ET.SKY-MAP

오늘의사진

HD 208503

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A preliminary compilation of DS-programme star positions A catalog is presented of the double-star-program (DS-program) starpositions, listing right ascensions for 930 DSs and declinations for1225 DSs of the program. The positions were compiled from the observedvalues obtained between 1980 and 1987 with the meridian circles of sixUSSR observatories (the Moscow, Kazan', Kiev, Khar'kov, Odessa, andTashkent Observatories) and the Belgrade Observatory. The measurementsand the treatment of the observational material were performed using therelative method, and the FK-4 system stars were used as reference stars.
Radial-velocity measurements. V - Ground support of the HIPPARCOS satellite observation program The paper presents data on 1070 radial velocity measurements of starsdistributed in 39 fields measuring 4 deg x 4 deg. The PPO series ofFehrenbach et al. (1987) and Duflot et al. (1990) is continued using theFehrenbach objective prism method.
Curva di luce fotoelettrica ed orbita della variabile ad eclisse AW Pegasi Not Available

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Observation and Astrometry data

Constellation:	Pegasus
Right ascension:	21^h56^m04.92^s
Declination:	+24Â°20'23.5"
Apparent magnitude:	7.968
Distance:	222.717 parsecs
Proper motion RA:	13
Proper motion Dec:	-13.4
B-T magnitude:	8.006
V-T magnitude:	7.972

Catalogs and designations:

Proper Names
HD 1989	HD 208503
TYCHO-2 2000	TYC 2203-1481-1
USNO-A2.0	USNO-A2 1125-18925090
HIP	HIP 108270

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