MOA 2017-BLG-109

Event Parameters

Internal ID:gb3-R-8-18722
Discovery date:2017-03-16T18:49:46
RA:17:56:50.08
Dec:-32:45:20.21
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
100828 17:56:50.32 -32:45:19.17 17.20 ± 0.12 4.13
100941 17:56:50.02 -32:45:20.29 15.34 ± 0.04 0.57
100966 17:56:49.99 -32:45:23.72 18.14 ± 0.07 3.09

Last 5 photometry measurements

Observation dateI magseeing
2460246.899 (2023-Oct-29.399) 15.32 ± 0.01 3.03
2460246.910 (2023-Oct-29.410) 15.31 ± 0.01 3.27
2460246.922 (2023-Oct-29.422) 15.32 ± 0.01 3.78
2460246.930 (2023-Oct-29.430) 15.29 ± 0.01 3.52
2460246.933 (2023-Oct-29.433) 15.33 ± 0.02 3.66

Calibration: I = 27.40 - 2.5 log10(ΔF + 66496.69)

Single lens fit parameters

tmax =JD 2457844.02 ± 0.29 UT (2017-Mar-31.52)
tE =22979.43 ± 18084.85 days
u0 =0.0040 ± 0.0150
Ibase =25.03 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice