Instruments

Aryabhatta Research Institute
of observational Sciences

3.6m Devasthal Optical Telescope (DOT)

Parameter	SPIM	IMAGER	ADFOSC	TANSPEC	TIRCAM2
Wavelength range	350 to 1000 nm	400 to 900 nm	350 to 1050 nm	550 to 2540 nm	1 to 3.7 μm
Mode	Imaging	Imaging	Imaging and spectroscopy	Imaging and spectroscopy	Imaging
Field of view	6’.5 x 6’.5	6’.5 x 6’.5	13’.6 x 13’.6	1’ x 1’	86”.5 x 86”.6
Spectral resolution	-	-	< 2000	2750 (Cross-dispersed mode), 100 to 350 (Prism mode)	-
Imaging resolution	< 1”	< 1”	< 1”.5	< 1”	< 1”