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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: | くじら座 |
| Right ascension: | 00h44m42.72s |
| Declination: | -15°23'11.4" |
| Apparent magnitude: | 9.297 |
| Proper motion RA: | 34.3 |
| Proper motion Dec: | -14.1 |
| B-T magnitude: | 10.878 |
| V-T magnitude: | 9.428 |
Catalogs and designations:
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