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
2460610.905 (2024-Oct-27.405) 16.51 ± 0.06 5.06
2460610.936 (2024-Oct-27.436) 16.54 ± 0.04 4.66
2460611.881 (2024-Oct-28.381) 16.52 ± 0.03 3.96
2460611.917 (2024-Oct-28.417) 16.43 ± 0.04 4.78
2460614.881 (2024-Oct-31.381) 16.49 ± 0.06 4.58

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