MOA 2019-BLG-083

Event Parameters

Internal ID:gb20-R-5-9544
Discovery date:2019-03-17T19:05:24
RA:18:16:59.10
Dec:-24:27:12.83
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
51131 18:16:58.87 -24:27:09.46 20.17 ± 0.18 4.81
51189 18:16:59.03 -24:27:16.25 18.41 ± 0.15 4.54
51264 18:16:59.20 -24:27:08.87 18.70 ± 0.08 3.69
51297 18:16:59.29 -24:27:12.83 18.27 ± 0.06 2.23
51366 18:16:59.38 -24:27:10.36 15.96 ± 0.02 4.00

Last 5 photometry measurements

Observation dateI magseeing
2460239.942 (2023-Oct-22.442) 20.68 ± 1.46 3.71
2460244.877 (2023-Oct-27.377) 99.99 ± 99.99 4.54
2460245.871 (2023-Oct-28.371) 99.99 ± 99.99 3.54
2460246.850 (2023-Oct-29.350) 99.99 ± 99.99 3.69
2460246.871 (2023-Oct-29.371) 20.53 ± 1.12 3.62

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

Single lens fit parameters

tmax =JD 2458562.83 ± 0.04 UT (2019-Mar-20.33)
tE =49.06 ± 4.11 days
u0 =0.0323 ± 0.0036
Ibase =20.24 ± 0.09

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice