Eta Ursae Minoris

Source: Wikipedia, the free encyclopedia.
Eta Ursae Minoris
Location of η Ursae Minoris (circled)
Observation data
ICRS
)
Constellation Ursa Minor
Right ascension 16h 17m 30.27025s[1]
Declination +75° 45′ 19.2351″[1]
Apparent magnitude (V) +4.95[2]
Characteristics
Evolutionary stage main sequence[3]
Spectral type F5 V[4]
U−B color index +0.02[2]
B−V color index +0.35[2]
Distance
97.6 ± 0.3 ly
(29.92 ± 0.10 pc)
Absolute magnitude (MV)+2.61[6]
Details
Gyr
HR 6116, SAO 8470, CCDM 16176+7545[9]
Database references
SIMBADdata

Eta Ursae Minoris (

circumpolar constellation of Ursa Minor
.

This is an

arc seconds per year.[11]

Eta Ursae Minoris is about one billion years old and has an estimated 1.35 times the

arc seconds.[4]

In some Arabic star charts it is labeled انور الفرقدين ʼanwar al-farqadayn, "the brighter of the two calves", and paired with

γ UMi respectively, the brighter two stars in the rectangle of Ursa Minor.[12]

References

  1. ^
    S2CID 244398875
    . Gaia DR3 record for this source at VizieR.
  2. ^
    Bibcode:1986EgUBV........0M
    . See the SIMBAD Measurements entry for details.
  3. ^
    doi:10.1051/0004-6361:200810377
  4. ^
    S2CID 14878976
    .
  5. ^
    S2CID 119231169
    .
  6. ^
    Bibcode:2000A&A...361..614P
    .
  7. ^
    S2CID 33401607
    .
  8. S2CID 56118016
    .
  9. ^ "eta UMi", SIMBAD, Centre de données astronomiques de Strasbourg, retrieved 2017-09-14.
  10. University of Illinois
    , retrieved 2014-06-21.
  11. S2CID 2603568
    .
  12. ^ Allen, Richard Hinckley (1899), Star-names and Their Meanings, G. E. Stechert, pp. 447–460.
Retrieved from "https://en.wikipedia.org/w/index.php?title=Eta_Ursae_Minoris&oldid=1154744750"