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
2460246.887 (2023-Oct-29.387) 18.18 ± 0.25 3.53
2460246.898 (2023-Oct-29.398) 18.32 ± 0.27 3.30
2460246.909 (2023-Oct-29.409) 17.61 ± 0.19 3.50
2460246.920 (2023-Oct-29.420) 17.67 ± 0.24 3.78
2460246.929 (2023-Oct-29.429) 17.39 ± 0.19 3.78

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