45 Ophiuchi

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This article is about d Ophiuchi. It is not to be confused with δ Ophiuchi.
45 Ophiuchi
Location of 45 Ophiuchi (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation
Ophiuchus
Right ascension 17h 27m 21.27571s[1]
Declination −29° 52′ 01.3262″[1]
Apparent magnitude (V) 4.28[2]
Characteristics
Spectral type F5III-IV[3]
U−B color index +0.11[4]
B−V color index +0.40[4]
Distance
111.6 ± 0.8 ly
(34.2 ± 0.2 pc)
Absolute magnitude (MV)1.61[2]
Details
Gyr
HR 6492, SAO 185412[9]
Database references
SIMBADdata

45 Ophiuchi is a single

light years away from the Sun based on parallax.[1] The star is drifting further from the Earth with a heliocentric radial velocity of +38 km/s.[5]

This object has a

projected rotational velocity of 65 km/s.[8]

References

  1. ^
    S2CID 18759600. Vizier catalog entry
  2. ^
    S2CID 119257644. Vizier catalog entry
  3. ^
    S2CID 119476992
    .
  4. ^
    Bibcode:2006yCat.2168....0M.Vizier catalog entry
  5. ^
    S2CID 119231169
    .
  6. ^
    Bibcode:1999A&A...352..555A. Vizier catalog entry
  7. ^
    S2CID 56420519
    . L8.
  8. ^
    S2CID 54046583. Vizier catalog entry
  9. ^ "d Oph". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2019-06-22.
  10. S2CID 14878976
    .
  11. ^ Ian Ridpath. "Telescopium - The Telescope". Ian Ridpath's Star Tales. Retrieved 2019-06-23.
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