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Log Name: 2024-03-08_1309_22B-193 Project: 22B-193 SBID(s): 43003826 EBID(s): 45297607 Observing Date: 08-Mar-2024 Observation Type: Science Bands Used: X K No. of Subarrays: 1 Observer(PI): Prof Elisabeth Mills Source File(s): 22B-193_sb43003826_1_1 Operator(s): Pete DeSimone Array Configuration: C Decommissioned Antenna: 26
Adobe PDF version of this log is located at: http://www.vla.nrao.edu/operators/logs/
WEATHER INFORMATION
Time(UTC) Dew Pt Temp Wind Bar Press API RMS Phase(degs) 08Mar 13:12:15 -0.8 -1.4 SW at 3.5 m/s 782.6 2.2 08Mar 14:00:09 -0.9 -1.3 SW at 4.4 m/s 782.9 2.9 08Mar 14:42:29 -0.8 -0.7 SW at 3.7 m/s 783.4 2.2 08Mar 15:00:12 -0.6 -0.7 SW at 4.1 m/s 783.7 2.3 08Mar 16:07:20 -0.9 0.9 SW at 4.7 m/s 784.1 4.1
Operator comments for the above weather entries
08Mar 13:12:15 Sky cover 60%. Cumuliform clouds. 08Mar 14:00:09 Sky overcast. Cumuliform clouds. 08Mar 14:42:29 Sky overcast. Cumuliform clouds. Snow. 08Mar 15:00:12 Sky overcast. Cumuliform clouds. Snow. 08Mar 16:07:20 Sky cover 90%. Cumuliform clouds.
COMMENTS AND OUTAGES
Outage information format: Start Time, End Time, Category, Form#, # Antennas, Down Time(minutes) Antenna ID(s) and Data Effect Description
Number of Antennas Used: 27
08Mar 13:09:24 Starting project 22B-193.
08Mar 13:09:24 The band(s) used is(are): X K.
08Mar 13:11:58 On source 1331+305=3C286 with all available antennas.
08Mar 13:09:24 Antenna(s):28 do not have good baseline positions determined for them because they were moved to their present location recently. Please check for any significant errors and submit them to the NRAO Helpdesk (https://science.nrao.edu/observing/helpdesk) under the VLA Observing department.
08Mar 13:09:24 To access your data from the NRAO archive visit: https://science.nrao.edu/facilities/vla/archive All VLA science data are processed through the VLA calibration pipeline. Details are at: https://science.nrao.edu/facilities/vla/data-processing/pipeline For further questions please use the NRAO Helpdesk at: https://science.nrao.edu/observing/helpdesk Adobe PDF version of this log is located at: http://www.vla.nrao.edu/operators/logs/
08Mar 13:09:24 Note: To support our ongoing RFI monitoring efforts, any feedback from your program on RFI can be sent to: nrao-rfi@nrao.edu The key information to provide is:
08Mar 13:09:24 08Mar 16:38:51 FOCUS/ROTATION WO-18988 0.10 20.9 Antenna(s) 18 (Data: Lost): Frequent subreflector faults or position errors.
08Mar 14:22:01 08Mar 14:27:01 SOFTWARE Other 5.70 28.5 Antenna(s) All (Data: Lost): The zero-valued visibility fraction for AC_8-bit on Subband 1 was given as 21.1%.
08Mar 15:00:00 Your new operator(s) is(are): Laura Shishkovsky
Project End Time Total Time % Down Time Total Down Time (minutes x 27 ants) (minutes)
08-Mar-2024 16:38:51 5655.2 0.9% 49.4
SB 43003826 JACKS region 12
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