NOTE: uvot_fluxes_wget.pl vrs. 2018-11-07 fem at 190328d20h28m18s201965usUT
NOTE: Source region spec. is: 314.69767 41.77647 4"
NOTE: Used archived XRT position of 314.69767  41.77647  4.00
NOTE: position reference is GRB_Auto_Processing
NOTE: Possible detection in uu at T+193.8
NOTE: Possible detection in w1 at T+525.1
NOTE: Possible detection in vv at T+476.0
NOTE: Possible detection in w2 at T+576.4 sum
NOTE: Possible detection in m2 at T+1834.6 sum

=========== Draft Upper Limit Circular ========

GRB 190327: Swift/UVOT Upper Limits

S.W.K. Emery (UCL-MSSL) and ***BA*** (***BA INSTITUTION***)
report on behalf of the Swift/UVOT team:

The Swift/UVOT began settled observations of the field of GRB 190327
194 s after the BAT trigger (***Author*** et al., GCN Circ. ????).
No optical afterglow consistent with the XRT position
*** POSITION REFERENCE is GRB_Auto_Processing ***
is detected in the initial UVOT exposures.
Preliminary 3-sigma upper limits using the UVOT photometric system
(Breeveld et al. 2011, AIP Conf. Proc. 1358, 373) for the first
finding chart (FC) exposure and subsequent exposures are:

Filter         T_start(s)   T_stop(s)      Exp(s)         Mag

u_FC               194          444          246         >15.7
v                  476         6404          612         >14.6
u                  194         5992          784         >15.7
w1                 525         5787          391         >16.8
m2                 500         6524          426         >18.4
w2                 452         6200          430         >17.8

The magnitudes in the table are not corrected for the Galactic extinction
due to the reddening of E(B-V) = 1.37 in the direction of the burst
(Schlegel et al. 1998).


=========== Draft Detection Circular ========

GRB 190327: Swift/UVOT Detection

S.W.K. Emery (UCL-MSSL) and ***BA*** (***BA INSTITUTION***)
report on behalf of the Swift/UVOT team:

The Swift/UVOT began settled observations of the field of GRB 190327
194 s after the BAT trigger (***Author*** et al., GCN Circ. ????).
A source consistent with the XRT position
*** POSITION REFERENCE is GRB_Auto_Processing ***
is detected in the initial UVOT exposures.

Preliminary detections using the UVOT photometric system
(Breeveld et al. 2011, AIP Conf. Proc. 1358, 373) for the early exposures are: 

Filter         T_start(s)   T_stop(s)      Exp(s)           Mag

v                  476          496           20         14.57 +/- 0.06
u                  194          444          246         15.81 +/- 0.03
w1                 525          671           39         16.61 +/- 0.15
m2                 500         6524          426         18.84 +/- 0.19
w2                 452         1180          117         18.06 +/- 0.20

The magnitudes in the table are not corrected for the Galactic extinction
due to the reddening of E(B-V) = 1.37 in the direction of the burst
(Schlegel et al. 1998).