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HD 6260


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New periodic variables from the Hipparcos epoch photometry
Two selection statistics are used to extract new candidate periodicvariables from the epoch photometry of the Hipparcos catalogue. Theprimary selection criterion is a signal-to-noise ratio. The dependenceof this statistic on the number of observations is calibrated usingabout 30000 randomly permuted Hipparcos data sets. A significance levelof 0.1 per cent is used to extract a first batch of candidate variables.The second criterion requires that the optimal frequency be unaffectedif the data are de-trended by low-order polynomials. We find 2675 newcandidate periodic variables, of which the majority (2082) are from theHipparcos`unsolved' variables. Potential problems with theinterpretation of the data (e.g. aliasing) are discussed.

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.

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Observation and Astrometry data

Constellation:Cassiopeia
Right ascension:01h04m22.79s
Declination:+51°13'20.1"
Apparent magnitude:8.23
Distance:137.363 parsecs
Proper motion RA:7.7
Proper motion Dec:-25.8
B-T magnitude:8.612
V-T magnitude:8.262

Catalogs and designations:
Proper Names
HD 1989HD 6260
TYCHO-2 2000TYC 3275-1587-1
USNO-A2.0USNO-A2 1350-01063313
HIPHIP 5024

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