MOA 2021-BLG-422

Event Parameters

Internal ID:gb4-R-2-106696
Discovery date:2021-10-05T14:13:27
RA:17:51:24.64
Dec:-30:37:17.56
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
56900 17:51:24.58 -30:37:13.99 17.18 ± 0.05 3.43
56943 17:51:24.82 -30:37:20.86 17.00 ± 0.02 4.47
56974 17:51:25.01 -30:37:15.03 17.10 ± 0.03 4.77

Last 5 photometry measurements

Observation dateI magseeing
2460572.944 (2024-Sep-19.444) 22.59 ± 4.10 4.25
2460572.954 (2024-Sep-19.454) 21.88 ± 2.10 3.97
2460572.966 (2024-Sep-19.466) 99.99 ± 99.99 5.42
2460574.031 (2024-Sep-20.531) 99.99 ± 99.99 5.10
2460575.919 (2024-Sep-22.419) 99.99 ± 99.99 4.91

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

Single lens fit parameters

tmax =JD 2459492.94 ± 0.00 UT (2021-Oct-5.44)
tE =3.37 ± 0.19 days
u0 =0.0457 ± 0.0030
Ibase =17.80 ± 0.13

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice