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HD 178355


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Measurements of close binaries performed at PIC DU Midi
A total of 241 measurements of 119 close binaries observed with the 2-mTelescope Bernard Lyot at Pic du Midi Observatory are given. Themeasurements were performed with a micrometer with illuminated wires.

Binary star measurements made at Pic-du-Midi
The 2-m Pic-du-Midi telescope has been used to obtain 130 visualmeasurements of 64 very close binaries. The measurements were made withan illuminated cross wire micrometer which provided magnificationfactors of 2500 to 5000. Data are presented in tabular form for suchmeasurements as total visual magnitude, angular position andseparations, and period.

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

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Tilkicik
Sað Açýklýk:19h07m18.39s
Yükselim:+24°31'33.0"
Görünürdeki Parlaklýk:8.696
Uzaklýk:248.139 parsek
özdevim Sað Açýklýk:-0.4
özdevim Yükselim:-2.3
B-T magnitude:8.832
V-T magnitude:8.708

Kataloglar ve belirtme:
Özgün isimleri
HD 1989HD 178355
TYCHO-2 2000TYC 2127-1898-1
USNO-A2.0USNO-A2 1125-11421452
HIPHIP 93905

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