NGC 5982

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Galaxy
NGC 5982
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NGC 5982 [1] Hubble Space Telescope
NGC 5982 Hubble Space Telescope
AladinLite
Constellation Dragon
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 15 h 38 m 49.829 s
declination + 59 ° 21 ′ 21.02 ″
Appearance
Morphological type E3 / LINER  
Brightness  (visual) 11.0 mag
Brightness  (B-band) 12.0 mag
Angular expansion 2.6 ′ × 1.9 ′
Position angle 110 °
Surface brightness 12.8 mag / arcmin²
Physical data
Affiliation NGC 5982 group
LGG 402  
Redshift 0.010064 ± 0.000031  
Radial velocity (3017 ± 9) km / s  
Stroke distance
v rad  / H 0
(142 ± 10)  ·  10 6  ly
(43.6 ± 3.1)  Mpc 
history
discovery William Herschel
Discovery date May 25, 1788
Catalog names
NGC  5982 • UGC  9961 • PGC  55674 • CGCG  297-024 • MCG  + 10-22-029 • 2MASX  J15383977 + 5921212 • GC  4128 • H  II-764 • h  1934 • GALEX ASC J153839.96 + 592121.1 • LDCE 1141 NED002 • Stile 719A • KTG 64B

NGC 5982 is an elliptical galaxy with an active nucleus of the Hubble type E3 in the dragon in the northern sky . It is an estimated 142 million light years away from the Milky Way and about 110,000 light years in diameter. Together with NGC 5981 and NGC 5985 , it forms the galaxy trio Holm 719 or KTG 64 and is the brightest member of the NGC 5982 group, which still includes NGC 5976 , NGC 5987 and NGC 5989 .

The object was discovered on March 19, 1788 by William Herschel .

Web links

Commons : NGC 5982  - collection of images, videos, and audio files

Individual evidence

  1. ^ Aladin Lite
  2. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  3. a b c d e f SEDS : NGC 5982
  4. ^ VizieR
  5. Seligman