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The Mt John CCD System: Status and First Scientific Results

Published online by Cambridge University Press:  25 April 2016

William Tobin
William Tobin*
Affiliation:
Department of Physics andMt John University Observatory, University of Canterbury, Christchurch, New Zealand
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Abstract

A Photometrics CCD system containing a TH7882 chip has been in use at Mt John since 1989 October for imaging photometry. Extra control software has increased observing ease and image-header information. Photometrically the system appears to be performing satisfactorily. The blue helium star LSS 99 showed no variation exceeding ~ 1% over 40 min of observation. The blue eclipsing binary HV 1761 in the Small Magellanic Cloud is found to have approximately equal components.

Type
Instruments & Facilities
Information
Publications of the Astronomical Society of Australia , Volume 9 , Issue 1 , 1991 , pp. 164 - 166
Copyright
Copyright © Astronomical Society of Australia 1991

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References

McCall, M. L., English, J. and Shelton, I., 1989, J. Roy. Astron. Soc. Canada, 83, 179.Google Scholar