ACIS60-V.CFA.HARVARD.EDU LIVE ACIS DATA: MEAN VALUES, SIGMAS, AND STATUS
ACIS Live: Mean Engineering Data - ACIS60-V.CFA.HARVARD.EDU
Web Page Last Updated: Sat Jan 10 14:05:02 UTC 2026
TIME OF LAST DATUM REC'D WAS Sat Jan 10 14:4:39 GMT 2026
DATA WAS IN FMT2 & OBSID 41804 WAS IN PROGRESS
WE ARE CURRENTLY AOS
I last saw data on Sat Jan 10 14:4:54 GMT 2026 (Day 10)

Tracelog File Status is: FRESH

Check the ACIS Limits table

CURRENT ORBITAL INFORMATION

EXPECTED SCHEDULED STATE AT:   Sat Jan 10 14:05:02 UTC 2026 (Day 10)

FP INSTRUMENT
GRATINGS STATUS
OBSID
TLM FORMAT
DITHER STATUS
SCS-155 STATUS
HRC-S ( -99616 )
HETG-IN/LETG-OUT
41804
FMT2
ENAB
CODISAS1

REAL-TIME STATE AT:                       Sat Jan 10 14:4:54 GMT 2026 (Day 10)

FP INSTRUMENT
GRATINGS STATUS
OBSID
TLM FORMAT
DITHER STATUS
SCS-155 STATUS
HRC-S     (-99616.00)
HETG-IN/LETG-OUT
41804
FMT2
ENAB
DISA



SCS-155 Deadman Status at:   Sat Jan 10 14:05:02 UTC 2026 (Day 10)

SCS-155 Deadman
Description
Latest Real Time Contact State
COSCS155S - 9 daySCS-155 Active Status
DISA



CURRENT RADIATION ENVIRONMENT ON CHANDRA

Start Time Sat Jan 10 14:4:36 GMT 2026
End Time Sat Jan 10 13:59:41 GMT 2026


HRC RADMON
Description
MEAN VALUE
SIGMA OF THE MEAN
SCS107 Limit
MCPTOT_B - 9 dayuncalibrated MCP total rate
20.10
0.82
30
SHIELD_B - 9 dayuncalibrated shield rate
22.20
0.53
245

LATEST ORBITAL FLUENCE DATA AT:   Sat Jan 10 14:05:02 UTC 2026

ALTITUDE
LATEST ACIS FLUX (ACE P3 CHANNEL)
ACIS FLUENCE (ACE P3 CHANNEL)
43128 km D
0.00e+00
5.298e+07



ACE 24 Hour EPAM FLUX AND FLUENCE DATA AT:   Sat Jan 10 14:05:02 UTC 2026

ALTITUDE
Plot
LAST P3
LAST Att. P3
ORB. Att. P3 FLU
ORB. Frac.
YEAR Att P3 FLU
43128 km D
24hr Plots
1.791e+02
1.791e+02
6.265e+06
0.808
3.285e+07

Date of Last P3 Data Point:   2026:009:23:41:51.00


Description of ACE 24 Hour table header items. Start Time: Sat Jan 10 14:4:38 GMT 2026



Target and Actual Quaternions:   Sat Jan 10 14:05:02 UTC 2026


MSID
Description
Value
TimeTime of the last value
Sat Jan 10 14:4:38 GMT 2026
AOTARQT1TARGET ATTITUDE QUATERNION 1
-0.0097259209
AOTARQT2TARGET ATTITUDE QUATERNION 2
-0.2618616800
AOTARQT3TARGET ATTITUDE QUATERNION 3
0.7662242700
--------TARGET ATTITUDE QUATERNION 4
---------
AOATTQT1ACTUAL ATTITUDE QUATERNION 1
-0.0097039100
AOATTQT2ACTUAL ATTITUDE QUATERNION 2
-0.2618715200
AOATTQT3ACTUAL ATTITUDE QUATERNION 3
0.7662030500
AOATTQT4ACTUAL ATTITUDE QUATERNION 4
0.5867383500


SIM AND FOCUS POSITIONS



Start Time: Sat Jan 10 14:4:14 GMT 2026
End Time: Sat Jan 10 14:4:14 GMT 2026

MSID
DESCRIPTION
LAST VALUE
[37]TSCPOSSIM TT Position
-99616.00 / -1.00
[37]FAPOSSIM FA Position
-467.00 / -1.00
4HPOS[AB]ROHETG Angle
5.59 / 5.96
4LPOS[AB]ROLETG Angle
76.84 / 76.09



SIM Motor Overcurrent & Stall Cntrs
Start Time: Sat Jan 10 13:59:22 GMT 2026
End Time: Sat Jan 10 14:4:18 GMT 2026

MSID
DESCRIPTION
MEAN VALUE
SIGMA OF THE MEAN
# OF FRAMES
3SMOTOCSIM Motor Overcurrent Cntr
0.00
0.00
10
3SMOTSTLSIM Motor Stall Cntr
0.00
0.00
10



ELECTRICAL DATA
ACIS DPA
Start Time: Sat Jan 10 13:59:41 GMT 2026
End Time: Sat Jan 10 14:4:36 GMT 2026

MSID
DESCRIPTION
MEAN VALUE
SIGMA OF THE MEAN
# OF FRAMES
1DP28AVO - 9day DPA +28V Input A
25.79
0.05
10
1DP28BVO - 9day DPA +28V Input B
25.96
0.05
10
1DPICACU - 9day DPA Input Current A
0.79
0.00
10
1DPICBCU - 9day DPA Input Current B
0.95
0.00
10
DPA A POWER - 9day 1DP28AVO*1DPICACU
20.37
0.04
NA
DPA B POWER - 9day 1DP28BVO*1DPICBCU
24.66
0.05
NA
1DPP0AVO - 9day DPA +5V Analog A
5.20
0.00
10
1DPP0BVO - 9day DPA +5V Analog B
5.22
0.00
10



ACIS DEA
Start Time: Sat Jan 10 14:1:55 GMT 2026
End Time: Sat Jan 10 14:4:23 GMT 2026

DEA A-Side MSID
DESCRIPTION
MEAN VALUE
SIGMA OF THE MEAN
# OF FRAMES
DEA B-Side MSID
DESCRIPTION
MEAN VALUE
SIGMA OF THE MEAN
# OF FRAMES
1DE28AVO - 9day DEA +28V Input A
25.72
0.02
10
1DE28BVO - 9day DEA +28V Input B
25.89
0.02
10
1DEP3AVO - 9day DEA +28V Analog A
30.57
0.02
10
1DEP3BVO - 9day DEA +28V Analog B
0.24
0.02
10
1DEP2AVO - 9day DEA +24V Analog A
24.46
0.02
10
1DEP2BVO - 9day DEA +24V Analog B
0.22
0.02
10
1DEP1AVO - 9day DEA +15V Analog A
15.28
0.01
10
1DEP1BVO - 9day DEA +15V Analog B
0.16
0.00
10
1DEP0AVO - 9day DEA +6V Voltage A
6.08
0.00
10
1DEP0BVO - 9day DEA +6V Voltage B
0.05
0.00
10
1DEN0AVO - 9day DEA -6V Voltage A
-6.13
0.00
10
1DEN0BVO - 9day DEA -6V Voltage B
-0.16
0.00
10
1DEN1AVO - 9day DEA -15V Voltage A
-15.29
0.01
10
1DEN1BVO - 9 day DEA -15V Voltage B
-0.32
0.03
10
1DEICACU - 9 day DEA Input Current A
0.88
0.13
10
1DEICBCU - 9 day DEA Input Current B
0.00
N/A
10
DEA A POWER - 9day 1DE28AVO*1DEICACU
22.63
3.34
NA
DEA B POWER - 9day 1DE28BVO*1DEICBCU
0.00
N/A
N/A

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ACIS-AT-A-GLANCE STATUS LIGHTS
HW AND SW LEDS
HW End Time: Sat Jan 10 14:4:9 GMT 2026
SW End Time: Sat Jan 10 14:4:9 GMT 2026
ACIS MECH
End Time: Sat Jan 10 14:4:12 GMT 2026




MSID
1STAT[7654]ST    STATUS -->
1STAT7STRED (0) -> FIFO EmptyGREEN (1) -> FIFO Not Empty
1STAT6STRED (0) -> FIFO FullGREEN (1) -> FIFO Not Full
1STAT5STRED (0) -> BEP Held In ResetGREEN (1) -> BEP Not In Reset
1STAT4STRED (0) -> BEP A SelectedGREEN (1) -> BEP B Selected
MSID
1STAT[3210]ST    STATUS -->
1STAT3STRED (0) -> BEP Code InitializedGREEN (1) -> BEP Code Initializing
1STAT2STRED (0) -> Watchdog BootGREEN (1) -> Normal Boot
1STAT1STRED (0) -> Science ActiveGREEN (1) -> Science Idle
1STAT0ST0 or 1: BEP SW Is RunningBit Toggles Every 64s

MSID
DESCRIPTION
STATUS
1MDBUAONDoor Enable A
1MDBUBONDoor Enable B
1MODRAOPDoor Open Drive A
1MODRBOPDoor Open Drive B
1MCDRACLDoor Close Drive A
1MCDRBCLDoor Close Drive B
1VVDBAONVent Valve Enable A
1VVDBBONVent Valve Enable B
1VVODAOPVent Valve Open Drive A
1VVODBOPVent Valve Open Drive B
1VVCDACLVent Valve Close Drive A
1VVCDBCLVent Valve Close Drive B
1LVDBAONL V Enabled A
1LVDBBONL V Enabled B




















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ACIS AT A GLANCE
End Time: Sat Jan 10 14:4:11 GMT 2026
ACIS AT A GLANCE
End Time: Sat Jan 10 14:4:11 GMT 2026



MSID
DESCRIPTION
STATUS
1DPPSAXDPA POWER SUPPLY EN/DIS A
1DPPSADPA POWER SUPPLY ON/OFF A
1DPPSBXDPA POWER SUPPLY EN/DIS B
1DPPSBDPA POWER SUPPLY ON/OFF B
1DEPSAXDEA POWER SUPPLY EN/DIS A
1DEPSADEA POWER SUPPLY ON/OFF A

MSID
DESCRIPTION
STATUS
1DAHTAENDA HTR EN/DIS A
1DAHTAONDA HTR ON/OFF A
1DAHTBENDA HTR EN/DIS B
1DAHTBONDA HTR ON/OFF B
1DABOAENDA BAKE OUT EN/DIS A
1DABOAONDA BAKE OUT ON/OFF A
1DABOBENDA BAKE OUT EN/DIS B
1DABOBONDA BAKE OUT ON/OFF B
1DE28AOCDEA POWER SUPPLY +28V Over-Current Protection
1DE28BOCDEA POWER SUPPLY +28V Over-Current Protection
1DEMVAOCDEA POWER SUPPLY Multi-V Over-Current Protection
1DEMVBOCDEA POWER SUPPLY Multi-V Over-Current Protection
1DPCPAOCDPA POWER SUPPLY Over-Current Protection
1DPCPBOCDPA POWER SUPPLY Over-Current Protection
1DEPSBXDEA POWER SUPPLY EN/DIS B
1DEPSBDEA POWER SUPPLY ON/OFF B
























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THERMAL DATA

THERMAL CONTROL DATA: SIDE A and B
Start Time: Sat Jan 10 14:1:57 GMT 2026
End Time: Sat Jan 10 14:4:25 GMT 2026

MSID
DESCRIPTION
MEAN VALUE
SIGMA OF THE MEAN
# OF FRAMES
1CRAT - 9 day Cold Radiator Temp A
-113.54
0.00
10
1CRBT - 9 day Cold Radiator Temp B
404.81
0.00
10
1WRAT - 9 day Warm Radiator Temp A
-74.66
0.00
10
1WRBT - 9day Warm Radiator Temp B
-74.66
0.00
10
1DPAMYT - 9 day DPA -Y Panel Temp (RT810)
27.96
0.00
10
1DPAMZT - 9 day DPA -Z Panel Temp (RT830)
30.78
0.07
10
1DEAMZT - 9 day DEA -Z Panel Temp (RT830)
27.51
0.00
10
1SSPYT - 9 day Suppt Structure +Y Panel Temp (RT810)
25.30
0.00
10
1SSMYT - 9 day Suppt Structure -Y Panel Temp (RT811)
29.73
0.00
10
1PDEAAT - 9 day PSMC DEA Power Supply Temp A
30.48
0.00
10
1PDEABT - 9 day PSMC DEA Power Supply Temp B
24.37
0.42
10
1PIN1AT - 9 day PSMC Temp 1A
71.84
0.00
10
1CBAT - 9 day Camera Body Temp A
-57.42
0.00
10
1CBBT - 9 day Camera Body Temp B
-57.42
0.00
10
1DACTBT - 9 day DA Collimator-Top Temp B
-14.57
0.33
10

ISIM TEMPERATURES
 Start Time: Sat Jan 10 14:2:3 GMT 2026
End Time: Sat Jan 10 14:4:31 GMT 2026

MSID
DESCRIPTION
MEAN VALUE
SIGMA OF THE MEAN
# OF FRAMES
3TSMYDPT - 9 day -Y Shell (facing DPA)
-14.83
0.00
10
3TSPYFET - 9 day +Y Shell (facing HRC)
-29.79
0.00
10
3TSPZDET - 9 day +Z Shell (facing DEA)
-9.84
0.00
10
3TSPZSPT - 9 day +Z Shell (facing SS)
-2.36
0.00
10
3TSMXSPT - 9 day -X Shell (facing SS)
386.74
0.00
10
3TSMXCET - 9 day -X Shell (facing HRC)
30.07
0.00
10
3RCTUBPT - 9 day +X SIM (RCTU base)
9.42
0.00
10
3TTACS1T - 9 day TT at -Y foot
-4.37
0.00
10
3TTACS2T - 9 day TT at +Y foot
-6.87
0.00
10
3TTACS3T - 9 day TT at +Z foot
-10.22
0.00
10


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HEATER DATA
ACIS DA
Start Time: Sat Jan 10 13:59:37 GMT 2026
End Time: Sat Jan 10 14:4:33 GMT 2026

MSID
DESCRIPTION
MEAN VALUE
SIGMA OF THE MEAN
# OF FRAMES
1DAHHAVO - 9 day DA Housing Htr +28V Input A
0.00
0.00
10
1DAHHBVO - 9 day DA Housing Htr +28V Input B
0.00
0.00
10
1DAHAVO - 9 day Detector Assy. Htr Voltage A
0.00
0.00
10
1DAHBVO - 9 day Detector Assy. Htr Voltage B
0.00
0.00
10
1DAHACU - 9 day Detector Assy. Htr Current A
0.00
0.00
10
1DAHBCU - 9 day Detector Assy. Htr Current B
0.00
0.00
10
HTR A POWER - 9day 1DAHAVO*1DAHACU
0.00
NA
NA
HTR B POWER - 9day 1DAHBVO*1DAHBCU
0.00
NA
NA
1DAHAT - 9day Detector Assy. Housing Temp Offset A
21.70
0.42
10
1DAHBT - 9day Detector Assy. Housing Temp Offset B
7.90
0.46
10

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MECHANISMS' DATA
ACIS DOOR
Start Time: Sat Jan 10 14:1:57 GMT 2026
End Time: Sat Jan 10 14:4:25 GMT 2026

* MSID *
DESCRIPTION
MEAN VALUE
SIGMA OF THE MEAN
# OF FRAMES
1DACTAT - 9 day Door Angle Potentiometer
67.60
0.00
10
1OAHAT - 9 day Open Actuator Housing Temp A
-22.59
0.00
10
1OAHBT - 9 day Open Acutator Housing Temp B
-27.60
0.00
10
1MAHOATDoor Open Actuator Temp A
440.41
0.93
10
1MAHOBT Door Open Actuator Temp B
439.27
0.93
10
1MAHCATDoor Close Actuator Temp A
440.41
0.93
10
1MAHCBT Door Close Actuator Temp B
438.12
0.76
10


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Web Page Designed and Maintained by:
Gregg Germain gregg@head.cfa.harvard.edu

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