MOA 2017-BLG-139

Event Parameters

Internal ID:gb9-R-7-48934
Discovery date:2017-03-29T15:56:18
RA:18:01:12.27
Dec:-29:34:58.48
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
46657 18:01:12.27 -29:34:57.20 15.83 ± 0.07 2.03
46733 18:01:12.09 -29:34:57.24 17.67 ± 0.19 2.59

Last 5 photometry measurements

Observation dateI magseeing
2460246.884 (2023-Oct-29.384) 17.84 ± 0.19 3.48
2460246.896 (2023-Oct-29.396) 17.74 ± 0.18 3.14
2460246.906 (2023-Oct-29.406) 18.78 ± 0.36 3.37
2460246.918 (2023-Oct-29.418) 19.43 ± 0.69 3.43
2460246.927 (2023-Oct-29.427) 21.99 ± 8.13 3.43

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

Single lens fit parameters

tmax =JD 2457830.47 ± 0.08 UT (2017-Mar-17.97)
tE =23.79 ± 0.94 days
u0 =0.3371 ± 0.0199
Ibase =18.01 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice