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HD 104089


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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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Observation and Astrometry data

Constellation:Vierge
Right ascension:11h59m18.95s
Declination:+00°01'11.2"
Apparent magnitude:9.246
Proper motion RA:-11.7
Proper motion Dec:-20
B-T magnitude:9.738
V-T magnitude:9.287

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 104089
TYCHO-2 2000TYC 273-434-1
USNO-A2.0USNO-A2 0900-07047847
HIPHIP 58461

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