MOA 2021-BLG-225

Event Parameters

Internal ID:gb4-R-1-180094
Discovery date:2021-07-07T12:16:20
RA:17:51:12.56
Dec:-30:09:49.34
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
73937 17:51:12.30 -30:09:50.14 17.58 ± 0.05 4.45
73993 17:51:12.37 -30:09:45.68 15.56 ± 0.02 4.61

Last 5 photometry measurements

Observation dateI magseeing
2460572.944 (2024-Sep-19.444) 21.98 ± 7.14 4.86
2460572.954 (2024-Sep-19.454) 99.99 ± 99.99 4.74
2460572.966 (2024-Sep-19.466) 17.23 ± 1.55 6.02
2460574.031 (2024-Sep-20.531) 18.74 ± 0.85 5.67
2460575.919 (2024-Sep-22.419) 18.81 ± 1.09 5.51

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

Single lens fit parameters

tmax =JD 2459408.94 ± 0.01 UT (2021-Jul-13.44)
tE =0.67 ± 1.14 days
u0 =15.6436 ± 9.9920
Ibase =4.60 ± 0.32

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice