MOA 2020-BLG-220

Event Parameters

Internal ID:gb5-R-9-150269
Discovery date:2020-08-15T14:55:16
RA:17:54:43.05
Dec:-29:03:08.43
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
148594 17:54:43.28 -29:03:05.99 19.45 ± 0.40 4.80
148682 17:54:43.07 -29:03:07.52 16.81 ± 0.08 1.73
148683 17:54:43.04 -29:03:10.87 18.30 ± 0.17 1.96
148743 17:54:42.93 -29:03:06.23 16.92 ± 0.07 3.07
148811 17:54:42.82 -29:03:08.18 18.47 ± 0.23 2.69

Last 5 photometry measurements

Observation dateI magseeing
2460611.907 (2024-Oct-28.407) 99.99 ± 99.99 4.70
2460611.918 (2024-Oct-28.418) 99.99 ± 99.99 5.53
2460614.862 (2024-Oct-31.362) 99.99 ± 99.99 5.77
2460614.868 (2024-Oct-31.368) 99.99 ± 99.99 5.36
2460614.872 (2024-Oct-31.372) 99.99 ± 99.99 4.71

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

Single lens fit parameters

tmax =JD 2459077.02 ± 0.01 UT (2020-Aug-15.52)
tE =11.72 ± 1.12 days
u0 =0.1348 ± 0.0184
Ibase =19.91 ± 0.35

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice