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HD 135950

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The Program to Link the HIPPARCOS Reference Frame to an Extragalactic Reference System Using the Fine Guidance Sensors of the Hubble Space Telescope Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1997AJ....114.2796H&db_key=AST
GPM - compiled catalogue of absolute proper motions of stars in selected areas of sky with galaxies. Not Available
Speckle interferometry of HIPPARCOS link stars. II A second list is presented of stars that have been tested for theirsuitability as astrometric links between the Hipparcos satellite and theSpace Telescope. A speckle interferometer and autocorrelator were used,first on the 1.9-m telescope of the Mt. Stromlo and Siding SpringObservatories, and then, after discarding 16 stars showing evidence of abinary nature, on the Anglo-Australian 3.9-m telescope. Results aregiven for 123 stars. Combining the present list with the 1984 list, itis estimated that 29 percent of the original selection of 'cleanlooking' stars (on sky survey prints) are expected to be multiple at theresolution of the 3.9-m telescope, 0.03-0.7 arcsec.

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Observation and Astrometry data

Constellation:	Balance
Right ascension:	15^h18^m35.85^s
Declination:	-24Â°14'57.5"
Apparent magnitude:	8.162
Distance:	285.714 parsecs
Proper motion RA:	-40.6
Proper motion Dec:	-43.5
B-T magnitude:	9.815
V-T magnitude:	8.299

Catalogs and designations:

Proper Names	(Edit)
HD 1989	HD 135950
TYCHO-2 2000	TYC 6762-804-1
USNO-A2.0	USNO-A2 0600-17871714
HIP	HIP 74920

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