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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.

Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Subtittle: Radial velocities: The Wilson-Evans-Batten catalogue.
We give a common version of the two catalogues of Mean Radial Velocitiesby Wilson (1963) and Evans (1978) to which we have added the catalogueof spectroscopic binary systems (Batten et al. 1989). For each star,when possible, we give: 1) an acronym to enter SIMBAD (Set ofIdentifications Measurements and Bibliography for Astronomical Data) ofthe CDS (Centre de Donnees Astronomiques de Strasbourg). 2) the numberHIC of the HIPPARCOS catalogue (Turon 1992). 3) the CCDM number(Catalogue des Composantes des etoiles Doubles et Multiples) byDommanget & Nys (1994). For the cluster stars, a precise study hasbeen done, on the identificator numbers. Numerous remarks point out theproblems we have had to deal with.

The absolute spectrophotometric study of binary stars around Gamma CAS in the UV and visible ranges
Results of absolute spectrophotometric measurements of 15 binary starsof the classes F, G, and K in the 2300-4800 A wavelength interval arepresented. The absolute energy distributions of the stars studied in theUV and visible range were compared with Kurucz's (1979) theoreticalmodels. Spectral and luminosity classes of the system components areestimated by constructing the combined spectra.

La mesure des vitesses radiales AU prisme objectif.11 Revision et resultats nouveaux dans la SA 8.
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La mesure des vitesses radiales au prisme objectif. XII. 5ème Liste de vitesses radiales déterminées au prisme objectif à vision directe
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Membre dels grups següents:

Dades d'Observació i Astrometria

Constel·lació:Cassiopeia
Ascensió Recta:01h02m01.72s
Declinació:+59°32'44.9"
Magnitud Aparent:8.129
Distancia:224.719 parsecs
Moviment propi RA:11.3
Moviment propi Dec:-0.1
B-T magnitude:8.641
V-T magnitude:8.172

Catàlegs i designacions:
Noms Propis
HD 1989HD 5966
TYCHO-2 2000TYC 3680-1572-1
USNO-A2.0USNO-A2 1425-01437821
HIPHIP 4828
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