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HD 7997


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Photoelectric Minima of Some Eclipsing Binary Stars
We present 29 minima observations of 11 eclipsing binaries.

UBV Photoelectric Observations of UV Piscium
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The 1986 Light Curves of UV Piscium
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Light and colour curve observations and analysis of the short period eclipsing binary system UV PSC
In the present work B and V light curves and the (B-V)-color curve ofthe short period (RS CVn type) binary system UV Psc are presented andanalyzed, and absolute information from the available data are derived.Chi-squared minimization procedures were utilized to a large extent infitting light and color curves. The solutions show the binary to be at adistance of about 90 pc with two detached components which are close tothe main sequence (G2 and K0). The inclination of the orbit is close to90 deg. Photometric irregularities present in the light curve arebriefly considered in relation to current ideas on RS CVn systems, andthe color information indicates that a locally hotter (rather thancooler) region is responsible for the irregularities.

Observations of UV Psc and XY Cet
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UV Psc - a Short Period RS CVn Star
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Observation and Astrometry data

Constellation:Pisces
Right ascension:01h19m32.93s
Declination:+07°29'26.7"
Apparent magnitude:8.435
Distance:408.163 parsecs
Proper motion RA:-7.7
Proper motion Dec:-7.6
B-T magnitude:9.597
V-T magnitude:8.531

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 7997
TYCHO-2 2000TYC 26-89-1
USNO-A2.0USNO-A2 0900-00311280
HIPHIP 6205

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