Alignment of ABCD receivers (installed till March 2009)
The Pointing Model is maintained with respect to the 3mm receiver B100. The misalignment and focus error (D-focus) of the other receivers with respect to B100 is the following:
Rx misal.(") date D_focus(mm) date
A100 <1 (JP&CT) 07-Jan-09, +0.09 ±0.03 13-Mar-07
A230 1.34 ±0.18 27-Feb-07, +0.43 ±0.02 13-Mar-07
A100 0.76 (from SN&JP, 19-Nov-08)
B100 0.00 0.00
B230 1.74 ±0.16 27-Feb-07, +0.40 ±0.10 17-Apr-07
C150 1.26 ±0.24 5-Feb-07, +0.64 ±0.13 17-Apr-07
C270 0.78 ±0.18 5-Feb-07, +0.36 ±0.15 17-Apr-07
D150 1.03 ±0.13 12-Mar-07, +0.26 ±0.02 12-Mar-07
D270 1.40 ±0.19 12-Mar-07, +0.18 ±0.05 12-Mar-07
HERA ~5 04-Aug-08 (for central pixel, staff meeting, JP)