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TYC 1896-1043-1


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The 78th Name-List of Variable Stars
We present the next regular Name-List of variable stars containinginformation on 1706 variable stars recently designated in the system ofthe General Catalogue of Variable Stars.

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.

Lunar Occultation Summary. I
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1974ApJS...28..405E&db_key=AST

Photoelectric measurements of lunar occultation. VI. Further observational results.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1973AJ.....78..482D&db_key=AST

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Ikizler
Sað Açýklýk:07h11m55.33s
Yükselim:+23°24'55.9"
Görünürdeki Parlaklýk:9.314
özdevim Sað Açýklýk:5.2
özdevim Yükselim:-15
B-T magnitude:9.871
V-T magnitude:9.36

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
TYCHO-2 2000TYC 1896-1043-1
USNO-A2.0USNO-A2 1125-04934429
HIPHIP 34775

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