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HD 231121


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DSS Images   Other Images


Ýlgili Makaleler

ICCD Speckle Observations of Binary Stars. XVII. Measurements During 1993-1995 From the Mount Wilson 2.5-M Telescope.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1997AJ....114.1639H&db_key=AST

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 observations of double stars.8.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1975ApJS...29..315H&db_key=AST

Mesures d'étoiles doubles faites à Nice
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1972A&AS....6..185C&db_key=AST

Mesures d'étoiles doubles faites à Nice aux lunettes de 50 et de 74 CM
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1970A&AS....3...51C&db_key=AST

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Okcuk
Sað Açýklýk:19h18m48.90s
Yükselim:+17°36'22.9"
Görünürdeki Parlaklýk:8.786
Uzaklýk:199.203 parsek
özdevim Sað Açýklýk:3.1
özdevim Yükselim:9.7
B-T magnitude:9.135
V-T magnitude:8.815

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 231121
TYCHO-2 2000TYC 1603-1180-1
USNO-A2.0USNO-A2 1050-13620828
HIPHIP 94911
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