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HD 155100


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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.

The 74th Special Name-list of Variable Stars
We present the Name-list introducing GCVS names for 3153 variable starsdiscovered by the Hipparcos mission.

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Observation and Astrometry data

Constellation:Autel
Right ascension:17h13m02.88s
Declination:-58°54'40.8"
Apparent magnitude:8.31
Distance:854.701 parsecs
Proper motion RA:-2.9
Proper motion Dec:-1.1
B-T magnitude:10.504
V-T magnitude:8.492

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 155100
TYCHO-2 2000TYC 8739-2203-1
USNO-A2.0USNO-A2 0300-30926941
HIPHIP 84231

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