MOA 2018-BLG-311

Event Parameters

Internal ID:gb1-R-3-19836
Discovery date:2018-08-11T11:16:48
RA:17:45:58.04
Dec:-34:07:20.77
Current assessment:microlensing/cv
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
147539 17:45:57.76 -34:07:17.52 19.17 ± 0.22 4.96
147687 17:45:57.99 -34:07:22.64 19.89 ± 0.25 2.82
147688 17:45:58.02 -34:07:18.59 18.35 ± 0.12 1.85
147722 17:45:58.09 -34:07:20.60 19.03 ± 0.16 0.44
147778 17:45:58.06 -34:07:15.87 18.53 ± 0.13 4.46
147852 17:45:58.39 -34:07:17.26 19.77 ± 0.31 4.93
147877 17:45:58.37 -34:07:20.69 18.98 ± 0.17 3.72

Last 5 photometry measurements

Observation dateI magseeing
2460245.923 (2023-Oct-28.423) 20.57 ± 1.95 3.59
2460245.937 (2023-Oct-28.437) 19.96 ± 1.25 3.73
2460246.859 (2023-Oct-29.359) 19.27 ± 0.49 3.80
2460246.892 (2023-Oct-29.392) 18.80 ± 0.30 3.72
2460246.926 (2023-Oct-29.426) 18.56 ± 0.34 3.74

Calibration: I = 27.40 - 2.5 log10(ΔF + 2232.54)

Single lens fit parameters

tmax =JD 2458340.17 ± 0.03 UT (2018-Aug-9.67)
tE =1.22 ± 2.90 days
u0 =10.7592 ± 7.8415
Ibase =8.78 ± 0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice