DV Aquarii

DV Aquarii
DV Aquarii
Observation data
Epoch J2000      Equinox J2000
Constellation Aquarius
Right ascension 20h 58m 41.8401s
Declination -14° 28′ 59.26″
Apparent magnitude (V) 5.959
Characteristics
Spectral type A9V
U−B color index 0.11
B−V color index 0.23
Variable type Beta Lyrae variable
Astrometry
Radial velocity (Rv) 10 km/s
Proper motion (μ) RA: -54.64 mas/yr
Dec.: -19.31 mas/yr
Parallax (π) 11.83 ± 0.83 mas
Distance 280 ± 20 ly
(85 ± 6 pc)
Absolute magnitude (MV) 6.18
Details
Mass 3.1 M☉
Radius 2.1 R☉
Luminosity 40 L☉
Temperature 7,500–10,000 K
Orbit
Companion DV Aquarii B
Period (P) 0.0043135687885[citation needed] yr
Other designations
BD-15° 5848, HIP 103545, HR 8024, HD 199603, SAO 164027.
Database references
SIMBAD data
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

DV Aquarii is a Beta Lyr type eclipsing binary.

References



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