MOA 2018-BLG-287

Event Parameters

Internal ID:gb15-R-4-9907
Discovery date:2018-08-03T15:22:58
RA:18:04:52.69
Dec:-26:06:17.92
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
47134 18:04:52.45 -26:06:17.58 20.35 ± 0.25 3.92
47290 18:04:52.70 -26:06:13.63 16.87 ± 0.04 3.87
47308 18:04:52.73 -26:06:20.09 17.03 ± 0.05 2.87
47355 18:04:52.83 -26:06:17.31 20.11 ± 0.18 1.33
47436 18:04:52.96 -26:06:15.91 19.01 ± 0.10 3.53

Last 5 photometry measurements

Observation dateI magseeing
2460244.911 (2023-Oct-27.411) 19.33 ± 0.45 3.57
2460245.866 (2023-Oct-28.366) 19.79 ± 0.57 3.37
2460245.909 (2023-Oct-28.409) 21.34 ± 3.17 3.31
2460246.865 (2023-Oct-29.365) 19.48 ± 0.48 3.47
2460246.912 (2023-Oct-29.412) 19.03 ± 0.42 3.62

Calibration: I = 27.40 - 2.5 log10(ΔF + 827.18)

Single lens fit parameters

tmax =JD 2458335.88 ± 0.03 UT (2018-Aug-5.38)
tE =29.22 ± 2.11 days
u0 =0.0977 ± 0.0087
Ibase =20.01 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice