VLA archive file 22B-193.sb43011019.eb45299192.60381.49588545139 #27

xinglunju · 2024-07-12T09:26:22Z

xinglunju · 2024-07-12T09:26:50Z

Log Name: 2024-03-12_1154_22B-193
Project: 22B-193
SBID(s): 43011019
EBID(s): 45299192
Observing Date: 12-Mar-2024
Observation Type: Science
Bands Used: X K
No. of Subarrays: 1
Observer(PI): Prof Elisabeth Mills
Source File(s): 22B-193_sb43011019_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)
12Mar 11:55:18 -6.0 0.8 SW at 1.9 m/s 787.0 3.8
12Mar 12:00:25 -6.1 0.9 SW at 2.7 m/s 787.0 3.8
12Mar 13:00:07 -6.6 -2.8 W at 2.3 m/s 787.2 1.5
12Mar 14:00:52 -8.6 -4.6 NW at 0.3 m/s 787.4 2.7
12Mar 15:00:10 -6.2 1.6 NW at 0.7 m/s 787.7 2.2

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

12Mar 11:55:18 Sky cover 20%. Stratiform clouds.
12Mar 12:00:25 Sky cover 20%. Stratiform clouds.
12Mar 13:00:07 Sky cover 20%. Stratiform clouds.
12Mar 14:00:52 Sky cover 10%. Stratiform clouds.
12Mar 15:00:10 Sky cover 10%. Stratiform 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

12Mar 11:54:04
Starting project 22B-193.

12Mar 11:54:04
The band(s) used is(are): X K.

12Mar 11:55:00
On source 1331+305=3C286 with all available antennas.

12Mar 11:54:04
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.

12Mar 11:54:04
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/

12Mar 11:54:04
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/

12Mar 11:54:04 12Mar 15:23:30 SERVO WO-20495 1.00 209.4
Antenna(s) 24 (Data: Lost):
Excluded due to stuck azimuth motor.

12Mar 11:54:04 12Mar 15:23:30 ANTENNA PADS WO-20494 1.00 209.4
Antenna(s) 28 (Data: Lost):
Excluded due to recent move. Antenna 28 is not yet ready for science.

12Mar 11:54:04 12Mar 15:23:30 FOCUS/ROTATION WO-18988 0.10 20.9
Antenna(s) 18 (Data: Lost):
Frequent subreflector faults or position errors.

12Mar 14:00:00
Your new operator(s) is(are): Laura Shishkovsky and Katie Grabowski

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

12-Mar-2024 15:23:30 5654.7 7.8% 439.8