HD 183144

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HD 183144
Observation data
Epoch J2000      Equinox J2000
Constellation Aquila
Right ascension 19h 27m 33.9083s
Declination +14° 16′ 56.931″
Apparent magnitude (V) 6.307
Characteristics
Spectral type B4III
U−B color index -0.51
B−V color index -0.06
R−I color index 1.41
Variable type Variable star
Astrometry
Radial velocity (Rv) 4 km/s
Proper motion (μ) RA: 7.07 mas/yr
Dec.: -4.29 mas/yr
Parallax (π) 3.91 ± 0.79 mas
Distance approx. 800 ly
(approx. 260 pc)
Absolute magnitude (MV) 6.239
Details
Mass 18 M
Radius R
Luminosity 20,000 L
Temperature 10,000–30,000 K
Other designations
BD+13° 4020, SAO 104862, HIP 95664, HR 7396.
Database references
SIMBAD data
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

HD 183144 is variable star.

References[edit]