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Observations of double stars and new pairs. XIV
Results of a continuing survey of visual double stars are presented,including 4880 measurements made from February 1987 to November 1989.The positions in WDS format and Durchmusterung numbers are given for 194pairs first reported here. Micrometer measurements of 1142 doubles madewith the Swarthmore 61 cm refractor are presented. Magnitudes areestimated for some of the objects. Plate measurements, plateorientations, position angles, number of nights, and measured exposuresare given. Visual observations of 342 pairs obtained in May 1989 atCerro Tololo, mostly with the 1.0 m reflector, are reported.
| New Double Stars Discovered at Nice - Part Twenty
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1987A&AS...67...13C&db_key=AST
| UBV photometry of stars whose positions are accurately known. III
UBV photometric observations of 417 stars at BD declination 35-49 degfrom the NPZT(74) catalog of Yasuda et al. (1982) and the AGK3R catalogof Corben (1978), obtained with the 40-cm Cassegrain reflector atKvistaberg Observatory during 1984-1985, are reported. The data arepresented in tables, and the mean errors per observation are given as0.016 mag in V, 0.011 mag in B-V, 0.012 mag in U-B for U less than 10,and 0.026 mag in U-B for U greater than 10.
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Kertenkele |
| Sað Açýklýk: | 22h35m49.28s |
| Yükselim: | +47°13'11.5" |
| Görünürdeki Parlaklýk: | 9.186 |
| özdevim Sað Açýklýk: | 13.2 |
| özdevim Yükselim: | 6.7 |
| B-T magnitude: | 9.652 |
| V-T magnitude: | 9.225 |
Kataloglar ve belirtme:
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