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HD 36975


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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.

Lunar occultation summary. III
Observations of 242 photoelectric lunar occultation events studied atErwin W. Fick Observatory are reported. Approximately one-fourth ofthese are reappearances. From each observation are estimated the minimummagnitude differences between the observed object and possibleundetected companions. Occultation observations are given of 23 starsbrighter than 6th mag, including Alpha Vir, Beta-1 Sco, Mu Gem, Xi-2Sgr, Zeta Tau, Lambda Gem, and Beta Cap.

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Osservazione e dati astrometrici

Costellazione:Toro
Ascensione retta:05h36m02.59s
Declinazione:+19°32'57.9"
Magnitudine apparente:7.165
Distanza:3703.704 parsec
Moto proprio RA:-1.3
Moto proprio Dec:-13.2
B-T magnitude:7.249
V-T magnitude:7.172

Cataloghi e designazioni:
Nomi esatti
HD 1989HD 36975
TYCHO-2 2000TYC 1306-820-1
USNO-A2.0USNO-A2 1050-02255398
HIPHIP 26298

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