NGC 3440

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Galaxy
NGC 3440
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NGC 3440 [1]
NGC 3440
AladinLite
Constellation Big Bear
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 10 h 53 m 49.50 s
declination + 57 ° 07 ′ 07.5 ″
Appearance
Morphological type SBb?  
Brightness  (visual) 13.2 mag
Brightness  (B-band) 14.0 mag
Angular expansion 2.1 ′ × 0.5 ′
Position angle 48 °
Surface brightness 13.1 mag / arcmin²
Physical data
Affiliation NGC 3445 group
LGG 226  
Redshift 0.006351 ± 0.000010  
Radial velocity 1904 ± 3 km / s  
Stroke distance
v rad  / H 0 		(88 ± 6)  ·  10 6  ly
(27.1 ± 1.9)  Mpc 
history
discovery William Herschel
Discovery date April 8, 1793
Catalog names
NGC  3440 • UGC  6009 • PGC  32714 • CGCG  291-009 • MCG  + 10-16-019 • IRAS  10508 + 5722 • 2MASX  J10534950 + 5707075 • GC  2244 • H  III 914 • h  785 • WISEA J105349.52 + 570707.4 • NSA 138299

NGC 3440 is a barred spiral galaxy of the Hubble type SBb and the constellation Great Bear in the northern sky . It is an estimated 88 million light years away from the Milky Way and about 35,000 light years in diameter. Together with NGC 3445 , NGC 3458 and PGC 32784 it forms the NGC 3445 group ( LGG 226 ).

The object was discovered by Wilhelm Herschel on April 8, 1793 .

Web links

Individual evidence

  1. ^ Aladin Lite
  2. ↑ a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  3. ↑ a b c d e f g SEDS : NGC 3440
  4. ^ VizieR
  5. ↑ Seligman