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HD 219114


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RS CVN Stars in the AAVSO Photoelectric Photometry Program
We report V Photometry of three RS CVn stars--HK Lac, SZ Psc, and LambdaAnd--from the AAVSO photoelectric photometry program, and fromtransformed Hipparcos photometry, over 3500 days. Eighteen photoelectricphotometry observers contributed to this project. The stars vary onperiods of days to weeks, due to rotation of a spotted photosphere. Therotational light curves vary on time scales of months to years, due tochanges in the area and/or distribution of the spots.

Photometric observations of RS Canum Venaticorum stars
Photometric observations of the following RS CVn stars are presented anddiscussed: HR 3 (33 Psc), HR 373 (39 Cet), LX Per, HR 4374 (53 UMa), HR4665, HR 7275, HK Lac, HR 8448 (AR Lac), HR 8575, HR 8703 and SZ Psc.Observations of HR 3 and HR 8448 are fragmentary. HR 4374 is notphotometrically variable. For the other stars, the range, phase andshape of the photometric distortion wave have been determined.

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Observation and Astrometry data

Constellation:Pisces
Right ascension:23h13m28.38s
Declination:+00°55'50.1"
Apparent magnitude:7.539
Distance:90.58 parsecs
Proper motion RA:-22.2
Proper motion Dec:-19.3
B-T magnitude:7.893
V-T magnitude:7.569

Catalogs and designations:
Proper Names
HD 1989HD 219114
TYCHO-2 2000TYC 577-9-1
USNO-A2.0USNO-A2 0900-20349192
HIPHIP 114644

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