MOA 2019-BLG-138

Event Parameters

Internal ID:gb15-R-7-20272
Discovery date:2019-04-12T20:30:37
RA:18:07:40.73
Dec:-25:59:34.06
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
45686 18:07:40.79 -25:59:35.53 18.30 ± 0.09 1.77
45836 18:07:40.53 -25:59:30.48 15.73 ± 0.04 4.83

Last 5 photometry measurements

Observation dateI magseeing
2460244.911 (2023-Oct-27.411) 23.07 ± 17.19 3.65
2460245.866 (2023-Oct-28.366) 99.99 ± 99.99 3.43
2460245.909 (2023-Oct-28.409) 99.99 ± 99.99 3.39
2460246.865 (2023-Oct-29.365) 20.78 ± 1.99 3.51
2460246.912 (2023-Oct-29.412) 19.93 ± 1.14 3.58

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

Single lens fit parameters

tmax =JD 2458586.38 ± 0.01 UT (2019-Apr-12.88)
tE =19.71 ± 3.51 days
u0 =0.0050 ± 0.0010
Ibase =21.14 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice