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HD 9840


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관련 글

Photoelectric photometry of selected SAO stars. III
Photometric observations of 131 SAO stars for use in calibrating dataobtained from the Near Infrared Photographic Sky Survey (NIPSS) arereported. The serial numbers of the primary NIPSS program fields inwhich the photometry was done are shown along with the approximateposition of each field and the number of stars observed in each field.The observations are listed, showing the SAO numbers of the programstars, their 1950 equatorial coordinates, the V magnitudes, and the(V-R) and (V-I) color indices. The mean errors in magnitudes and colorindices obtained by averaging deviations from the mean for each star areon the order of 0.02 mag.

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다음 그룹에 속해있음:


관측 및 측정 데이터

별자리:페르세우스자리
적경:01h37m07.91s
적위:+51°19'52.3"
가시등급:8.997
거리:549.451 파섹
적경상의 고유운동:7.3
적위상의 고유운동:-3.4
B-T magnitude:9.261
V-T magnitude:9.019

천체목록:
일반명   (Edit)
HD 1989HD 9840
TYCHO-2 2000TYC 3290-509-1
USNO-A2.0USNO-A2 1350-01534499
HIPHIP 7538

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