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Micrometer Measures of Double Stars
Micrometer measures of 795 double stars made with the 26 inch (0.66 m)refractor of the US Naval Observatory from 1984 to 1990 are presented.
| Observations of double stars and new pairs. XV
The study reports visual and photographic measures listed for 1150 pairsobtained in the time frame 1989.91-1992.15, including 221 new doublestars. Magnitudes were estimated for a part of the objects, especiallythe fainter ones. Plate orientations were calculated from field stars ofknown positions and were precessed to the epoch; numbers of nights andof measured exposures are given. Reobservation of faint, neglected pairsreveal many corrections to the data from the old discovery lists.
| Micrometer Observations of Double Stars and New Pairs - Part Ten
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1980ApJS...44..111H&db_key=AST
| Micrometer measures of doubles stars. III.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1963AJ.....68...57V&db_key=AST
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Kartal |
| Sað Açýklýk: | 20h07m06.01s |
| Yükselim: | +07°59'14.6" |
| Görünürdeki Parlaklýk: | 9.282 |
| özdevim Sað Açýklýk: | 7.3 |
| özdevim Yükselim: | -2.5 |
| B-T magnitude: | 9.571 |
| V-T magnitude: | 9.306 |
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