BB325DF / GCN616502 / GRB 141026A
Source
Circulars:
http://gcn.gsfc.nasa.gov/other/141026A.gcn3
Haven't yet looked at the correlated data.
V-FASTR Data
From Kiri:
It looks like your job was broken into two observations:
bb325df_1:
Source Name: J0258+2900
Source RA: 0.781
Source Dec: 0.506
bb325df_2:
Source Name: GCN616502
Source RA: 0.769
Source Dec: 0.470
The pulsar name in bb325df_1 doesn't match the one you specified below. I don't know why.
We do see 4 detections in this job, but none look strongly like pulsar pulses (I think).
Thanks,
Kiri
On 27 oct updated phase center with the following:
Hi,
There is an updated position for this GRB.
Can you please correlate the BB325DF scans of GCN616502
With the following ra/dec?
RA (J2000): 02h 56m 20.24s
Dec (J2000): +26d 55' 40.9"
Cheers,
Keith
Observations
Betty said at the time:
On 10/25/2014 08:38 PM, grbmonitor wrote:
> T+20: 02:58:16 to 03:36:13 (UT) (37 mins) DIR=/users/kbannist/vlbagrb/schedules/BB325DF/t20
Observation was set up to run in this time range. (It could not be done earlier, due to an already running observation.)
Betty
Observers Log
VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project: BB325DF
Observer: Bannister, K.
Project type: VLBA
Obs filename: bb325dfcrd.*
Date/Day: 2014OCT26/299
Ants Scheduled: SC HN NL FD LA PT KP OV BR
=UT-Time===Comment===============================================MF#===%AD==AMD=
Operator is Betty Ragan.
Vclock, gps delta, UT-UTC all check OK.
0258 Begin.
0258-0336 *FD not observing. Communications with the COMM 100 38
site are down.
0258-0302 *All sites slow to get on source, due to this SCH 800 32
project being scheduled immediately after the
previous observation ended.
0302 %SC,KP have what looks like a lot of RFI.
0302-0336 *LA has an Fs_PLL_lock error message, but there
are no bad monitor points showing in the device
browser. It is likely this is a spurious error.
0317-0324 *LA,PT,KP,OV,BR stopped observing on the SW 500 35
legacy side. This is probably related to some
issues with sending out the crd files at the start
of the obs. The gogrb script was hanging while
attempting to contact FD< so I sent the files to
these sites manually. The script then re-sent them,
and they must somehow have been running from an
incomplete version. Had to reboot these sites to
get it to resume.
0324-0327 *LA was repointed later than other sites. TIME 100 3
Clock had to be resynced after the reboot.
0336 End.
Downtime Summary:
Total downtime : 108 min
Percentage downtime of observing: 31.6%
Average downtime per hour : 18.9 min
Total scheduled observing time (# Antennas): 342 min (9)
Notes:
* = Entries where data was affected.
% = Entries where data may have been affected.
& = Entries where the site tech was called out.
WEA = Weather entries.
MF# = Maintenance form or major downtime category associated with a problem.
%AD = The percentage of an antenna affected by a problem.
AMD = Total antenna-minutes downtime for a problem.
Tsys = System Temperature (TP/SP x Tcal/2)
ACU = Antenna Control Unit
FRM = Focus/Rotation Mount
RFI = Radio Frequency Interference
VME = Site control computer
CB = Circuit Breaker
vclock = Program that compares site clock time to a standard.
--
KeithBannister - 2014-10-26