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Документ взят из кэша поисковой машины. Адрес
оригинального документа
: http://www.stsci.edu/ftp/documents/p2pi/HTMLjavahelpCy20/ch03_targ_fixed07.html
Дата изменения: Thu May 31 18:25:59 2012 Дата индексирования: Mon Apr 11 19:58:21 2016 Кодировка: Поисковые слова: обвмадеойс нефептощи рпфплпч |
| Space Telescope Science Institute |
| Cycle 20 Phase II Proposal Instructions |
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3.6 Coordinate Reference Frame [Reference_Frame]This keyword replaces Coordinate_Source starting with Cycle 14 Calibration and all Cycle 15 programs. Select one of the following Reference_Frame values for each target.To be used if the coordinate reference frame is tied to the International Celestial Reference System (ICRS). Catalogs tied to the ICRS include: HST Guide Star Catalog 2 (GSC2), Hipparcos Catalog and the Tycho-2 Catalog.To be used if the coordinate reference frame is tied to the HST Guide Star Catalog 1. The Plate ID of the special catalogs (those with an ID ZZZx, where x=0-9, a-z) must be included with your coordinates.
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