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A spectroscopic and photometric study of the giant star HD 101841: A very short-period binary system
The giant star HD 101841 is a single lined spectroscopic binary with anorbital period of 3.11 days and an assumed circular orbit. No sign ofhydrogen alpha emission or significant Li I 6707.81 A features werefound. Photometric observations show a micro-variability of about 0.014magnitude in V. Different studies give a F3II spectral classificationbut we found strong evidences that HD 101841 is probably a F3III-IVgiant star.
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Observation and Astrometry data
| Constellation: | Sagittarius |
| Right ascension: | 19h17m55.74s |
| Declination: | -34°31'10.2" |
| Apparent magnitude: | 8.303 |
| Distance: | 222.222 parsecs |
| Proper motion RA: | -1.9 |
| Proper motion Dec: | -6.8 |
| B-T magnitude: | 8.726 |
| V-T magnitude: | 8.338 |
Catalogs and designations:
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