MOA 2021-BLG-339

Event Parameters

Internal ID:gb14-R-8-93084
Discovery date:2021-08-20T19:15:34
RA:18:08:22.43
Dec:-27:22:43.19
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
20790 18:08:22.45 -27:22:43.10 18.94 ± 0.17 1.20
20868 18:08:22.35 -27:22:44.86 17.07 ± 0.12 1.23
20903 18:08:22.28 -27:22:42.66 18.08 ± 0.14 1.90
20967 18:08:22.13 -27:22:45.18 16.04 ± 0.07 3.86

Last 5 photometry measurements

Observation dateI magseeing
2460572.894 (2024-Sep-19.394) 18.91 ± 0.31 4.02
2460572.934 (2024-Sep-19.434) 18.58 ± 0.25 4.35
2460572.946 (2024-Sep-19.446) 18.83 ± 0.33 4.10
2460572.957 (2024-Sep-19.457) 19.38 ± 0.89 4.97
2460575.921 (2024-Sep-22.421) 19.22 ± 2.00 4.99

Calibration: I = 27.40 - 2.5 log10(ΔF + 2414.35)

Single lens fit parameters

tmax =JD 2459488.98 ± 0.11 UT (2021-Oct-1.48)
tE =53.62 ± 0.92 days
u0 =0.5399 ± 0.0148
Ibase =17.15 ± 0.23

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice