NGC 1686

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Galaxy
NGC 1686
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NGC 1686 [1]
NGC 1686
AladinLite
Constellation Eridanus
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 04 h 52 m 54.66 s
declination -15 ° 20 ′ 47.3 ″
Appearance
Morphological type Sbc  
Brightness  (visual) 13.7 mag
Brightness  (B-band) 14.5 mag
Angular expansion 1.7 ′ × 0.3 ′
Position angle 27 °
Surface brightness 12.8 mag / arcmin²
Physical data
Affiliation isolated  
Redshift 0.019023 ± 0.000023  
Radial velocity 5703 ± 7 km / s  
Stroke distance
v rad  / H 0 		(250 ± 18)  x  10 6  ly
(76.5 ± 5.4)  Mpc 
history
discovery Francis P. Leavenworth
Discovery date December 26, 1885
Catalog names
NGC  1686 • PGC  16239 • MCG  -03-13-019 • IRAS  F04506-1525 • 2MASX  J04525466-1520472 • GALEX ASC J045254.74-152044.9 • WISEA J045254.65-152047.3 • 2MIG 632

NGC 1686 is a spiral galaxy of Hubble type Sbc in the constellation Eridanus at the southern sky . It is estimated to be 250 million light years from the Milky Way and about 125,000 light years in diameter .

In the same area of ​​the sky is u. a. the galaxy IC 2104 .

The object was discovered on December 26, 1885 by the astronomer Francis Preserved Leavenworth .

Web links

Individual evidence

  1. ^ Aladin Lite
  2. ↑ a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  3. ↑ a b c d e f SEDS : NGC 1686
  4. ↑ Seligman