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Archive Data Products |
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Bit definition for MIPS 70 and 160 microns pmaskBit # Condition ----- -------------------------------------------------------------- 0 1 2 Noisy Pixel 3 Bad electronic nonlinearity 4 5 6 7 8 Bad half of 70um array 9 10 11 12 13 14 Bad pixel (e.g., bad readout) 15 <reserved: sign bit>
Spitzer Post-BCD Mosaicer: Input parameter for PmasksFor 70 microns:To drop all questionable pixels: PMask_Fatal_BitPattern = 16644 (bits 2,8,14) To drop bad half of array, plus bad pixel, plus nonlinearity-affected ones: PMask_Fatal_BitPattern = 16648 (bits 3,8,14) To drop just bad half of array, plus bad pixel: PMask_Fatal_BitPattern = 16640 (bits 8,14) For 160 microns: PMask_Fatal_BitPattern = 16640 (bits 8,14)
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help@spitzer.caltech.edu http://ssc.spitzer.caltech.edu/mips/products/mipsge_pmask.html