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Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS) - Third edition - Comments and statistics
The Catalogue, available at the Centre de Données Stellaires deStrasbourg, consists of 13 573 records concerning the results obtainedfrom different methods for 7778 stars, reported in the literature. Thefollowing data are listed for each star: identifications, apparentmagnitude, spectral type, apparent diameter in arcsec, absolute radiusin solar units, method of determination, reference, remarks. Commentsand statistics obtained from CADARS are given. The Catalogue isavailable in electronic form at the CDS via anonymous ftp tocdsarc.u-strasbg.fr (130.79.128.5) or viahttp://cdsweb.u-strasbg.fr/cgi-bin/qcar?J/A+A/367/521
| The detection of close binary systems in observations of lunar occultations with a 6-m telescope
The paper presents the results of photoelectric observations of thelunar occultation of 10 stars which were carried out with the 6-mtelescope of the Special Astrophysical Observatory of the USSR Academyof Sciences. The brightness strip distribution of the occulted source isrestored using a modified regularization method in which a prioriinformation on the nonnegativity of the solution is accounted for. Theupper limits to the angular diameters of eight stars are obtained. For astar with a brightness of 11.07 mag, an angular resolution of 0.0101 isachieved. The following close binary systems were detected: SAO 128720and SAO 110268.
| Observations of Lunar Occultations of Stars with the 6-METER Telescope
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| Photoelectric observations of lunar occultations. XIV
Observations of 314 events between March 1982 and March 1983 arepresented in the same form as in previous papers in this series. Theresults include 18 cases of duplicity of which 12 appear to be newdiscoveries. Unluckily, few cases of possible large angular diametersoccurred, and in no case can the results derived be accepted withoutreserve, these having been observed at very low altitudes withconsequent severe corruption by seeing effects. A remark on theincidence of doubles in the Hyades and its possible consequences forestimates of stellar distances is appended.
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