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HD 217992


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Ýlgili Makaleler

Measurements of double stars 1993.67 - 1998.13
624 Micrometer Measurements of 224 pairs with a 32.5 cm Cassegrain, 719Measurements of 310 double stars with a 360 mm Newtonian are given.Tables 1 to 4 are available in electronic form only at the CDS130.79.128.5 or via http://cdsweb.u-strasbg.fr/Abstract.html

A. de Sitter's photographic polar photometry revisited; some remarks on photographic photometry with objective gratings
Not Available

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.

Micrometer Observations of Double Stars and New Pairs - Part Ten
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1980ApJS...44..111H&db_key=AST

Micrometer Measures of Double Stars.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1959ApJS....4...45V&db_key=AST

Mesures d'étoiles doubles faites au réfracteur de 38 cm de l'Observatoire de Nice
Not Available

Mesures d'étoiles doubles faites à Stras bourg- dernière série
Not Available

Photographic magnitudes of stars brighter than 7m.75 between +75° and +80° declination (Errata: 11 270)
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Yerkes actinometry. Zone +73deg to +90deg.
Not Available

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Kral-Sefe
Sað Açýklýk:23h01m14.87s
Yükselim:+80°46'54.5"
Görünürdeki Parlaklýk:6.694
Uzaklýk:137.741 parsek
özdevim Sað Açýklýk:28.5
özdevim Yükselim:26.1
B-T magnitude:6.966
V-T magnitude:6.717

Kataloglar ve belirtme:
Özgün isimleri
HD 1989HD 217992
TYCHO-2 2000TYC 4613-1169-1
USNO-A2.0USNO-A2 1650-02670971
HIPHIP 113664
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