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HD 84712


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A revised catalogue of delta Sct stars
An extensive and up-dated list of delta Sct stars is presented here.More than 500 papers, published during the last few years, have beenrevised and 341 new variables have been added to our last list, sixyears ago. This catalogue is intended to be a comprehensive review onthe observational characteristics of all the delta Sct stars known untilnow, including stars contained in earlier catalogues together with othernew discovered variables, covering information published until January2000. In summary, 636 variables, 1149 references and 182 individualnotes are presented in this new list. Tables 1 and 2 will be accessibleonly in electronic form at the CDS via anonymous ftp tocdsarc.u-strasbg.fr (130.79.128.5) or viahttp://cdsweb.u-strasbg.fr/Abstract.html

The 73rd Name-List of Variable Stars
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Nine new Delta Scuti stars
Differential photometry in the V and B wavebands is presented for elevendeltaScuti stars. Nine of the stars were not previously known to bevariable stars. All the stars are bright, being in the Henry Drapercatalogue. Physical characteristics of the stars are estimated frompublished spectroscopy or photometry, and pulsation constants arederived. The recently discovered deltaScuti star II Vir may be alambdaBootis star.

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Osservazione e dati astrometrici

Costellazione:Vele
Ascensione retta:09h45m38.81s
Declinazione:-45°54'40.1"
Magnitudine apparente:7.61
Distanza:353.357 parsec
Moto proprio RA:-26.3
Moto proprio Dec:20.6
B-T magnitude:7.965
V-T magnitude:7.64

Cataloghi e designazioni:
Nomi esatti   (Edit)
HD 1989HD 84712
TYCHO-2 2000TYC 8181-1795-1
USNO-A2.0USNO-A2 0375-08860608
HIPHIP 47889

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