V1401 Aquilae

From Wikipedia, the free encyclopedia
Jump to: navigation, search
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 type F1III
B−V color index 0.52
Variable type Semi-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
Distance approx. 1,300 ly
(approx. 400 pc)
Absolute magnitude (MV) 6.88
Details
Mass 1.7 M
Radius 1.4 R
Luminosity L
Temperature 6,000–7,500 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
SIMBAD data
Database references
SIMBAD data
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[edit]

  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.