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HD 993


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Radial-velocity measurements. V - Ground support of the HIPPARCOS satellite observation program
The paper presents data on 1070 radial velocity measurements of starsdistributed in 39 fields measuring 4 deg x 4 deg. The PPO series ofFehrenbach et al. (1987) and Duflot et al. (1990) is continued using theFehrenbach objective prism method.

Observations in linearly polarized light of the intensity of the diffuse lam 6180 absorption band in 56 southern O, B and A stars.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1978A&A....70..195G&db_key=AST

Effects of rotation in the colour-magnitude diagrams of Praesepe and the Hyades.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1971MNRAS.151..463S&db_key=AST

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Observation and Astrometry data

Constellation:Cassiopeia
Right ascension:00h14m27.49s
Declination:+50°18'08.6"
Apparent magnitude:8.308
Distance:377.358 parsecs
Proper motion RA:13.7
Proper motion Dec:-5.3
B-T magnitude:8.288
V-T magnitude:8.307

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 993
TYCHO-2 2000TYC 3255-191-1
USNO-A2.0USNO-A2 1350-00266444
HIPHIP 1157
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