MOA 2018-BLG-289

Event Parameters

Internal ID:gb4-R-9-72618
Discovery date:2018-08-04T12:59:40
RA:17:55:43.66
Dec:-30:40:34.09
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
95054 17:55:43.62 -30:40:34.69 18.34 ± 0.09 0.08
95106 17:55:43.54 -30:40:38.20 17.90 ± 0.12 3.81
95129 17:55:43.48 -30:40:30.55 15.86 ± 0.07 4.65
95149 17:55:43.44 -30:40:33.57 17.63 ± 0.13 2.66
95189 17:55:43.34 -30:40:37.41 16.22 ± 0.06 4.72

Last 5 photometry measurements

Observation dateI magseeing
2460508.165 (2024-Jul-16.665) 18.31 ± 0.09 2.79
2460508.177 (2024-Jul-16.677) 18.40 ± 0.11 2.96
2460508.189 (2024-Jul-16.689) 18.36 ± 0.12 2.78
2460508.199 (2024-Jul-16.699) 18.44 ± 0.17 2.56
2460508.211 (2024-Jul-16.711) 17.83 ± 0.31 2.93

Calibration: I = 27.40 - 2.5 log10(ΔF + 4195.66)

Single lens fit parameters

tmax =JD 2458335.14 ± 0.00 UT (2018-Aug-4.64)
tE =10309.13 ± 8196.70 days
u0 =0.0000 ± 0.0000
Ibase =28.99 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice