ZZ Boötis
From Infogalactic: the planetary knowledge core
| 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 | |
| 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
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