ZZ Boötis

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ZZ Boötis
Observation data
Epoch J2000      Equinox J2000
Constellation Boötes
Right ascension 13h 56m09.51770s
Declination +25° 55′ 07.3579′
Apparent magnitude (V) 6.79-7.44[1]
Characteristics
Spectral type F2 + F2[1]
Variable type Algol variable
Astrometry
Radial velocity (Rv) -29.50 km/s
Proper motion (μ) RA: -96.52 mas/yr
Dec.: -5.59 mas/yr
Parallax (π) 9.59 ± 0.51 mas
Distance 340 ± 20 ly
(104 ± 6 pc)
Other designations
SAO 83080, HIP 68064, HD 121648.
Database references
SIMBAD data
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)
Database references
SIMBAD data

ZZ Boötis is an eclipsing binary star in the constellation Boötes. It varies from magnitude 6.79 to 7.44 over 5 days.[1] The component stars appear to be of almost equal mass, differing by only 3%.[2]

References

  1. 1.0 1.1 1.2 Lua error in package.lua at line 80: module 'strict' not found.
  2. Lua error in package.lua at line 80: module 'strict' not found.


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