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HD 33105


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Two-colour photometry for 9473 components of close Hipparcos double and multiple stars
Using observations obtained with the Tycho instrument of the ESAHipparcos satellite, a two-colour photometry is produced for componentsof more than 7 000 Hipparcos double and multiple stars with angularseparations 0.1 to 2.5 arcsec. We publish 9473 components of 5173systems with separations above 0.3 arcsec. The majority of them did nothave Tycho photometry in the Hipparcos catalogue. The magnitudes arederived in the Tycho B_T and V_T passbands, similar to the Johnsonpassbands. Photometrically resolved components of the binaries withstatistically significant trigonometric parallaxes can be put on an HRdiagram, the majority of them for the first time. Based on observationsmade with the ESA Hipparcos satellite.

CCD measurements of visual double stars made with the 50 CM refractor of the Nice Observatory
We present the measurements of 49 visual double stars made in 1997 withthe 50 cm refractor of the Nice Observatory (Table 1). A CCD camera wasattached to this refractor. Some new binaries discovered by Hipparcoshave been measured. The algorithm used for these measurements is basedon the adjustment of a tridimensional mathematical surface. Table 1 isalso available in electronic form at CDS viahttp://cdsweb.u-strasbg.fr/Abstract.html }

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.

Micrometer observations of double stars and new pairs. XIII
From a program of double star observations which emphasizes orbital,neglected, and newly discovered pairs, results obtained from October1984 to January 1987 are presented. A total of 3030 visual and 550photographic measures are listed. The positions in WDS format andDurchmusterung numbers are shown for 117 pairs for which firstobservations appear in this paper. Magnitudes are estimated for some ofthe objects.

Etoiles doubles nouvelles (15eme serie) decouvertes a Nice.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1979A&AS...35..197C&db_key=AST

Stars with large Proper Motions in the Hyderabab Astrographic zones + 36° to + 39° (Final list)
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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Arabaci
Sað Açýklýk:05h09m42.71s
Yükselim:+37°40'57.6"
Görünürdeki Parlaklýk:8.141
Uzaklýk:151.515 parsek
özdevim Sað Açýklýk:-55.8
özdevim Yükselim:-33.2
B-T magnitude:9.47
V-T magnitude:8.251

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 33105
TYCHO-2 2000TYC 2895-2800-1
USNO-A2.0USNO-A2 1275-04403730
HIPHIP 24013
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