NGC 440

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Galaxy
NGC 440
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NGC 440. [1]
NGC 440.
AladinLite
Constellation Toucan
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 01 h 12 m 48.50 s
declination -58 ° 16 ′ 56.2 ″
Appearance
Morphological type SA (s) bc  
Brightness  (visual) 12.9 mag
Brightness  (B-band) 13.7 mag
Angular expansion 1.9 ′ × 1.4 ′
Position angle 94 °
Surface brightness 12.6 mag / arcmin²
Physical data
Affiliation NGC 434 group
LGG 19  
Redshift 0.016725 ± 0.000067  
Radial velocity 5014 ± 20 km / s  
Stroke distance
v rad  / H 0 		(219 ± 15)  x  10 6  ly
(67.2 ± 4.7)  Mpc 
history
discovery John Herschel
Discovery date September 27, 1834
Catalog names
NGC  440 • PGC  4361 • ESO  113-025 • 2MASX  J01124849-5816560 • SGC  011048-5832.8 • GC  247 • h  2396 • GALEX ASC J011248.23-581656.2 • LDCE 73 NED003 • KTS 8C

NGC 440 is a spiral galaxy of Hubble type Sbc in the constellation Toucan on southern sky . It is an estimated 219 million light years from the Milky Way and about 75,000 light years in diameter. Together with NGC 434 and PGC 4344 , it forms the galaxy trio KTS 8 . The galaxy is part of the 10-member NGC 434 group ( LGG 19 ).

The object was discovered on September 27, 1834 by the British astronomer John Herschel .

Web links

Commons : NGC 440  - 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 440
  4. ^ VizieR
  5. ↑ Seligman