MOA 2017-BLG-138

Event Parameters

Internal ID:gb15-R-4-9279
Discovery date:2017-03-29T15:55:03
RA:18:03:54.94
Dec:-26:11:29.51
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
20707 18:03:54.77 -26:11:30.06 18.52 ± 0.06 3.24
20776 18:03:54.93 -26:11:26.06 16.89 ± 0.14 3.09
20789 18:03:55.01 -26:11:28.68 15.54 ± 0.01 0.42
20842 18:03:55.13 -26:11:27.30 17.30 ± 0.03 2.67
20871 18:03:55.19 -26:11:32.30 21.23 ± 0.38 4.50
20916 18:03:55.32 -26:11:29.34 19.61 ± 0.09 4.76

Last 5 photometry measurements

Observation dateI magseeing
2460244.911 (2023-Oct-27.411) 15.44 ± 0.02 3.56
2460245.866 (2023-Oct-28.366) 15.43 ± 0.01 3.37
2460245.909 (2023-Oct-28.409) 15.48 ± 0.02 3.30
2460246.865 (2023-Oct-29.365) 15.49 ± 0.02 3.37
2460246.912 (2023-Oct-29.412) 15.44 ± 0.02 3.59

Calibration: I = 27.40 - 2.5 log10(ΔF + 55513.68)

Single lens fit parameters

tmax =JD 2457915.34 ± 0.07 UT (2017-Jun-10.84)
tE =1209.55 ± 18.80 days
u0 =0.0280 ± 0.0005
Ibase =20.55 ± 0.10

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice