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HD 335569


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관련 글

Exact equatorial coordinates of known or new components of some 200 double or multiple systems
A catalog of binary and multiple star systems is being defined as aprelude to astrometric measurements scheduled for the Hipparchossatellite, which will be launched in 1988. Each system is beingphotographed twice to account for known and new components. Positivedeclinations are drawn from the AGK3 catalog, while the SAO catalogfurnishes the negative declinations. Mean square errors are beingcomputed for positions recorded in each of the photographs, yielding anumerical accuracy of 0.001 sec and 0.01 arcsec. The resulting data basewill contain the UNSO designation, the component types, the system name,the photographic magnitude, the spectrum, the observation epoch, theright ascension, the equinoctial declination, the angular position indegrees from the 2000.0 equinox, the recorded position, and remarks asto known features of the objects.

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다음 그룹에 속해있음:


관측 및 측정 데이터

별자리:헤르쿨레스자리
적경:18h03m12.24s
적위:+25°21'55.8"
가시등급:8.486
거리:337.838 파섹
적경상의 고유운동:-6.8
적위상의 고유운동:36.7
B-T magnitude:8.927
V-T magnitude:8.523

천체목록:
일반명   (Edit)
HD 1989HD 335569
TYCHO-2 2000TYC 2095-3226-1
USNO-A2.0USNO-A2 1125-08900941
HIPHIP 88424

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