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SANTIAGO 91, a right ascension catalogue of 3387 stars (equinox J2000).
The positions in right ascension of 3387 stars belonging to the Santiago67 Catalogue, observed with the Repsold Meridian Circle at Cerro Calan,National Astronomical Observatory, during the period 1989 to 1994, aregiven. The average mean square error of a position, for the wholeCatalogue, is +/-0.009 s. The mean epoch of the catalogue is 1991.84.
| Estimation of spectral classifications for bright southern stars with interesting Stromgren indices
This paper investigates the degree of success with which uvby photometrycan be applied to predict spectral classifications for 947 A, F, and Gstars brighter than an apparent magnitude of 8.3 and with four-colorindices indicating some kind of interesting, unusual, or peculiarspectrum. One or several possible spectral classifications are estimatedfor each star from photometry alone, double stars are distinguished, andthe estimates are compared with published classifications. The resultsshow that the framework provided by uvby photometry can be extended toinclude most G and K stars, reddened stars, peculiar stars, and certaintypes of double star.
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Member of following groups:
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Observation and Astrometry data
| Constellation: | Canis Major |
| Right ascension: | 06h27m28.37s |
| Declination: | -22°07'27.2" |
| Apparent magnitude: | 7.63 |
| Distance: | 414.938 parsecs |
| Proper motion RA: | 4 |
| Proper motion Dec: | 23.4 |
| B-T magnitude: | 8.022 |
| V-T magnitude: | 7.663 |
Catalogs and designations:
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