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HD 108920


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Empirical Calibration of Absolute Magnitudes for G-K Dwarfs and Subdwarfs in the Vilnius Photometric System
Calibrations giving l M_V as functions of [Fe/H] and various intrinsiccolor indices of the Vilnius photometric system are derived for G--Kdwarfs and subdwarfs. The calibrations are based only on the stars withknown trigonometric parallaxes and allow one to estimate the absolutemagnitudes with a standard deviation of +/- 0.6 mag. Comparisons of ourcalibrations with the absolute magnitude estimates in the literatureshow a satisfactory agreement.

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Observation and Astrometry data

Constellation:Hydre
Right ascension:12h31m08.25s
Declination:-31°38'08.3"
Apparent magnitude:7.888
Distance:98.717 parsecs
Proper motion RA:-48.9
Proper motion Dec:-7.8
B-T magnitude:8.199
V-T magnitude:7.914

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 108920
TYCHO-2 2000TYC 7234-1149-1
USNO-A2.0USNO-A2 0525-15167457
HIPHIP 61082

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