PGC 3100716

from Wikipedia, the free encyclopedia
Galaxy
LEDA / PGC 3100716
{{{Card text}}}
LEDA 3100716, NGC 806 and LEDA 984073 (ul) [1]
LEDA 3100716, NGC 806 and LEDA 984073 (ul)
AladinLite
Constellation whale
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 02 h 03 m 32.6 s
declination -09 ° 55 ′ 47 ″
Appearance
Morphological type Sp (sa) / HII  
Brightness  (visual) 14.7 mag
Brightness  (B-band) 15.5 mag
Angular expansion 1.2 ′ × 0.4 ′
Position angle 60 °
Surface brightness 11.8 mag / arcmin²
Physical data
Redshift 0.012818 ± 0.000006  
Radial velocity 3843 ± 2 km / s  
Stroke distance
v rad  / H 0 		(172 ± 12)  ·  10 6  ly
(52.7 ± 3.7)  Mpc 
history
Catalog names
NGC  806-2  • PGC  3100716 • SDSS J020332.58-095547.5 • ASK 131911.0 • SHOC 103

LEDA / PGC 3100716 (also NGC 806-2 ) is a spiral galaxy with extensive star formation from Hubble type S in the constellation Cetus south of the ecliptic . It is estimated to be 172 million light-years from the Milky Way and about 20,000 light-years across. Together with NGC 806 , it forms a close, gravitationally bound galaxy pair.
In the same area of ​​the sky is u. a. the galaxy NGC 811 .

Web links

Individual evidence

  1. ^ Aladin Lite
  2. ↑ a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  3. ↑ a b c d e f SEDS : 806 PGC 3100716