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HD 120928


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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.

A spectral survey of the southern Milky Way 1 : general description and catalogue 1 (l=306 -318 degrees).
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1974A&AS...16..445S&db_key=AST

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Observation and Astrometry data

Constellation:Διαβήτης
Right ascension:13h54m34.63s
Declination:-65°03'54.6"
Apparent magnitude:9.848
Proper motion RA:-4
Proper motion Dec:-1.5
B-T magnitude:9.907
V-T magnitude:9.853

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 120928
TYCHO-2 2000TYC 9012-1436-1
USNO-A2.0USNO-A2 0225-18498456
HIPHIP 67912

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