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HD 151207


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Photoelectric Light Curve of V502 Oph
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Photoelectric observations and light curves analysis of V502 Ophiuchi
The B and V photoelectric observations of the eclipsing system V502Ophiuchi obtained during 1986 at the Kryonerion Astronomical Station ofthe National Observatory of Greece are given. New photoelectric andabsolute elements of the system are given and a new ephemeris formula isproposed which fits better the present observations, since the period ofthe system continues to decrease.

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Observation and Astrometry data

Constellation:Ophiucus
Right ascension:16h45m54.31s
Declination:+00°59'15.4"
Apparent magnitude:8.261
Proper motion RA:-17.2
Proper motion Dec:-35.2
B-T magnitude:9.002
V-T magnitude:8.323

Catalogs and designations:
Proper Names
HD 1989HD 151207
TYCHO-2 2000TYC 384-1488-1
USNO-A2.0USNO-A2 0900-08936232
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