NGC 3450

from Wikipedia, the free encyclopedia
Galaxy
NGC 3450
{{{Card text}}}
The bar-spiral galaxy NGC 3450, imaged by Pan-STARRS
The bar-spiral galaxy NGC 3450, imaged by Pan-STARRS
AladinLite
Constellation Water snake
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 10 h 48 m 03.6 s
declination -20 ° 50 ′ 57 ″
Appearance
Morphological type SB (r) b  
Brightness  (visual) 11.9 likes
Brightness  (B-band) 12.7 mag
Angular expansion 2.6 ′ × 2.3 ′
Position angle 128 °
Surface brightness 13.57 mag / arcmin²
Physical data
Affiliation LGG 220  
Redshift 0.013433 ± 0.000013  
Radial velocity 4027 ± 4 km / s  
Stroke distance
v rad  / H 0
(172 ± 12)  ·  10 6  ly
(52.6 ± 3.7)  Mpc 
diameter 150,000 ly
history
discovery John Herschel
Discovery date March 22, 1835
Catalog names
NGC  3450 • PGC  32270 • MCG  -03-28-004 • IRAS  10456-2034 • 2MASX  J10480361-2050572 • SGC  104538-2035.1 • GC  2250 • h  3303 • AGC 27532 • LDCE 729 NED191

NGC 3450 is a bar-spiral galaxy of the Hubble type SBb in the constellation Water Snake south of the celestial equator . It is around 172 million light years away from the Milky Way and has a diameter of around 140,000 light years .

The Type Ia supernova SN 2005as was observed here.

The object was discovered by John Herschel on March 22, 1835 .

NGC 3450 group ( LGG 220 )

Galaxy Alternative name Distance / million Lj
NGC 3450 PGC 32270 172
NGC 3453 PGC 32707 170
NGC 3464 PGC 32778 159

Web links

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS : NGC 3450
  3. ^ VizieR
  4. Simbad
  5. Seligman