NGC 7145

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Galaxy
NGC 7145
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AladinLite
Constellation crane
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 21 h 53 m 20.2 s
declination -47 ° 52 ′ 57 ″
Appearance
Morphological type E0  
Brightness  (visual) 11.1 mag
Brightness  (B-band) 12.1 mag
Angular expansion 2.5 ′ × 2.4 ′
Position angle 173 °
Surface brightness 13.1 mag / arcmin²
Physical data
Affiliation LGG 448  
Redshift 0.006561 +/- 0.000033  
Radial velocity 1967 +/- 10 km / s  
Stroke distance
v rad  / H 0
(87 ± 6)  ·  10 6  ly
(26.6 ± 1.9)  Mpc 
history
discovery John Herschel
Discovery date October 2, 1834
Catalog names
NGC  7145 • PGC  67583 • ESO  237-13 • 2MASX  J21532023-4752569 • SGC  215007-4807.1 • GC  4712 • h  3895 • LEDA 67583 • LDCE 1489 NED002

NGC 7145 is an elliptical galaxy of the Hubble type E0 in the constellation Crane in the southern sky . It has an angular dimension of 2.5 '× 2.4' and an apparent magnitude of 11.1 mag. The galaxy is estimated to be 87 million light years away from the Milky Way and has a diameter of around 65,000 ly.
In the same area of ​​the sky is the galaxy NGC 7144 .

The object was discovered by John Herschel on October 2, 1834 .

Web links

Individual evidence

  1. a b c d e f NASA / IPAC Extragalactic Database
  2. a b c SEDS
  3. Seligman