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SMART FOVID Values
In IRS FITS data files the keyword "FOVID" denotes the particular field of view for a given observation.This table lists the possible values for the "FOVID" keyword :
| Header Keyword | Value | Field of View |
| FOVID | 18 | IRS_Red_Peak-Up_FOV_Center |
| FOVID | 19 | IRS_Red_Peak-Up_FOV_Sweet_Spot |
| FOVID | 22 | IRS_Blue_Peak-Up_FOV_Center |
| FOVID | 23 | IRS_Blue_Peak-Up_FOV_Sweet_Spot |
| FOVID | 26 | IRS_Short-Lo_1st_Order_1st_Position |
| FOVID | 27 | IRS_Short-Lo_1st_Order_2nd_Position |
| FOVID | 28 | IRS_Short-Lo_1st_Order_Center_Position |
| FOVID | 29 | IRS_Short-Lo_Module_Center |
| FOVID | 32 | IRS_Short-Lo_2nd_Order_1st_Position |
| FOVID | 33 | IRS_Short-Lo_2nd_Order_2nd_Position |
| FOVID | 34 | IRS_Short-Lo_2nd_Order_Center_Position |
| FOVID | 38 | IRS_Long-Lo_1st_Order_1st_Position |
| FOVID | 39 | IRS_Long-Lo_1st_Order_2nd_Position |
| FOVID | 40 | IRS_Long-Lo_1st_Order_Center_Position |
| FOVID | 41 | IRS_Long-Lo_Module_Center |
| FOVID | 44 | IRS_Long-Lo_2nd_Order_1st_Position |
| FOVID | 45 | IRS_Long-Lo_2nd_Order_2nd_Position |
| FOVID | 46 | IRS_Long-Lo_2nd_Order_Center_Position |
| FOVID | 50 | IRS_Short-Hi_1st_Position |
| FOVID | 51 | IRS_Short-Hi_2nd_Position |
| FOVID | 52 | IRS_Short-Hi_Center_Position |
| FOVID | 56 | IRS_Long-Hi_1st_Position |
| FOVID | 57 | IRS_Long-Hi_2nd_Position |
| FOVID | 58 | IRS_Long-Hi_Center_Position |
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