MOA 2021-BLG-139

Event Parameters

Internal ID:gb14-R-8-90864
Discovery date:2021-05-22T19:48:53
RA:18:06:53.36
Dec:-27:25:19.61
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
65857 18:06:53.65 -27:25:21.48 18.49 ± 0.17 4.80
66046 18:06:53.30 -27:25:24.14 19.34 ± 0.34 4.08
66067 18:06:53.26 -27:25:22.17 17.73 ± 0.12 2.20
66091 18:06:53.20 -27:25:20.22 17.48 ± 0.09 1.66
66162 18:06:53.09 -27:25:22.33 17.47 ± 0.12 3.86

Last 5 photometry measurements

Observation dateI magseeing
2460572.894 (2024-Sep-19.394) 99.99 ± 99.99 3.86
2460572.934 (2024-Sep-19.434) 18.62 ± 0.29 4.34
2460572.946 (2024-Sep-19.446) 99.99 ± 99.99 4.02
2460572.957 (2024-Sep-19.457) 18.21 ± 0.31 4.90
2460575.921 (2024-Sep-22.421) 17.36 ± 0.39 4.93

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

Single lens fit parameters

tmax =JD 2459354.26 ± 0.00 UT (2021-May-19.76)
tE =8158.99 ± 5837.07 days
u0 =0.0000 ± 0.0000
Ibase =28.44 ± 0.24

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice