MOA 2021-BLG-325

Event Parameters

Internal ID:gb7-R-2-20300
Discovery date:2021-08-20T10:29:25
RA:17:58:30.19
Dec:-32:17:36.03
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
89392 17:58:29.88 -32:17:35.97 17.28 ± 0.07 4.71
89426 17:58:30.02 -32:17:36.28 16.79 ± 0.07 3.01
89455 17:58:30.13 -32:17:31.75 17.30 ± 0.08 4.09
89488 17:58:30.22 -32:17:35.60 18.03 ± 0.05 0.23
89532 17:58:30.38 -32:17:31.44 18.18 ± 0.08 4.59

Last 5 photometry measurements

Observation dateI magseeing
2460245.911 (2023-Oct-28.411) 17.94 ± 0.08 3.40
2460245.940 (2023-Oct-28.440) 18.10 ± 0.13 3.50
2460246.867 (2023-Oct-29.367) 17.96 ± 0.06 3.47
2460246.915 (2023-Oct-29.415) 17.97 ± 0.09 3.28
2460246.938 (2023-Oct-29.438) 17.69 ± 0.12 4.01

Calibration: I = 27.40 - 2.5 log10(ΔF + 5602.73)

Single lens fit parameters

tmax =JD 2459462.96 ± 0.00 UT (2021-Sep-5.46)
tE =85.90 ± 1.35 days
u0 =0.0195 ± 0.0003
Ibase =18.04 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice