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B.R.N.O. Times of minima
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Based on the data from the “Pi of the Sky” project we made acatalog of the variable stars with periods from 0.1 to 10 days. We useddata collected during a period of two years (2004 and 2005) andclassified 725 variable stars. Most of the stars in our catalog areeclipsing binaries 464 (about 64%), while the number of pulsatingstars is 125 (about 17%). Our classification is based on the shape ofthe light curve, as in the GCVS catalog. However, some stars in ourcatalog were classified as of different type than in the GCVS catalog.We have found periods for 15 stars present in the GCVS catalog withpreviously unknown period.
| A catalogue of eclipsing variables
A new catalogue of 6330 eclipsing variable stars is presented. Thecatalogue was developed from the General Catalogue of Variable Stars(GCVS) and its textual remarks by including recently publishedinformation about classification of 843 systems and making correspondingcorrections of GCVS data. The catalogue1 represents thelargest list of eclipsing binaries classified from observations.
| The 74th Special Name-list of Variable Stars
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| Photoelectric observations of lunar occultations. XV
The last (or possibly penultimate) paper in a series on lunaroccultations presents observations of 404 phenomena, preceded by somegeneral remarks of a retrospective nature. The series of observationsbegan in 1968. Data for 20 doubles or suspected doubles are presented,ranked in order of certainty, with designation 3 representing thesurest. Thirteen of the cases refer to stars not previously noted asdoubles. Seven determinations of angular diameters are presented, ofwhich three have been previously observed.
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Observation and Astrometry data
| Constellation: | Virgo |
| Right ascension: | 13h26m53.52s |
| Declination: | -05°55'50.5" |
| Apparent magnitude: | 7.92 |
| Distance: | 196.464 parsecs |
| Proper motion RA: | -14 |
| Proper motion Dec: | -4.1 |
| B-T magnitude: | 8.12 |
| V-T magnitude: | 7.937 |
Catalogs and designations:
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