NGC 1709

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Galaxy
NGC 1709
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SDSS recording
SDSS recording
AladinLite
Constellation Orion
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 04 h 58 m 44.0 s
declination -00 ° 28 ′ 42 ″
Appearance
Morphological type SB0 ^ 0 ^:  
Brightness  (visual) 14.2 mag
Brightness  (B-band) 15.2 mag
Angular expansion 0.9 ′ × 0.7 ′
Position angle 49 °
Surface brightness 13.6 mag / arcmin²
Physical data
Redshift 0.015718 +/- 0.000053  
Radial velocity 4712 +/- 16 km / s  
Stroke distance
v rad  / H 0
(207 ± 14)  ·  10 6  ly
(63.4 ± 4.4)  Mpc 
history
discovery George Johnstone Stoney
Discovery date January 15, 1849
Catalog names
NGC  1709, 1717 • PGC  16462 • CGCG  394-058 • MCG  + 00-13-054 • 2MASX  J04584400-0028418 • LDCE 358 NED012

NGC 1709 = NGC 1717 is a lenticular galaxy of the Hubble-type S0 in the constellation Orion at the celestial equator . It is an estimated 207 million light years away from the Milky Way and has a diameter of about 55,000 ly.
In the same area of ​​the sky are the galaxies NGC 1713 and NGC 1719 , among others .

The object was first discovered by George Johnstone Stoney on January 15, 1849 and designated as number 1717 in the NGC catalog . Catalog entry 1709 is due to RJ Mitchell , who rediscovered the galaxy on December 8, 1854.

Web links

Commons : NGC 1709  - collection of images, videos, and audio files

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS : NGC 1709
  3. Seligman