VLA archive file 22B-193.sb43011628.eb45298954.60378.53381320601

[xinglunju]

SB 43011628
JACKS region 20

• Observations completed
• VLA CASA Calibration pipeline run by observatory
• Weblog downloaded and unpacked
• Raw data downloaded (specify where)
  • local machine
  • Globus
• Pipeline calibration assessment
• Calibrated MS generated
  • Uploaded to Globus
• Imaging: Continuum
• Imaging: Lines
  • NH3 (1,1)
  • NH3 (2,2)
  • NH3 (3,3)
  • NH3 (4,4)
  • NH3 (5,5)
  • H2O
  • H64
  • H66
  • NH3 (2,1)
  • NH3 (3,2)
  • NH3 (4,3)
  • NH3 (5,4)
  • NH3 (6,5)

Product Links

[xinglunju]

Log Name: 2024-03-09_1248_22B-193
Project: 22B-193
SBID(s): 43011628
EBID(s): 45298954
Observing Date: 09-Mar-2024
Observation Type: Science
Bands Used: X K
No. of Subarrays: 1
Observer(PI): Prof Elisabeth Mills
Source File(s): 22B-193_sb43011628_1_1
Operator(s): Sam Gilmore
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)
09Mar 12:56:09 -1.7 -2.3 E at 4.5 m/s 788.5 3.5
09Mar 14:01:22 -1.7 -2.3 E at 3.4 m/s 789.1 3.6
09Mar 15:00:27 -1.3 -1.5 E at 3.1 m/s 789.7 4.9
09Mar 16:02:05 -0.5 -0.7 E at 2.5 m/s 790.4 4.1

*** Operator comments for the above weather entries ***

09Mar 12:56:09 Sky cover 50%. Mixed clouds.
09Mar 14:01:22 Sky overcast. Mixed clouds.
09Mar 15:00:27 Sky overcast. Mixed clouds. Snow.
09Mar 16:02:05 Sky overcast. Mixed 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

09Mar 12:48:41
Starting project 22B-193.

09Mar 12:48:41
The band(s) used is(are): X K.

09Mar 12:48:42
On source 1331+305 with all available antennas.

09Mar 12:48:41
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.

09Mar 12:48:41
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/

09Mar 12:48:41
Note: To support our ongoing RFI monitoring efforts, any feedback from your
program on RFI can be sent to: [email protected]
The key information to provide is:

• Observation/project code
• Frequency and Time of the observations
• The characteristics of the RFI signal, in particular if it is continuous or
  intermittent?
• If possible, a spectrum of the RFI should be included in the e-mail.
  Thanks very much for your support; this information will be continuously
  updated on the EVLA science pages at:
  https://science.nrao.edu/facilities/vla/docs/manuals/obsguide/modes/rfi/

Project End Time Total Time % Down Time Total Down Time
(minutes x 27 ants) (minutes)

09-Mar-2024 16:18:11 5656.5 0.0% 0.0

[xinglunju]

Issues noted but not flagged by staff:

• Low gain amps in ea12 from A0C0.
• Low amps in CGC’s uvwave plot.

[kelizabeth7]

Flagging Summary

• ea02, ea07, and ea12 were all flagged in at least one cmz field by the pipeline

Task Summary

• Flux density bootstrapping and spectral index fitting has a QA score of 0.90 (Max rms of the residuals is 0.005411147773873144)

Stage 13 Plots

Final Amp Time Cal Plots

• ea12 has low gain amps and the data diverges here:
  
• ea28 has an odd plot pattern compared to the straight nature of the other antennae:
  

Final Amp Freq Cal Plots

• ea12 and ea28 plots have odd data spreads:
  
  

Final Phase Gain Cal Plots

• ea12 plot has odd behavior (again, this antenna was noted but not flagged by the staff for low gain amps):
  

Stage 17 Plots

• calibrated phase vs time for all calibrators
  

• Some fall. off data points in the field 1 calibrator:
  

[namithaissac]

Flagging commands