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HD 178995

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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.
Search for light variability among eight stars with anomalous helium content A search for periodic light variability was carried out among eightstars with anomalous helium content. No variability was detected duringthe observation period for HD 178993, HD 207538, and HD 209339. Theperiod obtained for HD 184927 by Bond and Levato (1977) was confirmed.For HD 191980, HD 208266, and HD 217833, photometric variability wasdetected and periods were obtained.
Mesures d'étoiles doubles faites au réfracteur de 38 cm de l'Observatoire de Nice Not Available

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:	Kartal
Sað Açýklýk:	19^h10^m11.90^s
Yükselim:	+16Â°06'19.4"
Görünürdeki Parlaklýk:	9.109
özdevim Sað Açýklýk:	2.4
özdevim Yükselim:	-6.8
B-T magnitude:	9.596
V-T magnitude:	9.15

Kataloglar ve belirtme:

Özgün isimleri	(Edit)
HD 1989	HD 178995
TYCHO-2 2000	TYC 1586-3643-1
USNO-A2.0	USNO-A2 1050-13201050
HIP	HIP 94173

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