NGC 898

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Galaxy
NGC 898
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NGC 0898 DSS.jpg
AladinLite
Constellation Andromeda
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 02 h 23 m 20.4 s
declination + 41 ° 57 ′ 05 ″
Appearance
Morphological type Sab edge-on  
Brightness  (visual) 13.1 mag
Brightness  (B-band) 13.9 likes
Angular expansion 1.8 ′ × 0.4 ′
Position angle 170 °
Surface brightness 12.6 mag / arcmin²
Physical data
Affiliation NGC 891 group  
Redshift 0.018329 ± 0.00006  
Radial velocity 5495 ± 18 km / s  
Stroke distance
v rad  / H 0
(251 ± 18)  x  10 6  ly
(77.1 ± 5.4)  Mpc 
history
discovery William Herschel
Discovery date October 17, 1786
Catalog names
NGC  898 • UGC  1842 • PGC  9073 • MCG  + 07-06-004 • IRAS  2201 + 4143 • 2MASX  J02232039 + 4157052 • GC  533 • H  III 570 • GALEXMSC J022320.25 + 415708.5 • LDCE 224 NED009

NGC 898 is an edge-on spiral galaxy of the Hubble type Sab in the constellation Andromeda in the northern sky . It is estimated to be 251 million light years away from the Milky Way and has a diameter of about 130,000 ly.
In the same area of ​​the sky are the galaxies NGC 891 , NGC 906 , NGC 909 , NGC 910 , among others .

The object was discovered by Wilhelm Herschel on October 17, 1786 .

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 898
  3. Seligman