Separation of 29 vir components during its total occultation by moon on 01/10/04 (French Title: Separation des composantes de 29 vir lors de son occultation par la lune le 10/01/04 a l'aide d'une camera video)

Details Separation of 29 vir components during its total occultation by moon on 01/10/04 (French Title: Separation des composantes de 29 vir lors de son occultation par la lune le 10/01/04 a l'aide d'une camera video) Separation of 29 vir components during its total occultation by moon on 01/10/04 (French Title: Separation des composantes de 29 vir lors de son occultation par la lune le 10/01/04 a l'aide d'une camera video)

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004o%26t....58...22f&link_type=abstract

Observations & Travaux, vol. 58, p. 22-24

Computer Science

Scientific paper

The occultation of stars by the Moon is a way to separate the close double star components.We had checked that during the 29Vir occultation by Moon on 04/01/10.Using a video camera and a time inserter, the video signal is recorded on a VTR (video tape recorder). On reading stop picture mode it is possible to separate the frames of the video record, the accuracy of 20 milliseconds is reached. On the digitized pictures, the value of the star flux on each one, is used through a tabulator to draw the light curve of the phenomenon.The reappearance of the first component increase the level of the signal, during the reappearance of the second one the level increase again.It is a way to separate very close components but as the lunar profile is not well known it is impossible to quantify the exact values of the parameters.

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