NGC 698

from Wikipedia, the free encyclopedia
Galaxy
NGC 698
{{{Card text}}}
NGC 0698 DSS.jpg
AladinLite
Constellation Chemical furnace
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 01 h 49 m 43.7 s
declination -34 ° 49 ′ 52 ″
Appearance
Morphological type (R) SA (r) b / HII  
Brightness  (visual) 14.0 mag
Brightness  (B-band) 14.8 mag
Angular expansion 0.9 ′ × 0.8 ′
Position angle 164 °
Surface brightness 13.5 mag / arcmin²
Physical data
Redshift 0.027500 ± 0.000210  
Radial velocity 8244 ± 63 km / s  
Stroke distance
v rad  / H 0
(366 ± 26)  x  10 6  ly
(112.1 ± 7.9)  Mpc 
history
discovery John Herschel
Discovery date November 29, 1837
Catalog names
NGC  698 • PGC  6710 • ESO  353-051 • MCG  -06-05-005 • IRAS  F01475-3504 • 2MASX  J01494371-3449517 • SGC  014731-3504.7 • GC  417 • GALEX ASC J014943.64-344950.1

NGC 698 is a 14  mag bright bar spiral galaxy of the Hubble type SBab in the constellation Fornax in the southern sky . It is estimated to be 366 million light years from the Milky Way and about 100,000 light years in diameter. It probably forms a gravitationally bound galaxy pair with NGC 696 . In the same area of ​​the sky is u. a. the galaxy IC 1739 .

The object was discovered on November 29, 1837 by the British astronomer John Herschel .

Web links

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 698
  3. Seligman