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(1993 Mar. 22)
subject: information on DI UMa
Sorry for the delay because of impairment of our workstation.
DI UMa
The information on this star is limited here, too. My CCD measurement
in quiescence gives the following position (idenification based on AAVSO
chart, also confirmed by the original discovery paper appeared in Astron.
Nachricht.).
090846.75 +510612.4 1950 DI UMa
The star was confirmed to be a cataclysmic binary by spectroscopy
(the authors I don't remember), and its double-peaked emission lines
are suggestive of high orbital inclination. Observation to detect
possible eclipses would be interesting.
Regards,
Taichi Kato
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