NGC 4986

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Galaxy
NGC 4986
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SDSS recording
SDSS recording
AladinLite
Constellation Hunting dogs
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 13 h 08 m 24.4 s
declination + 35 ° 12 ′ 23 ″
Appearance
Morphological type SB (r) b  
Brightness  (visual) 13.2 mag
Brightness  (B-band) 14.0 mag
Angular expansion 1.7 ′ × 0.9 ′
Position angle 70 °
Surface brightness 13.5 mag / arcmin²
Physical data
Affiliation LGG 329  
Redshift 0.016084 +/- 0.000017  
Radial velocity 4822 +/- 5 km / s  
Stroke distance
v rad  / H 0
(217 ± 15)  ·  10 6  ly
(66.6 ± 4.7)  Mpc 
history
discovery Wilhelm Herschel
Discovery date May 1, 1785
Catalog names
NGC  4986 • UGC  8221 • PGC  45538 • CGCG  189-027 • MCG  + 06-29-044 • IRAS  F13060 + 3528 • 2MASX  J13082447 + 3512229 • GC  3423 • H  III 401 • h  1538 • LDCE 943 NED002

NGC 4986 is a 13.2 mag bright bar spiral galaxy of the Hubble type SBb in the constellation Hounds in the northern sky . It is estimated to be 217 million light years away from the Milky Way and has a diameter of about 110,000 ly. Together with NGC 4956 , IC 4189 , PGC 45937 and PGC 45410 , it forms the small galaxy group LGG 329.

In the same area of ​​the sky are the galaxies NGC 4956 , IC 4189 , IC 4201 , IC 4213 .

The object was discovered on May 1st, 1785 by Wilhelm Herschel with an 18.7-inch reflector telescope, which she labeled “vF, stellar; with 300 power the same ”.

Web links

  • NGC 4986. SIMBAD, accessed February 23, 2015 .
  • NGC 4986. DSO Browser, accessed February 23, 2015 .

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 4986
  3. ^ VizieR
  4. Auke Slotegraaf: NGC 4986. Deep Sky Observer's Companion, accessed on February 23, 2015 (English).
  5. Seligman