MOA 2020-BLG-252

Event Parameters

Internal ID:gb4-R-10-89990
Discovery date:2020-09-07T11:29:06
RA:17:54:44.49
Dec:-30:14:07.96
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
51797 17:54:44.78 -30:14:09.82 17.77 ± 0.06 4.68
51901 17:54:44.46 -30:14:08.87 16.05 ± 0.04 0.41

Last 5 photometry measurements

Observation dateI magseeing
2460246.887 (2023-Oct-29.387) 16.06 ± 0.03 3.64
2460246.898 (2023-Oct-29.398) 16.04 ± 0.02 3.47
2460246.909 (2023-Oct-29.409) 16.14 ± 0.03 3.62
2460246.920 (2023-Oct-29.420) 16.00 ± 0.03 3.87
2460246.929 (2023-Oct-29.429) 15.98 ± 0.05 3.89

Calibration: I = 27.40 - 2.5 log10(ΔF + 34737.62)

Single lens fit parameters

tmax =JD 2459117.34 ± 0.05 UT (2020-Sep-24.84)
tE =12.94 ± 2.11 days
u0 =1.6875 ± 0.3268
Ibase =13.93 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice