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DV Aquarii

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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 typeA9V
U−B color index0.11
B−V color index0.23
Variable typeBeta 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
Distance280 ± 20 ly
(85 ± 6 pc)
Absolute magnitude (MV)6.18
Details
Mass3.1 M
Radius2.1 R
Luminosity40 L
Temperature7,500–10,000 K
Orbit
CompanionDV Aquarii B
Period (P)0.0043135687885 yr
Other designations
BD-15° 5848, HIP 103545, HR 8024, HD 199603, SAO 164027.
Database references
data
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

DV Aquarii is a Beta Lyr type eclipsing binary.

References

  • Image DV Aquarii


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