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HD 7101


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Visual measurements of southern double stars. II
A group of 248 micrometric observations of 104 double stars arepresented, forming the second series of a program carried out at Cordobawith a 30 cm refractor. Usually neglected IDS pair south of -60 deg areselected for observation, most of them having been measured only one ortwo times previously. The measurements are compared with all the earlierobservations to derive estimates for the personal equation in P.A. andseparation, and the nature of many pairs is discussed by making use ofcatalog proper motions.

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Observation and Astrometry data

Constellation:Ύδρος
Right ascension:01h06m51.14s
Declination:-81°38'55.8"
Apparent magnitude:7.614
Distance:261.78 parsecs
Proper motion RA:80.7
Proper motion Dec:-28.9
B-T magnitude:9.348
V-T magnitude:7.758

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 7101
TYCHO-2 2000TYC 9359-207-1
USNO-A2.0USNO-A2 0075-00211643
HIPHIP 5228

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