MOA 2018-BLG-228

Event Parameters

Internal ID:gb10-R-4-41746
Discovery date:2018-07-09T15:51:03
RA:17:59:10.21
Dec:-27:50:06.28
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
156745 17:59:09.97 -27:50:08.43 16.53 ± 0.08 4.84
156746 17:59:09.95 -27:50:05.73 15.64 ± 0.07 4.20
156908 17:59:10.19 -27:50:09.30 16.93 ± 0.11 3.81
157011 17:59:10.39 -27:50:04.89 17.67 ± 0.11 2.09

Last 5 photometry measurements

Observation dateI magseeing
2460599.903 (2024-Oct-16.403) 99.99 ± 99.99 2.53
2460599.913 (2024-Oct-16.413) 21.87 ± 8.79 2.81
2460599.925 (2024-Oct-16.425) 20.44 ± 2.06 3.14
2460599.937 (2024-Oct-16.437) 19.66 ± 1.06 3.07
2460599.947 (2024-Oct-16.447) 20.28 ± 1.90 2.93

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2458310.78 ± 0.00 UT (2018-Jul-11.28)
tE =16.42 ± 0.35 days
u0 =0.0134 ± 0.0004
Ibase =19.88 ± 0.29

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice