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HD 192803

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Flux Distributions for 59 Stars in Cygnus Absolute flux distributions are given for 59 Cygnus stars in thespectral range of 320--720 nm with a step of 5 nm. Their rms errors areon the average 2--4%. The synthetic color indices calculated for theflux distributions are compared with the observed color indices in threephotometric systems.
Mesures de vitesses radiales. VIII. Accompagnement AU sol DU programme d'observation DU satellite HIPPARCOS We publish 1879 radial velocities of stars distributed in 105 fields of4^{\circ} \times 4^{\circ}. We continue the PPO series \cite[(Fehrenbachet al. 1987;]{Feh87} \cite[Duflot et al. 1990, 1992 and 1995),]{Du90}using the Fehrenbach objective prism method. Table 1 only available inelectronic form at CDS via to cdsarc.u-strasbg.fr (130.79.128.5) or viahttp://cdsweb.u-strasbg.fr/Abstract.html
Visual multiples. VIII - 1000 MK types A total of 1000 new classifications are given for stars brighter than B= 8.0 mag in the Aitken double star catalog. The classificationssupplement 865 classifications obtained in 1981 and 1984. Among thenewly discovered stars are 12 new Ap stars, eight Lambda Bootis stars,one Ba II star, and 60 Am stars. A detailed list of the newclassifications is given.
The Cyg X region VIII : maps of calibrated surface brightness of (H alf + N II). Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1977A&AS...29..209D&db_key=AST
The spectral classification of some stars in the GAM CYG neighbourhood. Not Available
The spectra, magnitudes and colours of O-A type stars in an area of the Milky Way, with the Center alpha = 20h16m, delta = +42 D 30'. Not Available
The visual magnitudes of double stars. Not Available

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观测天体数据

星座:	天鵝座
右阿森松:	20^h15^m08.10^s
赤纬:	+41Â°17'55.4"
视星:	7.896
距离:	709.22 天文距离
右阿森松适当运动:	0.3
赤纬适当运动:	-2.2
B-T magnitude:	7.91
V-T magnitude:	7.898

目录:

适当名称
HD 1989	HD 192803
TYCHO-2 2000	TYC 3159-995-1
USNO-A2.0	USNO-A2 1275-13713144
HIP	HIP 99813

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