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Radial velocities. Measurements of 2800 B2-F5 stars for HIPPARCOS
Radial velocities have been determined for a sample of 2930 B2-F5 stars,95% observed by the Hipparcos satellite in the north hemisphere and 80%without reliable radial velocity up to now. Observations were obtainedat the Observatoire de Haute Provence with a dispersion of 80Ä,mm(-1) with the aim of studying stellar and galactic dynamics.Radial velocities have been measured by correlation with templates ofthe same spectral class. The mean obtained precision is 3.0 km s(-1)with three observations. A new MK spectral classification is estimatedfor all stars. Based on observations made at the Haute ProvenceObservatory, France and on data from The Hipparcos Catalogue, ESA.Tables 4, 5 and 6 are only available in electronic form at the CDS viaanonymous ftp to cdsarc.u-strasbg.fr or viahttp://cdsweb.u-strasbg.fr/Abstract.htm

Archenhold occultation summary. I - First results
First results of lunar occultation observation and reduction at theArchenhold observatory are presented. Using the 50 cm-Cassegraintelescope under urban observing conditions acceptable results for 16events have been obtained including one suspected occultation binary.

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Dades d'Observació i Astrometria

Constel·lació:Gemini
Ascensió Recta:06h38m35.52s
Declinació:+26°54'19.6"
Magnitud Aparent:8.356
Distancia:694.444 parsecs
Moviment propi RA:-2.9
Moviment propi Dec:-11.1
B-T magnitude:8.413
V-T magnitude:8.361

Catàlegs i designacions:
Noms Propis   (Edit)
HD 1989HD 47196
TYCHO-2 2000TYC 1888-425-1
USNO-A2.0USNO-A2 1125-04301381
HIPHIP 31759

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