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chara:fringe_offsets [2019/06/04 13:39] gail_stargazer |
chara:fringe_offsets [2019/07/18 03:39] gail_stargazer |
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The fringe offsets on any given night will depend on the POP configuration and the daily alignment. The table below gives a range of values where the fringes have been found for each cart on multiple nights across different POP configurations. The ranges should at least provide a guide for how far one might need to look to find fringes. The relative offsets between any pair of telescopes can be calculated from the differences between the ranges. | The fringe offsets on any given night will depend on the POP configuration and the daily alignment. The table below gives a range of values where the fringes have been found for each cart on multiple nights across different POP configurations. The ranges should at least provide a guide for how far one might need to look to find fringes. The relative offsets between any pair of telescopes can be calculated from the differences between the ranges. | ||
+ | Fringe offsets during 6T MIRCX observations in 2019 July (W2 as reference cart): | ||
+ | |||
+ | S1: -0.8 mm to +0.2 mm\\ | ||
+ | S2: -0.6 mm to +0.2 mm\\ | ||
+ | E1: -1.1 mm to +0.5 mm\\ | ||
+ | E2: -0.4 mm to +0.6 mm\\ | ||
+ | W1: -0.2 mm to +0.2 mm\\ | ||
+ | W2: Reference Cart | ||
+ | |||
+ | NOTE: Theo installed a new baseline solution on 2019Jun26. This is based on Aaron' | ||
+ | \\ | ||
Fringe offsets during 6T MIRCX observations on 2019 May 31 - June 2 (W2 as reference cart): | Fringe offsets during 6T MIRCX observations on 2019 May 31 - June 2 (W2 as reference cart): | ||