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OEJV# Publication's title Author   Date
  Abstract / note  

 
0004New Spots Appears on V 728 Her?
245 kB
Lubos Brat2005-10-21
 New CCD observation of V728 Her shows asymmetric light curve near minimum. There is no asymmetry present in photometric B and V light curve obtained in 1988 by Agerer and col. New multicolor CCD observation of V728 Her is needed.

Simbad object(s): V728 Her,

comments2

Wolfgang Renz wrote 2006-05-15:
Dear Mr. Brat.
Is it still possible that the asymetry is caused by chromatic extinction effects ?
Did you check the colors of the comp and check stars ?
Regards
WR

Lubos Brat wrote 2006-05-16:
Variable and comparison stars have aproximately the same color (according to color-combinated ccd image).


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