NGC 7444

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Galaxy
NGC 7444
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AladinLite
Constellation Aquarius
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 23 h 00 m 08.9 s
declination -12 ° 50 ′ 03 ″
Appearance
Morphological type SB (r) 0 ^ / sp  
Brightness  (visual) 12.9 mag
Brightness  (B-band) 13.9 likes
Angular expansion 1.7 ′ × 0.6 ′
Position angle 1 °
Surface brightness 12.8 mag / arcmin²
Physical data
Affiliation LGG 468  
Redshift 0.010494 +/- 0.000150  
Radial velocity 3146 +/- 45 km / s  
Stroke distance
v rad  / H 0
(145 ± 10)  ·  10 6  ly
(44.4 ± 3.2)  Mpc 
history
discovery William Herschel
Discovery date October 3, 1785
Catalog names
NGC  7444 • PGC  70219 • MCG  -02-58-016 • 2MASX  J23000897-1250034 • GC  4877 • H  II 451 • h  2198 • LDCE 1549 NED002

NGC 7444 is a lenticular galaxy of Hubble type S0 in the constellation Aquarius on the ecliptic . It is estimated to be 145 million light years away from the Milky Way and has a diameter of around 70,000 ly.
It is likely to form a gravitationally bound pair of galaxies with NGC 7443 .

The object was discovered by Wilhelm Herschel on October 3, 1785 .

Web links

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS : NGC 7444
  3. ^ VizieR
  4. Seligman