MOA 2021-BLG-434

Event Parameters

Internal ID:gb13-R-2-53419
Discovery date:2021-10-13T17:43:17
RA:18:03:02.74
Dec:-28:45:18.19
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
77134 18:03:02.48 -28:45:16.65 17.23 ± 0.09 4.35
77188 18:03:02.67 -28:45:17.82 14.73 ± 0.01 1.66
77260 18:03:02.88 -28:45:20.54 17.90 ± 0.13 3.37

Last 5 photometry measurements

Observation dateI magseeing
2460571.045 (2024-Sep-17.545) 18.80 ± 0.61 4.77
2460572.896 (2024-Sep-19.396) 18.87 ± 0.33 3.97
2460572.936 (2024-Sep-19.436) 18.02 ± 0.23 4.79
2460574.035 (2024-Sep-20.535) 17.95 ± 0.21 5.13
2460575.922 (2024-Sep-22.422) 17.09 ± 0.31 6.03

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

Single lens fit parameters

tmax =JD 2459510.04 ± 0.46 UT (2021-Oct-22.54)
tE =54.04 ± 3.31 days
u0 =0.3354 ± 0.0335
Ibase =16.78 ± 0.22

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice