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
2460611.899 (2024-Oct-28.399) 20.04 ± 1.77 5.51
2460611.911 (2024-Oct-28.411) 99.99 ± 99.99 5.75
2460611.921 (2024-Oct-28.421) 19.90 ± 2.20 6.06
2460611.930 (2024-Oct-28.430) 19.70 ± 1.42 5.46
2460614.875 (2024-Oct-31.375) 19.59 ± 3.62 5.88

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