MOA 2017-BLG-388

Event Parameters

Internal ID:gb3-R-1-59606
Discovery date:2017-07-18T11:55:08
RA:17:53:18.39
Dec:-31:57:33.71
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
91861 17:53:18.21 -31:57:29.80 17.58 ± 0.05 4.62
91893 17:53:18.34 -31:57:35.97 15.03 ± 0.06 3.25
91916 17:53:18.43 -31:57:33.26 17.22 ± 0.07 0.16
91964 17:53:18.52 -31:57:36.96 15.93 ± 0.06 4.22

Last 5 photometry measurements

Observation dateI magseeing
2460246.899 (2023-Oct-29.399) 17.88 ± 0.22 3.69
2460246.910 (2023-Oct-29.410) 17.75 ± 0.20 3.66
2460246.922 (2023-Oct-29.422) 17.54 ± 0.17 4.02
2460246.930 (2023-Oct-29.430) 17.59 ± 0.17 3.92
2460246.933 (2023-Oct-29.433) 17.47 ± 0.13 4.06

Calibration: I = 27.40 - 2.5 log10(ΔF + 11846.77)

Single lens fit parameters

tmax =JD 2457988.97 ± 0.12 UT (2017-Aug-23.47)
tE =103.68 ± 1.59 days
u0 =0.3415 ± 0.0083
Ibase =17.76 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice