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HD 38303


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A catalogue of eclipsing variables
A new catalogue of 6330 eclipsing variable stars is presented. Thecatalogue was developed from the General Catalogue of Variable Stars(GCVS) and its textual remarks by including recently publishedinformation about classification of 843 systems and making correspondingcorrections of GCVS data. The catalogue1 represents thelargest list of eclipsing binaries classified from observations.

New Elements for 80 Eclipsing Binaries
This research presents new elements for 80 eclipsing binaries found withthe help of the ASAS-3, Hipparcos and TASS databases.

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.

Hipparcos: The Stars
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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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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Ressam
Sað Açýklýk:05h41m13.11s
Yükselim:-57°26'28.2"
Görünürdeki Parlaklýk:9.228
özdevim Sað Açýklýk:11.5
özdevim Yükselim:17.8
B-T magnitude:9.552
V-T magnitude:9.255

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 38303
TYCHO-2 2000TYC 8527-960-1
USNO-A2.0USNO-A2 0300-01831576
HIPHIP 26772

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