MOA 2017-BLG-402

Event Parameters

Internal ID:gb9-R-8-54717
Discovery date:2017-07-24T15:32:05
RA:18:00:25.48
Dec:-29:10:38.94
Current assessment:microlensing/cv
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
75369 18:00:25.62 -29:10:43.64 17.17 ± 0.09 4.96
75422 18:00:25.51 -29:10:39.70 17.45 ± 0.14 1.05
75438 18:00:25.47 -29:10:42.32 14.89 ± 0.04 2.92
75457 18:00:25.42 -29:10:36.35 17.95 ± 0.15 3.28
75618 18:00:25.13 -29:10:41.47 17.77 ± 0.15 4.50

Last 5 photometry measurements

Observation dateI magseeing
2460246.884 (2023-Oct-29.384) 17.31 ± 0.11 3.52
2460246.896 (2023-Oct-29.396) 17.54 ± 0.12 3.23
2460246.906 (2023-Oct-29.406) 17.22 ± 0.12 3.47
2460246.918 (2023-Oct-29.418) 17.49 ± 0.17 3.58
2460246.927 (2023-Oct-29.427) 17.57 ± 0.15 3.61

Calibration: I = 27.40 - 2.5 log10(ΔF + 9532.35)

Single lens fit parameters

tmax =JD 2457959.02 ± 0.00 UT (2017-Jul-24.52)
tE =10.65 ± 0.00 days
u0 =0.0026 ± 0.0000
Ibase =21.58 ± 0.30

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice