NGC 3987

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Galaxy
NGC 3987
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SDSS recording
SDSS recording
AladinLite
Constellation lion
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 11 h 57 m 20.9 s
declination + 25 ° 11 ′ 43 ″
Appearance
Morphological type Sb / LINER  
Brightness  (visual) 13.1 mag
Brightness  (B-band) 13.9 likes
Angular expansion 2.2 ′ × 0.4 ′
Position angle 58 °
Surface brightness 12.8 mag / arcmin²
Physical data
Affiliation LGG 261  
Redshift 0.015018 +/- 0.000017  
Radial velocity 4502 +/- 5 km / s  
Stroke distance
v rad  / H 0
(200 ± 14)  ·  10 6  ly
(61.3 ± 4.3)  Mpc 
history
discovery Wilhelm Herschel
Discovery date April 6, 1785
Catalog names
NGC  3987 • UGC  6928 • PGC  37591 • CGCG  127-110 • MCG  + 04-28-099 • IRAS  11547 + 2528 • 2MASX  J11572090 + 2511436 • GC  2638 • H  III 323 • LDCE 0854 NED002, HOLM 308C

NGC 3987 is a spiral galaxy of Hubble type Sb in the constellation Leo on the ecliptic . It is estimated to be 200 million light years from the Milky Way . Together with five other galaxies, it forms the NGC 3987 group ( LGG 261 ).
The object was discovered by Wilhelm Herschel on April 16, 1785 .

NGC 3987 group ( LGG 261 )

Galaxy Alternative name Distance / million Lj
NGC 3987 PGC 37591 200
NGC 4005 PGC 37661 199
NGC 4018 PGC 37699 199
NGC 4022 PGC 37729 193
NGC 4000 PGC 37643 203

Web links

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 3987
  3. ^ VizieR
  4. Seligman