NGC 7743

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Galaxy
NGC 7743
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SDSS recording
SDSS recording
AladinLite
Constellation Pegasus
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 23 h 44 m 21.1 s
declination + 09 ° 56 ′ 03 ″
Appearance
Morphological type (R) SB (s) 0+ / Sy2  
Brightness  (visual) 11.4 mag
Brightness  (B-band) 12.3 mag
Angular expansion 2 ′, 8 × 2 ′, 4
Position angle 80 °
Surface brightness 13.3 mag / arcmin²
Physical data
Affiliation NGC 7743 group  
Redshift 0.005704 ± 0.000017  
Radial velocity 1710 ± 5 km / s  
Stroke distance
v rad  / H 0
(83 ± 6)  ·  10 6  ly
(25.4 ± 1.8)  Mpc 
history
discovery William Herschel
Discovery date October 18, 1784
Catalog names
NGC  7743 • UGC  12759 • PGC  72263 • CGCG  432-022 • MCG  + 02-60-011 • IRAS  23417 + 0939 • 2MASX  J23442113 + 0956025 • GC  5006 • H  II-256 • h  2265 •

NGC 7743 is a lenticular galaxy with an active nucleus of the Hubble type SB0 / a in the constellation Pegasus in the northern sky . It is estimated to be 83 million light years from the Milky Way and about 65,000 ly in diameter. The galaxy has an angular extent of 2 ′, 8 × 2 ′, 4 and an apparent magnitude of 11.4 mag.
The galaxy NGC 7742 is located in the same area of ​​the sky .

The object was discovered by William Herschel on October 18, 1784 .

Web links

Commons : NGC 7743  - 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 7743
  3. Seligman