V1401 Aquilae

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V1401 Aquilae
Observation data
Epoch J2000      Equinox J2000
Constellation Aquila
Right ascension 20h 05m 05.4147s
Declination 11° 35 57.888
Apparent magnitude (V)6.39
Characteristics
Spectral typeF1III
B−V color index0.52
Variable typeSemi-regular pulsating Star
Astrometry
Radial velocity (Rv)-12.1 km/s
Proper motion (μ) RA: -0.57 mas/yr
Dec.: -14.98 mas/yr
Parallax (π)2.56 ± 0.97 mas
Distanceapprox. 1,300 ly
(approx. 400 pc)
Absolute magnitude (MV)6.88
Details
Mass1.7 M
Radius1.4 R
Luminosity6 L
Temperature6,000–7,500 K
Rotational velocity (v sin i)23 km/s
Other designations
BD-12° 5641, HD 190390, NSV 12766, HIP 98910, HR 7671, SAO 163245.
Database references
SIMBADdata
Database references
SIMBADdata
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

V1401 Aquilae is semi-regular pulsating star.

V1401 Aquilae was a latter designation of 64 Sagitarii.[1]

References

  1. Wagman, M. (August 1987). "Flamsteed's Missing Stars". Journal for the History of Astronomy, Vol.18, NO. 3/AUG, P.209, 1987 18: 221. Bibcode:1987JHA....18..209W. 
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