V1291 Aquilae

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V1291 Aquilae
Observation data
Epoch J2000      Equinox J2000
Constellation Aquila
Right ascension 19h 53m 18.7358s
Declination −03° 06′ 52.069″
Apparent magnitude (V) 5.633
Characteristics
Spectral type A5pv
U−B color index 0.1
B−V color index 0.2
Variable type Alpha² CnV variable
Astrometry
Radial velocity (Rv) -20.4 km/s
Proper motion (μ) RA: 21.64 mas/yr
Dec.: 13.62 mas/yr
Parallax (π) 11.79 ± 0.93 mas
Distance 280 ± 20 ly
(85 ± 7 pc)
Absolute magnitude (MV) 5.839
Details
Mass 3.1 M
Radius 2.1 R
Luminosity 40 L
Temperature 7,500–10,000 K
Rotational velocity (v sin i) 2 km/s
Other designations
HIP 97871, SAO 143883, BD-03° 4742, GCRV 12231, HR 7575, HD 188041.
Database references
SIMBAD data
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

V1291 Aquilae is variable star.

References[edit]