New Delhi, March 5 -- A team of scientists from the Aryabhatta Research Institute of observational sciences (ARIES), Nainital, with help from the Indian Space Research Organisation, have designed and developed a spectrograph, an instrument that separates incoming light by its wavelength or frequency and records the resulting spectrum.

The instrument will support the 3.6 metre Devasthal Optical Telescope (DOT) in Uttarakhand, an official release from the department of science said on Wednesday. The instrument costs nearly Rs.4 crores and has been named Aries-Devasthal Faint Object Spectrograph & Camera (ADFOSC), the release said. So far, such spectrographs were imported by the country and cost nearly 2.5 times more.

The instrument can dete...