frommert: without own number; 14.5 mag; 0.3 ′ × 0.3 ′
  4. according to Frommert: without own number; 15.5 mag; 0.2 ′ × 0.2 ′
  5. Seligman
  6. Auke Slotegraaf: NGC 5745. Deep Sky Observer's Companion, accessed on April 17, 2016 (English).