MOA 2017-BLG-387

Event Parameters

Internal ID:gb17-R-1-39908
Discovery date:2017-07-17T18:44:35
RA:18:11:27.74
Dec:-26:41:40.71
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
108479 18:11:27.48 -26:41:41.46 18.45 ± 0.08 4.43
108528 18:11:27.58 -26:41:37.43 17.48 ± 0.06 4.07
108566 18:11:27.64 -26:41:42.89 18.32 ± 0.07 3.50
108638 18:11:27.88 -26:41:37.79 15.56 ± 0.02 2.82

Last 5 photometry measurements

Observation dateI magseeing
2460610.879 (2024-Oct-27.379) 16.22 ± 0.29 5.64
2460610.916 (2024-Oct-27.416) 16.70 ± 0.20 5.39
2460611.891 (2024-Oct-28.391) 17.93 ± 0.37 4.69
2460611.926 (2024-Oct-28.426) 16.16 ± 0.29 5.93
2460614.884 (2024-Oct-31.384) 16.62 ± 0.28 5.69

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

Single lens fit parameters

tmax =JD 2457951.24 ± 0.05 UT (2017-Jul-16.74)
tE =29.14 ± 6.73 days
u0 =0.0587 ± 0.0237
Ibase =20.01 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice