NGC 958

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Galaxy
NGC 958
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SDSS recording
SDSS recording
AladinLite
Constellation whale
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 02 h 30 m 42.8 s
declination -02 ° 56 ′ 20 ″
Appearance
Morphological type SB (rs) c: / LIRG / HII  
Brightness  (visual) 12.2 mag
Brightness  (B-band) 12.9 mag
Angular expansion 2.9 ′ × 0.9 ′
Position angle 10 °
Surface brightness 13.1 mag / arcmin²
Physical data
Redshift 0.019140 ± 0.00002  
Radial velocity 5738 ± 6 km / s  
Stroke distance
v rad  / H 0
(257 ± 18)  ·  10 6  ly
(78.7 ± 5.5)  Mpc 
history
discovery William Herschel
Discovery date September 20, 1784
Catalog names
NGC  958 • PGC  9560 • MCG  -01-07-019 • IRAS  2281-0309 • 2MASX  J02304283-0256204 • GC  554 • H  II 237 • h  230 • HIPASS J0230-02

NGC 958 is an active barred spiral galaxy with extensive star formation from Hubble type SBc in the constellation Cetus south of the ecliptic . It is estimated to be 257 million light years from the Milky Way and about 220,000 ly in diameter.

The Type Ia supernova SN 2005A was observed here.

The object was on September 20, 1784 by Wilhelm Herschel .

Web links

Commons : NGC 958  - collection of images, videos, and audio files

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS : NGC 958
  3. Simbad
  4. Seligman