Chandra Aspect Operations

Fid Drop in Obsid 5690

5690 appears to be very similar to 2679. Here we have no visible displacement and no status bits set before a fid drop, but we have a visible event of some kind before the loss.

ACA0 and PCAD0 telemetry around event

aca0TimeD_TimeIMGFUNC1IMGSTATBGDAVGBGDRMSBGDSTATIMGROW0IMGCOL0
aca0 233554375.76-14.171 2813255-77 163
aca0 233554379.86-10.071 2913255-77 163
aca0 233554383.96 -5.971 4515255-77 163
aca0 233554388.06 -1.873 10231023255-77 163
aca0 233554392.16 2.230 511  511 511
aca0 233554393.19 3.260 511  511 511
aca0 233554394.21 4.280 511  511 511
aca0 233554395.24 5.310 511  511 511
aca0 233554396.26 6.330 511  511 511
aca0 233554397.29 7.360 511  511 511
aca0 233554398.31 8.380 511  511 511


pcad0TimeD_TimeCOMMPROGAOACHIBKAOPCADMDAOACASEQIMGSTATAOACYANAOACZAN
pcad0 233554375.58-14.350OKNPNTKALM  397.53 806.85
pcad0 233554377.63-12.300OKNPNTKALM  397.50 806.83
pcad0 233554379.68-10.250OKNPNTKALM  397.50 806.83
pcad0 233554381.73 -8.200OKNPNTKALM  397.50 806.85
pcad0 233554383.78 -6.150OKNPNTKALM  397.50 806.83
pcad0 233554385.83 -4.100OKNPNTKALM  397.50 806.83
pcad0 233554387.88 -2.050OKNPNTKALM  397.50 806.85
pcad0 233554389.93 0.000OKNPNTKALM -3276.80-3276.80
pcad0 233554391.98 2.050OKNPNTKALM -3276.80-3276.80
pcad0 233554394.03 4.1016OKNPNTKALM -3276.80-3276.80
pcad0 233554396.08 6.1516OKNPNTKALM -3276.80-3276.80


ACA0 pictures

Each picture is also a link to the full aca_movie screen shot.



Last modified:04/12/06


Aspect Operations  |  Aspect Public  |  Chandra Science |  Chandra Home |  iCXC (CXC only) | 


The Chandra X-Ray Center (CXC) is operated for NASA by the Smithsonian Astrophysical Observatory.
60 Garden Street, Cambridge, MA 02138 USA.    Email: aspect_help@head.cfa.harvard.edu
Smithsonian Institution, Copyright © 1998-2004. All rights reserved.