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HD 184425


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Mesures d'etoiles doubles faites a Nice, etoiles doubles nouvelles (24eme serie) decouvertes a Nice.
Table 1 gives 1182 measurements of 682 binaries observed with the 74 and50 cm refractors. Table 2 lists 26 new binaries discovered with the 50cm refractor.

Radial velocity measurements. II - Ground-based observations of the program stars for the HIPPARCOS satellite
New radial velocities for 446 stars of magnitude 9.0 or brighter in 1616-sq-deg fields of the Northern Hemisphere are determined by automaticPDS measurement of 80-A/mm-dispersion spectra obtained at theObservatoire de Haute Provence using a 17-cm-diameter objective prism.The fields were selected to provide data for the input catalog of theESA Hipparcos astrometric satellite. The measurement techniques andprecision are discussed, and the results are presented in extensivetables and graphs.

Mesures d'étoiles doubles à Meudon (2^éme série)
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Mikrometermessungen von Doppelsternen. VI.
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Mesures d'etoiles doubles faites AU 38cm de l'Observatoire de Paris.
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Mesures d'étoiles doubles faites au réfracteur de 38 cm de l'Observatoire de Nice
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Mesures d'étoiles doubles faites à l'Observatoire de Paris
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观测天体数据

星座:天鵝座
右阿森松:19h33m08.94s
赤纬:+32°53'38.7"
视星:8.148
距离:316.456 天文距离
右阿森松适当运动:2.1
赤纬适当运动:-3.7
B-T magnitude:8.169
V-T magnitude:8.15

目录:
适当名称   (Edit)
HD 1989HD 184425
TYCHO-2 2000TYC 2659-1268-1
USNO-A2.0USNO-A2 1200-12005181
HIPHIP 96162

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