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HD 188827


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Binary stars unresolved by speckle interferometry. III
The KPNO's 4-m telescope was used in 1975-1981 to determine the epochsof 1164 speckle observations for 469 unresolved, known or suspectedbinary stars. The data, presented in tabular form, encompass visualbinaries with eccentric orbits, occultation binaries, astrometricbinaries, Hyades stars of known or suspected duplicity, and many longperiod spectroscopic binaries.

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Observation and Astrometry data

Constellation:Sagittarius
Right ascension:19h57m34.55s
Declination:-15°27'15.4"
Apparent magnitude:8.125
Distance:3333.333 parsecs
Proper motion RA:-14.9
Proper motion Dec:-15.6
B-T magnitude:9.489
V-T magnitude:8.238

Catalogs and designations:
Proper Names
HD 1989HD 188827
TYCHO-2 2000TYC 6313-1807-1
USNO-A2.0USNO-A2 0675-34627111
HIPHIP 98219

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