MOA 2018-BLG-138

Event Parameters

Internal ID:gb9-R-3-105568
Discovery date:2018-05-02T13:50:16
RA:17:59:46.35
Dec:-29:17:09.67
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
85347 17:59:46.10 -29:17:11.11 17.52 ± 0.10 4.55
85387 17:59:46.18 -29:17:12.49 17.86 ± 0.11 4.58
85425 17:59:46.29 -29:17:05.49 14.94 ± 0.20 3.96
85460 17:59:46.38 -29:17:13.62 18.45 ± 0.22 4.69
85511 17:59:46.45 -29:17:08.85 17.84 ± 0.29 0.79

Last 5 photometry measurements

Observation dateI magseeing
2460508.162 (2024-Jul-16.662) 17.84 ± 0.15 2.80
2460508.175 (2024-Jul-16.675) 17.79 ± 0.19 2.69
2460508.186 (2024-Jul-16.686) 17.74 ± 0.19 2.79
2460508.197 (2024-Jul-16.697) 17.66 ± 0.16 2.62
2460508.210 (2024-Jul-16.710) 17.72 ± 0.49 2.30

Calibration: I = 27.40 - 2.5 log10(ΔF + 6668.07)

Single lens fit parameters

tmax =JD 2458242.26 ± 0.01 UT (2018-May-3.76)
tE =9.39 ± 0.56 days
u0 =0.0562 ± 0.0044
Ibase =18.71 ± 0.28

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice