NGC 1723

from Wikipedia, the free encyclopedia
Galaxy
NGC 1723
{{{Card text}}}
Galaxy group in Eridanus (NGC 1721, NGC 1723, NGC 1725, and NGC 1728) .jpg
AladinLite
Constellation Eridanus
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 04 h 59 m 25.9 s
declination -10 ° 58 ′ 50 ″
Appearance
Morphological type SB (r) a / pec  
Brightness  (visual) 11.7 mag
Brightness  (B-band) 12.7 mag
Angular expansion 2.6 ′ × 1.8 ′
Position angle 144 °
Surface brightness 13.2 mag / arcmin²
Physical data
Redshift 0.012479 ± 0.000023  
Radial velocity (3741 ± 7) km / s  
Stroke distance
v rad  / H 0
(162 ± 11)  ·  10 6  ly
(49.7 ± 3.5)  Mpc 
history
discovery Wilhelm Temple
Discovery date January 12, 1882
Catalog names
NGC  1723 • PGC  16493 • MCG  -02-13-029 • IRAS  04571-1103 • 2MASX  J04592589-1058504 • LDCE 354 NED010

NGC 1723 is a bar-spiral galaxy of the Hubble type SBa in the constellation Eridanus in the southern sky . It is an estimated 162 million light years away from the Milky Way and has a diameter of about 125,000 ly. In the same area of ​​the sky there are u. a. the galaxies NGC 1721 , NGC 1725 , NGC 1728 .

The object was discovered on January 12th, 1882 by Ernst Wilhelm Leberecht Tempel .

Web links

Commons : NGC 1723  - Collection of Images

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS : NGC 1723
  3. Seligman