3.6-m Devasthal Optical Telescope
3.6-m Devasthal Optical Telescope
| Location | Devasthal observatory (Devasthal, India) |
| Coordinates | 29°22′ north , 79°41′ east |
| Altitude | 2540m |
| Type | optical Ritchey–Chrétien telescope |
| Opterated by | ARIES (Nainital, India) |
| Instruments |
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Telescope time
Request based on observing proposals:
| Form | online in Dopses |
| Submission | online in Dopses |
| Requirement | 60% for Indian proposals (PI with Indian affiliation) 33% for ARIES proposals (PI affiliated to ARIES) 7% for Belgian proposals (PI affiliated to Belgian institute) |
Observing cycles
| Cycle C1 | 1 February - 31 May | (proposal deadline: 1 December) |
| Cycle C2 | 1 October - 31 January | (proposal deadline: 1 August) |
Instruments
IMAGER: (user manual; Pandey et al., 018, BSRSL 87, 422011)
| Wavelengths | 400-900 nm |
| Field-of-view | 6.5'x6.5' |
| Filters (broad) | SDSS u, g, r, i, z; Bessel U, B, V, R, I |
TIRCAM2 (TIFR Near Infrared Imaging Camera - II): (user manual; Baug et al., 2018, JAI 7, 1850003)
| Wavelengths | 1.0-3.7 μm |
| Field-of-view | 86.5"x86.5" |
| Filters (broad) | J, H, K |
| Filters (narrow) | BrG, K-cont, PHH, nb |
ADFOSC (ARIES-Devasthal Faint Object Spectrograph & Camera): (user manual; Omar et al., 2019, arXiv:1902.05857)
| Wavelengths | 350-1050 nm |
| Field-of-view | 13.6'x13.6'" |
| Filters (broad) | SDSS u, g, r, i, z |
| Filters (narrow) | width 10.2 nm with λc 491.6/660.9/674.3,683.3 nm |
| Spectral resolution | 0.1-0.7 nm/pixel |
TANSPEC (TIFR-ARIES Near-Infrared Spectrometer): (instrument details; user manual)
| Wavelengths | 550-2540 nm |
| Field-of-view | 1'x1' |
| Filters (broad) | r, I, Y, J, H, K |
| Filters (narrow) | H2, BrG |
| Spectral resolution | ~2750 (cross-dispersed); ~100-350 (grism) |