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Mahesh

02/05/23 09:15 AM IST

Low-cost star sensor

In News
  • A new low-cost star sensor developed by astronomers from off-the-shelf components was recently launched by ISRO on board PSLV C-55.
Features
  • The StarBerrySense payload developed by the Indian Institute of Astrophysics (IIA), an autonomous institute of the Department of Science and Technology (DST), was launched on 22 April.
  • This novel low-cost sensor designed to quickly calculate where the satellite is pointing is being tested in space for the very first time.
  • A star sensor provides the most accurate information about a spacecraft’s orientation.
  • The start sensor designed by the Space Payloads Group at IIA is capable of finding its pointing direction in space by identifying the stars in its field of view.
  • This payload is built around the well-known minicomputer RaspberryPi, and the electronics and software were designed in-house.
  • StarBerrySense was mounted on ISRO's PSLV Orbital Experimental Module (POEM), which provides a stable platform for our payload to operate from.
  • POEM is a unique initiative by ISRO that utilises the spent 4th stage of the PSLV as an orbital platform for carrying out scientific experiments.
  • The main function of StarBerrySense is to image the field of view, correctly identify the stars it sees, and calculate the pointing direction.
Source- PIB

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