HD 194244

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HD 194244
Observation data
Epoch J2000      Equinox J2000
Constellation Aquila
Right ascension 20h 24m 37.4982s
Declination +01° 04′ 06.261″
Apparent magnitude (V) 6.144
Characteristics
Spectral type B9V
U−B color index -0.14
B−V color index -0.04
Variable type Variable star
Astrometry
Radial velocity (Rv) -9 km/s
Proper motion (μ) RA: 7.93 mas/yr
Dec.: 5.49 mas/yr
Parallax (π) 3.88 ± 0.92 mas
Distance approx. 800 ly
(approx. 260 pc)
Absolute magnitude (MV) 6.107
Details
Mass 18 M
Radius R
Luminosity 20,000 L
Temperature 10,000–30,000 K
Rotational velocity (v sin i) 265 Km/s km/s
Other designations
HR 7803, BD+00° 4495, HD 194244, HIP 100664, SAO 125769.
Database references
SIMBAD data
Database references
SIMBAD data
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

HD 194244 is a variable star. It is a part of the constellation Aquila.

References[edit]