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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  • AQUARII vel AQUARIOLI — dicebantur olim ministri Lenonum seu meretricum, qui in domo lenonia meretricibus ad lavandum aquas aggererent, vel eas lavantes aquâ perfunderent, ut mediastini solebant in balneis, quos Graeci περιχύτας aut παραχύτας vocavêre. Spartian. in… …   Hofmann J. Lexicon universale

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