MOA 2020-BLG-259

Event Parameters

Internal ID:gb1-R-8-13535
Discovery date:2020-09-11T13:03:43
RA:17:50:20.14
Dec:-34:20:52.03
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
117468 17:50:20.35 -34:20:55.16 18.05 ± 0.19 4.27
117568 17:50:20.11 -34:20:57.16 18.56 ± 0.16 4.71
117613 17:50:20.02 -34:20:48.45 17.78 ± 0.18 4.44
117632 17:50:20.01 -34:20:52.48 16.51 ± 0.27 1.05
117664 17:50:19.95 -34:20:55.88 18.59 ± 0.16 3.89
117756 17:50:19.77 -34:20:51.65 16.48 ± 0.09 4.39

Last 5 photometry measurements

Observation dateI magseeing
2460245.923 (2023-Oct-28.423) 16.56 ± 0.04 3.51
2460245.937 (2023-Oct-28.437) 16.47 ± 0.05 3.81
2460246.859 (2023-Oct-29.359) 16.52 ± 0.03 3.78
2460246.892 (2023-Oct-29.392) 16.62 ± 0.04 3.66
2460246.926 (2023-Oct-29.426) 16.57 ± 0.05 3.68

Calibration: I = 27.40 - 2.5 log10(ΔF + 22677.75)

Single lens fit parameters

tmax =JD 2459103.65 ± 0.07 UT (2020-Sep-11.15)
tE =18.31 ± 3.44 days
u0 =0.0772 ± 0.0246
Ibase =19.87 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice