Friday 15 April 2022 9.00am EDT
During the last week Chandra completed the observing schedule as planned. Preparations were completed for the Spring 2022 eclipse season; the season contains 14 eclipses and runs from April 14 to May 18. Real-time procedures were executed on Apr 13 to prepare for the first eclipse by dumping and clearing the EPS glitch counters, activating SCS 29, and setting the Short Eclipse Flag to true (short). Chandra passed through the first eclipse the season on Apr 14 with nominal power and thermal performance. An additional real-time procedure was executed on Apr 14 to set the Short Eclipse Flag to false (medium). A real-time procedure was executed on Apr 14 to upload the MUPS Effective Thruster Algorithm (META) Patch. An additional real-time procedure was executed on Apr 15 to dump OBC-A memory as a follow-up to the patch. The dump will be used to update the baseline memory images maintained on the ground. The schedule of targets for the next week is shown below and includes an observation of 4U 1626-67 coordinated with IXPE. |
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ACOS780 ACIS-S Apr 18
Abell2744 ACIS-I
ACOS780 ACIS-S
Abell2744 ACIS-I
GDH6 ACIS-I Apr 19
A1795 ACIS-I
Radiation Belts
A1795 ACIS-I
A2319 ACIS-I Apr 20
2RXSJ144522.7-08541 ACIS-S
GDHIdp35 ACIS-I
Abell2744 ACIS-I
GDHIdp35 ACIS-I Apr 21
A1795 ACIS-I
UGC4308 ACIS-S
GDH6 ACIS-I
GDH6 ACIS-I
GDHIdp35 (4 times) ACIS-I Apr 22
GDHIdp38 ACIS-I
Radiation Belts
A1795 ACIS-I
A2319 ACIS-I
FRB200430 ACIS-S Apr 23
PKS1830-211 ACIS-S
Abell2744 ACIS-I
4U1626-67 ACIS-S/HETG
PKS1417-19 ACIS-S Apr 24
GDH6 ACIS-I
Abell2744 ACIS-I
GDH6 ACIS-I
FRB200430 ACIS-S
Radiation Belts------------------------------------------
All spacecraft subsystems except HRC continued to support nominal operations.
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Revised: July 08, 2022