Abstract:
TIFR Near Infrared Imaging Camera-II (TIRCAM2) is being used at the Devasthal Optical
Telescope (DOT) operated by Aryabhatta Research Institute of Observational Sciences (ARIES), Nainital,
Uttarakhand, India. In addition to the normal full frame observations, there has been a requirement for high
speed sub-array observations for applications, such as lunar occultation and star speckle observations. Fast
sub-array modes have been implemented in TIRCAM2 with suitable changes in the camera software at the
computer and controller DSP code level. Successful observations have been carried out with the fast sub-array
mode of observation.