NGC 784

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Galaxy
data from NGC 784
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NGC 0784 SDSS.jpg
AladinLite
Constellation triangle
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 02 h 01 m 16.9 s
declination + 28 ° 50 ′ 14 ″
Appearance
Morphological type SBdm: / sp  
Brightness  (visual) 11.5 likes
Brightness  (B-band) 12.1 mag
Angular expansion 6.6 ′ × 1.6 ′
Position angle 0 °
Surface brightness 13.9 mag / arcmin²
Physical data
Affiliation Messier 31 group
LGG 11  
Redshift 0.000660 +/- 0.000003  
Radial velocity 198 ± 1 km / s  
Stroke distance
v rad  / H 0
(14 ± 1)  x  10 6  ly
(4.29 ± 0.31)  Mpc 
history
discovery Heinrich Louis d'Arrest
Discovery date September 20, 1865
Catalog names
NGC  784 • UGC  1501 • PGC  7671 • CGCG  503-074 • MCG  + 05-05-045 • IRAS  01584 + 2836 • KUG  0158 + 285 • 2MASX  J02011693 + 2850141 • LDCE 160 NED004

NGC 784 is a bar-spiral galaxy of the Hubble type SBd and lies in the constellation Triangle in the northern sky. It is estimated to be 14 million light years away from the Milky Way and has a diameter of about 20,000 ly.
In the same area of ​​the sky there are u. a. the galaxies NGC 780 , NGC 805 , NGC 807 , IC 1753 .

The object was discovered on September 20, 1865 by Heinrich Louis d'Arrest .

Web links

Commons : NGC 784  - 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 f SEDS: NGC 784
  3. ^ VizieR
  4. Seligman