MOA 2020-BLG-277

Event Parameters

Internal ID:gb5-R-4-126490
Discovery date:2020-09-23T20:09:11
RA:17:53:51.06
Dec:-29:28:50.36
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
172585 17:53:50.90 -29:28:47.57 18.25 ± 0.27 3.54
172612 17:53:50.95 -29:28:52.52 15.26 ± 0.23 3.54
172691 17:53:51.10 -29:28:49.92 17.65 ± 0.32 0.18
172734 17:53:51.18 -29:28:52.12 16.87 ± 0.15 2.63
172833 17:53:51.34 -29:28:47.05 15.99 ± 0.12 4.28

Last 5 photometry measurements

Observation dateI magseeing
2460611.907 (2024-Oct-28.407) 17.98 ± 0.47 5.05
2460611.918 (2024-Oct-28.418) 99.99 ± 99.99 5.67
2460614.862 (2024-Oct-31.362) 18.18 ± 1.14 5.31
2460614.868 (2024-Oct-31.368) 99.99 ± 99.99 5.58
2460614.872 (2024-Oct-31.372) 17.93 ± 0.26 4.54

Calibration: I = 27.40 - 2.5 log10(ΔF + 7935.97)

Single lens fit parameters

tmax =JD 2459123.37 ± 0.02 UT (2020-Sep-30.87)
tE =22944.77 ± 18810.31 days
u0 =0.0002 ± 0.0008
Ibase =25.79 ± 0.30

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice