Aryabhatta Research Institute
of observational Sciences
3.6m Devasthal Optical Telescope (DOT)
Aryabhatta Research Institute
of observational Sciences
| Parameter | SPIM | IMAGER | ADFOSC | TANSPEC | TIRCAM2 | TA-MOONS | HRS |
| Wavelength range | 350 to 1000 nm | 400 to 900 nm | 350 to 1050 nm | 550 to 2540 nm | 1 to 3.7 μm | 0.36 to 2.5 μm | 380 to 900 nm |
| Mode | Imaging | Imaging | Imaging and spectroscopy | Imaging and spectroscopy | Imaging | Spectroscopy | Spectroscopy |
| 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 | 12’ | - |
| Spectral resolution | - | - | < 2000 | 2750 (Cross-dispersed mode), 100 to 350 (Prism mode) | - | 2500 | 40000 and 80000 |
| Imaging resolution | < 1” | < 1” | < 1”.5 | < 1” | < 1” | - | - |
