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 DSS Images   Other Images
 
 
 
 관련 글
새 글 등록| Photoelectric UBV photometry for 317 PZT and VZT stars UBV data were taken of 317 stars to fill gaps in photoelectric recordsneeded for establishing a terrestrial reference frame for earthorientation purposes. The study supplied the magnitudes and colors andaided in identifying nearby stars without trigonometric parallaxes. Thesurvey averaged over three observations of each object. A complete tableof the V, B-V, U-B and number of observations of each object isprovided.
 
 
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 관련 링크새 링크 등록
 
 
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