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HD 48884


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ICCD speckle observations of binary stars. II - Measurements during 1982-1985 from the Kitt Peak 4 M telescope
This paper represents the continuation of a systematic program of binarystar speckle interferometry initiated at the 4 m telescope on Kitt Peakin late 1975. Between 1975 and 1981, the observations were obtained witha photographic speckle camera, the data from which were reduced byoptical analog methods. In mid-1982, a new speckle camera employing anintensified charge-coupled device as the detector continued the programand necessitated the development of new digital procedures for reducingand analyzing speckle data. The camera and the data-processingtechniques are described herein. This paper presents 2780 newmeasurements of 1012 binary and multiple star systems, including thefirst direct resolution of 64 systems, for the interval 1982 through1985.

Mesures d'étoiles doubles faites au 0,38 m de l'Observatoire de Paris.
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Mesures d'étoiles doubles faites à l'Observatoire du Pic-du-Midi en février-mars 1956
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Observations d'Etoiles Doubles avec un micromètre interférentiel à demi-onde
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Osservazione e dati astrometrici

Costellazione:Gemelli
Ascensione retta:06h46m20.91s
Declinazione:+18°12'08.0"
Magnitudine apparente:8.313
Moto proprio RA:-8.1
Moto proprio Dec:-10.9
B-T magnitude:8.797
V-T magnitude:8.353

Cataloghi e designazioni:
Nomi esatti   (Edit)
HD 1989HD 48884
TYCHO-2 2000TYC 1334-733-1
USNO-A2.0USNO-A2 1050-04257330
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