TYCHO PHOTOMETRY CALIBRATION AND 1ST RESULTS

DR SCALES,MAJ SNIJDERS, GK ANDREASEN,M GRENON,M GREWING,E HOG,F VANLEEUWEN,L LINDEGREN, H MAUDER

ASTRONOMY & ASTROPHYSICS（1992）

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摘要

The data reduction methods used for the Tycho photometry are presented and the software package to implement these methods is described. Results derived from a preliminary reduction of eight weeks of data using these methods are presented. A critical discussion is presented of the sources of photometric errors and the expected and the achieved photometric accuracy.

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关键词

STARS, PHOTOMETRY,CATALOGS,DATA ANALYSIS,HIPPARCOS

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