38 Aquarii

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This article is about e Aquarii. It is not to be confused with ε (epsilon) Aquarii.
38 Aquarii
Diagram showing star positions and boundaries of the Aquarius constellation and its surroundings
Location of 38 Aquarii (circled)
Observation data
ICRS
)
Constellation Aquarius
Right ascension 22h 10m 37.48206s[1]
Declination –11° 33′ 53.7754″[1]
Apparent magnitude (V) +5.43[2]
Characteristics
Spectral type B5 III[3]
B−V color index –0.12[4]
Distance
450 ± 20 ly
(138 ± 6 pc)
Absolute magnitude (MV)−0.26[5]
Details
Rotational velocity (v sin i)
20[7] km/s
HR 8452, SAO 164910[8]
Database references
SIMBADdata

38 Aquarii is a

apparent visual magnitude of +5.43.[2] Based on parallax measurements, it is around 450 light-years (140 parsecs) away;[1]
it is 0.28 degree south of the ecliptic.

The

projected rotational velocity of 20 km/s.[7] The outer atmosphere of the star has a blue-white glow from an effective temperature of 13,860 K.[3]

References

  1. ^
    S2CID 18759600
    .
  2. ^
    Bibcode:1999VeARI..35....1W
    .
  3. ^
    S2CID 119428437
    .
  4. Bibcode:1968MNSSA..27...11C
    .
  5. ^
    S2CID 119257644
    .
  6. ^
    S2CID 425754
    .
  7. ^
    doi:10.1086/340590
    .
  8. ^ "* e Aqr". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2013-05-06.
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