Hyper Spectral Imager for lunar mineral mapping in visible and near infrared band
The Hyper Spectral Imager (HySI), operating in the visible and near infrared spectral region, is one of the three imaging instruments on board Chandrayaan-1 spacecraft for mineralological study of the Moon. HySI will map the entire lunar surface in 64 contiguous bands in the visible and near infrare...
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| Veröffentlicht in: | Current science (Bangalore) 2009-02, Vol.96 (4), p.496-499 |
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| creator | Kumar, A. S. Kiran Chowdhury, A. Roy Banerjee, A. Dave, A. B. Sharma, B. N. Shah, K. J. Murali, K. R. Mehta, S. Joshi, S. R. Sarkar, S. S. |
| description | The Hyper Spectral Imager (HySI), operating in the visible and near infrared spectral region, is one of the three imaging instruments on board Chandrayaan-1 spacecraft for mineralological study of the Moon. HySI will map the entire lunar surface in 64 contiguous bands in the visible and near infrared (VNIR: 421– 964 nm) with a spatial sampling of 80 m. A wedge filter is employed for the spectral separation and the image is mapped on an area detector. The detector output is processed in the front-end electronics to generate the 64-bands with 12-bit quantization. HySI is a highly compact instrument weighing 2.5 kg with a power requirement of 2.6 W. |
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S. Kiran ; Chowdhury, A. Roy ; Banerjee, A. ; Dave, A. B. ; Sharma, B. N. ; Shah, K. J. ; Murali, K. R. ; Mehta, S. ; Joshi, S. R. ; Sarkar, S. S.</creator><creatorcontrib>Kumar, A. S. Kiran ; Chowdhury, A. Roy ; Banerjee, A. ; Dave, A. B. ; Sharma, B. N. ; Shah, K. J. ; Murali, K. R. ; Mehta, S. ; Joshi, S. R. ; Sarkar, S. S.</creatorcontrib><description>The Hyper Spectral Imager (HySI), operating in the visible and near infrared spectral region, is one of the three imaging instruments on board Chandrayaan-1 spacecraft for mineralological study of the Moon. HySI will map the entire lunar surface in 64 contiguous bands in the visible and near infrared (VNIR: 421– 964 nm) with a spatial sampling of 80 m. A wedge filter is employed for the spectral separation and the image is mapped on an area detector. The detector output is processed in the front-end electronics to generate the 64-bands with 12-bit quantization. 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A wedge filter is employed for the spectral separation and the image is mapped on an area detector. The detector output is processed in the front-end electronics to generate the 64-bands with 12-bit quantization. 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S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Hyper Spectral Imager for lunar mineral mapping in visible and near infrared band</atitle><jtitle>Current science (Bangalore)</jtitle><date>2009-02-25</date><risdate>2009</risdate><volume>96</volume><issue>4</issue><spage>496</spage><epage>499</epage><pages>496-499</pages><issn>0011-3891</issn><abstract>The Hyper Spectral Imager (HySI), operating in the visible and near infrared spectral region, is one of the three imaging instruments on board Chandrayaan-1 spacecraft for mineralological study of the Moon. HySI will map the entire lunar surface in 64 contiguous bands in the visible and near infrared (VNIR: 421– 964 nm) with a spatial sampling of 80 m. A wedge filter is employed for the spectral separation and the image is mapped on an area detector. The detector output is processed in the front-end electronics to generate the 64-bands with 12-bit quantization. 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| ispartof | Current science (Bangalore), 2009-02, Vol.96 (4), p.496-499 |
| issn | 0011-3891 |
| language | eng |
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| source | JSTOR Archive Collection A-Z Listing; EZB-FREE-00999 freely available EZB journals |
| subjects | Calibration Cameras Earths Moon Infrared spectrum Minerals Optical filters Optics Pixels Spacecraft SPECIAL SECTION: CHANDRAYAAN-1 Spectral bands |
| title | Hyper Spectral Imager for lunar mineral mapping in visible and near infrared band |
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