NGC 1391

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Galaxy
NGC 1391
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NGC 1391 [1]
NGC 1391
AladinLite
Constellation Eridanus
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 03 h 38 m 52.961 s
declination -18 ° 21 ′ 14.84 ″
Appearance
Morphological type SB (s) 0  
Brightness  (visual) 13.4 mag
Brightness  (B-band) 14.4 mag
Angular expansion 1.2 ′ × 0.5 ′
Position angle 65 °
Surface brightness 12.7 mag / arcmin²
Physical data
Affiliation NGC 1400 group  
Redshift 0.014440 ± 0.000130  
Radial velocity 4329 ± 39 km / s  
Stroke distance
v rad  / H 0
(190 ± 13)  ·  10 6  ly
(58.2 ± 4.1)  Mpc 
history
discovery Francis Leavenworth
Discovery date 1886
Catalog names
NGC  1391 • PGC  13436 • ESO  548-059 • MCG  -03-10-020 • 2MASX  J03385297-1821146 • SGC  033638-1831.0 • GALEX ASC J033853.01-182114.0 • LDCE 252 NED003 • WISEA J033852.98-182114.8

NGC 1391 is a lenticular galaxy of the Hubble type SB0 in the constellation Eridanus in the southern sky . It is estimated to be 190 million light-years from the Milky Way and about 65,000 light-years across. Presumably it forms a gravitationally bound galaxy pair together with NGC 1394 . The galaxy is a member of the NGC 1400 group. In the same area of ​​the sky are u. a. the galaxies NGC 1383 , NGC 1393 , NGC 1402 , IC 343 .

The object was discovered by Francis Leavenworth in 1886 and later listed in the New General Catalog by Johann Dreyer .

Web links

Individual evidence

  1. ^ Aladin Lite
  2. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  3. a b c d e f SEDS : NGC 1391
  4. Seligman