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Beta Virginis

Beta Virginis, a name Latinised from β Virginis, is a star in the equatorial constellation of Virgo. It has the proper name Zavijava, and, despite its designation 'beta', is the fifth-brightest star in Virgo with an apparent visual magnitude of 3.604. The distance to this star is around 35.7 light-years based on parallax; it is drifting further away with a radial velocity of +4.1 km/s. It is 0.69 of a degree north of the ecliptic, so it can be occulted by the Moon and (rarely) by planets. The next planetary occultation of Beta Virginis will take place on 9 November 2210, by Venus; although an occultation by the same planet might be visible on 11 August 2069 from the South Pole.

Nomenclature
β Virginis (Latinised to Beta Virginis) is the star's Bayer designation. It bore the traditional names Zavijava (also Zavijah, Zavyava and Zawijah) and Alaraph. Zavijava is from the Arabic زاوية العواء zāwiyat al-cawwa’ 'corner of the barking (dog)'. In 2016, the International Astronomical Union organized a Working Group on Star Names (WGSN) to catalog and standardize proper names for stars. The WGSN approved the name Zavijava for this star on 21 August 2016 and it is now so entered in the IAU Catalog of Star Names. Consequently, the Chinese name for Beta Virginis itself is (, ), representing (), meaning The Right Law Administrator. 右執法 (Yòuzhífǎ), spelled Yew Chi Fa by R.H. Allen, means "the Right-hand Maintainer of Law". ==Properties==
Properties
This is an F-type main-sequence star with a stellar classification of F9 V, Larger and more massive than the Sun, it is comparatively metal-rich (that is, it has a higher preponderance of elements heavier than helium). It is radiating 3.6 times the luminosity of the Sun from its photosphere at an effective temperature of . ==Search for planets==
Search for planets
According to Nelson & Angel (1998), Beta Virginis could host two or three jovian planets in wide orbits. The authors have set an upper limit of 1.9, 5 and 23 Jupiter masses for the putative planets with orbital periods of 15, 25 and 50 years, respectively. Also Campbell et al. 1988 inferred the existence of planetary objects or even brown dwarfs around Beta Virginis. However, more recent studies have not confirmed the existence of any substellar companion around Beta Virginis yet. McDonald Observatory team has set limits to the presence of one or more planets with masses between 0.16 and 4.2 Jupiter masses and average separations spanning between 0.05 and 5.2 astronomical units. In 2025, it was noted that proper motion measurements of Zavijava taken by the Hipparcos and Gaia spacecraft show a statistically significant difference; this acceleration suggests the presence of a giant planet. ==References==
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