NGC 259

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Galaxy
NGC 259
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NGC 259 [1] SDSS image
NGC 259 SDSS image
AladinLite
Constellation whale
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 00 h 48 m 03.29 s
declination -02 ° 46 ′ 31.2 ″
Appearance
Morphological type Sbc: / sp / HII  
Brightness  (visual) 12.8 mag
Brightness  (B-band) 13.6 mag
Angular expansion 2.9 ′ × 0.6 ′
Position angle 139 °
Surface brightness 13.3 mag / arcmin²
Physical data
Affiliation NGC 271 group
LGG 13  
Redshift 0.013492 ± 0.000021  
Radial velocity 4045 ± 6 km / s  
Stroke distance
v rad  / H 0
(184 ± 13)  x  10 6  ly
(56.4 ± 4.0)  Mpc 
history
discovery Wilhelm Herschel
Discovery date December 13, 1786
Catalog names
NGC  259 • PGC  2820 • MCG  -01-03-015 • IRAS  00455-0302 • 2MASX  J00480328-0246310 • GC  144/145 • H  II 621 • II 703 • h  63/64 • GALEX ASC J004803.37-024630.6 • LDCE 48 NED003 • Stile 22A

NGC 259 is a spiral galaxy with extensive star formation regions of the Hubble type Sbc in the constellation Whale south of the celestial equator . It is estimated to be 184 million light years from the Milky Way and about 155,000 light years across. Together with six other galaxies, it forms the NGC 271 group ( LGG 13 ).
In the same area of ​​the sky is u. a. the galaxy NGC 331 .

The object was discovered on December 13, 1786 by the German-British astronomer Wilhelm Herschel .

Web links

Commons : NGC 259  - collection of images, videos, and audio files

Individual evidence

  1. ^ Aladin Lite
  2. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  3. a b c d e f SEDS : NGC 259
  4. ^ VizieR
  5. Seligman