MOA 2017-BLG-020

Event Parameters

Internal ID:gb9-R-9-88009
Discovery date:2017-02-16T17:46:26
RA:18:00:33.00
Dec:-28:55:50.10
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
145186 18:00:33.18 -28:55:47.74 18.07 ± 0.14 4.29
145187 18:00:33.13 -28:55:50.84 15.65 ± 0.22 2.39
145210 18:00:33.13 -28:55:54.90 15.59 ± 0.03 4.98
145384 18:00:32.79 -28:55:54.81 16.68 ± 0.18 4.83
145419 18:00:32.71 -28:55:49.16 14.66 ± 0.07 3.72

Last 5 photometry measurements

Observation dateI magseeing
2460246.884 (2023-Oct-29.384) 99.99 ± 99.99 3.54
2460246.896 (2023-Oct-29.396) 99.99 ± 99.99 3.24
2460246.906 (2023-Oct-29.406) 20.62 ± 3.08 3.57
2460246.918 (2023-Oct-29.418) 99.99 ± 99.99 3.64
2460246.927 (2023-Oct-29.427) 99.99 ± 99.99 3.62

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

Single lens fit parameters

tmax =JD 2457801.45 ± 0.05 UT (2017-Feb-16.95)
tE =23.92 ± 2.15 days
u0 =0.0877 ± 0.0131
Ibase =19.21 ± 0.26

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice