Lunar Occultations with Infrared Arrays

Chandrasekhar, T.; Shah, Rajesh; Mondal, S.
September 2003
Bulletin of the Astronomical Society of India;Sep-Dec2003, Vol. 31 Issue 3/4, p471
Academic Journal
Recently we have successfully observed the lunar occultation of a carbon star IRC+20120 and a M5 star IRC+10241 with the NICMOS sub array at the 1.2m Gurushikhar telescope. The integration times were respectively 5 millisec and 3 millisec per sample in the broad K band. The interval between two integrations was ∼ 16 millisec. FOV of the sub array was 10 arcsec x 10 arcsec. Details of the experiment and results are discussed.


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