23 Aquilae

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23 Aquilae
Location of 23 Aql (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Aquila
Right ascension 19h 18m 32.49672s[1]
Declination +01° 05′ 06.4941″[1]
Apparent magnitude (V) 5.10[2]
Characteristics
Spectral type K1 II/III[3]
U−B color index +1.01[2]
B−V color index +1.15[2]
Distance
400 ± 20 ly
(123 ± 5 pc)
Absolute magnitude (MV)+0.7[5]
Details
Rotational velocity (v sin i)
10[6] km/s
HR 7319, SAO 124487[7]
Database references
SIMBADdata

23 Aquilae is a

apparent visual magnitude of 5.10,[2] which is bright enough to be faintly visible to the naked eye as an orange-hued star. The brightness of the star is diminished by 0.21 in magnitude because of extinction from interstellar dust and gas.[4] The system is moving closer to the Earth with a heliocentric radial velocity of –23 km/s.[4]

The primary component of this system is a magnitude 5.31

arcseconds is a magnitude 8.76 companion star.[8]

References

  1. ^
    doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR
    .
  2. ^
    Bibcode:1978A&AS...34....1N
    .
  3. Bibcode:1999MSS...C05....0H
    .
  4. ^
    S2CID 17804304
    .
  5. doi:10.1086/154338
    .
  6. Bibcode:1970CoAsi.239....1B
    .
  7. ^ "* 23 Aql". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2012-07-25.
  8. ^
    S2CID 14878976
    .
  9. Bibcode:1962RGOB...51...79E
    .

External links
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