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
2460611.899 (2024-Oct-28.399) 16.04 ± 0.04 4.78
2460611.911 (2024-Oct-28.411) 16.01 ± 0.04 5.03
2460611.921 (2024-Oct-28.421) 15.95 ± 0.07 5.34
2460611.930 (2024-Oct-28.430) 15.96 ± 0.03 4.75
2460614.875 (2024-Oct-31.375) 16.01 ± 0.05 5.30

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