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
2460246.855 (2023-Oct-29.355) 18.40 ± 0.16 3.55
2460246.889 (2023-Oct-29.389) 18.50 ± 0.23 3.75
2460246.901 (2023-Oct-29.401) 18.56 ± 0.20 3.16
2460246.911 (2023-Oct-29.411) 18.69 ± 0.31 3.64
2460246.923 (2023-Oct-29.423) 18.57 ± 0.26 3.95

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