PRL Advanced Radial-velocity All-sky Search
PRL Advanced Radial-velocity Abu-sky Search, abbreviated PARAS,[1] is a ground-based extrasolar planet search device. Based at 1.2m telescope is located at Mt. Abu, India.The project is funded by Physical Research Laboratory, India. The spectrograph works at a resolution of 67000. With the help of simultaneous calibration technique, PARAS has achieved an RV accuracy of 1.3 m/s for the bright sun like quiet stars. Thorium-Argon lamp is used for calibration. New calibration techniques are also being explored by the project team. PARAS can detect planet in the habitable zone around M-type stars.
References
- Chakraborty, Abhijit & Mahadevan, Suvrath & Roy, Arpita & M. Pathan, Fazalahmed & Shah, Vishal & H. Richardson, Eric & Ubale, Girish & Shah, Rajesh. (2010). First light results from PARAS: The PRL Echelle spectrograph. Proc SPIE. 7735. doi:10.1117/12.856555.
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