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HD 102066


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A second list of wide visual binaries
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A second list of wide visual binaries
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Common proper motion stars in the AGK 3
A search was made of common-proper-motion (CPM) systems among AGK 3stars. The selection of physical systems was based upon the ratiobetween the angular separation (rho) and the proper motion (mu); the CPMstars found are presented in two tables. Table I lists systems withrho/mu less than 1000 years. It contains 326 entries, and the proportionof optical pairs is estimated to be 1 percent. Table II lists systemswith rho/mu in the range 1000 to 3500 years; it contains 113 systems,but only 60 percent of them are physical. Nevertheless, these systemsoften have separations larger than 10,000 AU and are the mostinteresting for the study of the tail of the distribution function ofthe semimajor axes.

Sur un changement de forme de la queue de la Comète Jarlof-Achmarof-Hassel 1939 III et sa liaison probable avec deux éruptions solaires
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Observation and Astrometry data

Constellation:Leo
Right ascension:11h44m50.79s
Declination:+11°23'07.9"
Apparent magnitude:8.922
Distance:117.647 parsecs
Proper motion RA:41.3
Proper motion Dec:-146.7
B-T magnitude:9.555
V-T magnitude:8.975

Catalogs and designations:
Proper Names
HD 1989HD 102066
TYCHO-2 2000TYC 867-664-1
USNO-A2.0USNO-A2 0975-06796564
HIPHIP 57292
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