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HD 157090


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UBVRI photometry of G, K, M HIPPARCOS stars. II
As indicated by Grenon (1989), the data of the present series of reportson the UBVRI photometry of late-type stars in the Hipparcos InputCatalog are to be employed in computations of Hipparcos observing time,as well as in evaluating the observability of faint stars by thesatellite. Attention is here given to late type stars in the V = 8-12range, including distant red giants in the Galactic plane (Hipparcosproposal 189), as well as high proper motion stars included in the G,LTT, LP, and MCC catalogs.

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观测天体数据

星座:蛇夫座
右阿森松:17h21m56.30s
赤纬:-17°46'29.1"
视星:9.117
右阿森松适当运动:-33.4
赤纬适当运动:-29.2
B-T magnitude:11.247
V-T magnitude:9.293

目录:
适当名称   (Edit)
HD 1989HD 157090
TYCHO-2 2000TYC 6238-819-1
USNO-A2.0USNO-A2 0675-19029302
HIPHIP 84964

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