NGC 1980

from Wikipedia, the free encyclopedia
Open star cluster
NGC 1980
M42 / 43 & NGC 1980 (stars below center)
M42 / 43 & NGC 1980 (stars below center)
AladinLite
Constellation Orion
Position
equinox : J2000.0
Right ascension 05 h 35 m 26.0 s
declination -05 ° 54 ′ 36 ″
Appearance

Brightness  (visual) 2.5 likes
Angular expansion 14.0 '
Brightest star ι Ori (Iota Orionis) 2.8 mag
Physical data

Affiliation Milky Way
Redshift 0.000085
Radial velocity 25.34 km / s
distance  1800 ly
(550 pc )
Age 5 million years
history
Discovered by William Herschel
Discovery time January 31, 1786
Catalog names
 NGC  1980 • C 0532-059 • OCl 529 •  Cr  72 • Lund 189 •  GC  1183 •  H  V-31 •  h  361 •

NGC 1980 is a low-mass open star cluster with gas nebula in the constellation Orion . It has a brightness of 2.5 mag and an angular diameter of 14 arc minutes . The object is about 1,800 light years away from the solar system, close to the Orion Nebula , consists of only a few dozen stars and is very young at about five million years old.

The pile was discovered on January 31, 1786 by William Herschel.

Web links

Amateur photos: [1] [2] [3]

Individual evidence

  1. ↑ NASA / IPAC EXTRAGALACTIC DATABASE
  2. ^ A b SEDS: NGC 1980
  3. ↑ WEBDA
  4. ^ Klaus-Peter Schröder: NGC 1980: Elder Brother of the Trapeze; in: Stars and Space , January 2015, p. 70 f.
  5. ↑ Seligman