NGC 907

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Galaxy
NGC 907
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Galaxientrio KTS 16
Galaxientrio KTS 16
AladinLite
Constellation whale
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 02 h 23 m 01.9 s
declination -20 ° 42 ′ 43 ″
Appearance
Morphological type SBdm? / sp / HII  
Brightness  (visual) 12.6 mag
Brightness  (B-band) 13.2 mag
Angular expansion 2 ′ × 0.6 ′
Position angle 87 °
Surface brightness 12.6 mag / arcmin²
Physical data
Affiliation NGC 908 group
LGG 56  
Redshift 0.005519 ± 0.000020  
Radial velocity 1655 ± 6 km / s  
Stroke distance
v rad  / H 0
(72 ± 5)  x  10 6  ly
(22.1 ± 1.6)  Mpc 
history
discovery Wilhelm Herschel
Discovery date October 20, 1784
Catalog names
NGC  907 • PGC  9054 • ESO  545-010 • MCG  -04-06-034 • IRAS  2207-2056 • 2MASX  J02230293-2042426 • SGC  22043-2056.2 • GC  535 • H  III 224 • h  2477 • HIPASS J0223-20 • KTS 16C

NGC 907 is a barred spiral galaxy with extensive star formation from Hubble type SBd in the constellation Cetus south of the ecliptic . It is around 72 million light years away from the Milky Way and has a diameter of around 40,000 ly. Together with NGC 899 and IC 223 , it forms the gravitationally bound galaxy trio KTS 16 .

The object was discovered by William Herschel on October 20, 1784 .

Web links

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 907
  3. Seligman