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HD 112522


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A catalogue of QSOs and link stars for the HST link of the HIPPARCOS reference frame
A list of bright (less than 17 mag) southern QSOs and bright (less than11 mag) stars that may be suitable for the Hubble Space Telescope linkbetween the Hipparcos astrometric reference frame and the VLBIextragalactic frame is presented. The QSOs have been selected fromvarious lists of radio objects and identifications. The stars have beenselected from the Strasbourg (CDS) data base and from the PreliminarySecond Cape Photographic Catalog, and supplemented with stars measuredfrom the SERC IIIa-J Schmidt survey. These QSOs and stars have beenincluded in the Hipparcos and HST schedule of observations.

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观测天体数据

星座:半人馬座
右阿森松:12h57m35.17s
赤纬:-33°52'20.3"
视星:8.722
距离:147.493 天文距离
右阿森松适当运动:-21.9
赤纬适当运动:-9.8
B-T magnitude:9.192
V-T magnitude:8.761

目录:
适当名称
HD 1989HD 112522
TYCHO-2 2000TYC 7257-932-1
USNO-A2.0USNO-A2 0525-15618222
HIPHIP 63246

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