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
2460602.936 (2024-Oct-19.436) 15.50 ± 0.01 3.60
2460610.882 (2024-Oct-27.382) 15.55 ± 0.05 5.39
2460610.925 (2024-Oct-27.425) 15.52 ± 0.03 4.66
2460611.903 (2024-Oct-28.403) 15.51 ± 0.02 4.43
2460614.887 (2024-Oct-31.387) 15.66 ± 0.06 5.48

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