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Thermal Infrared Imaging Spectrometer for Mars Orbiter Mission

2015; Indian Academy of Sciences; Volume: 109; Issue: 6 Linguagem: Inglês

10.18520/cs/v109/i6/1097-1105

0011-3891

R. Singh, Somya S. Sarkar, Manoj Kumar, Anish Saxena, U. S. H. Rao, Arun Bhardwaj, Jalshri Desai, Jitendra Sharma, Amul Patel, Y. Shinde, Hemant Arora, A. R. Srinivas, Jaya Rathi, Hitesh Patel, Meenakshi Sarkar, Arpita Gajaria, S. Manthira Moorthi, Mehul R. Pandya, Ashwin Gujrati, Prakash Chauhan, Kuriakose A. Saji, D. R. M. Samudraiah, A. S. Kiran Kumar,

Spacecraft Design and Technology

Thermal Infrared Imaging Spectrometer (TIS), which operates in the infrared spectral region (7-13 μm), is one of the five instruments on-board the Mars Orbiting Mission (MOM). TIS was designed to detect emitted thermal infrared radiation from the Martian environment, which would enable the estimation of ground temperature of the surface of Mars and also map its surface composition. TIS instrument is a grating-based spectrometer which has spatial resolution of 258 m at periapsis (372 km). TIS hardware was realized with light-weight miniaturized components (total weight 3.2 kg) with power requirement of 6 W. Observations from TIS instrument were carried out during Earth-bound manoeuvres and cruise phase operations of MOM and the results were found to be in agreement with the laboratory measurements.