MOA 2023-BLG-459

Event Parameters

Internal ID:gb2-R-1-46558
Discovery date:2023-10-08T17:11:58
RA:17:50:58.35
Dec:-33:37:55.09
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
60738 17:50:58.27 -33:37:58.75 16.67 ± 0.02 4.79
60754 17:50:58.49 -33:37:52.98 18.00 ± 0.09 1.97
60763 17:50:58.44 -33:37:54.95 16.67 ± 0.03 0.74
60783 17:50:58.62 -33:37:53.37 17.15 ± 0.05 3.10
60808 17:50:58.76 -33:37:53.84 16.99 ± 0.08 4.80

Last 5 photometry measurements

Observation dateI magseeing
2460246.864 (2023-Oct-29.364) 15.85 ± 0.05 4.98
2460246.904 (2023-Oct-29.404) 15.97 ± 0.07 4.72
2460246.932 (2023-Oct-29.432) 15.85 ± 0.09 5.20
2460246.936 (2023-Oct-29.436) 15.86 ± 0.09 4.85
2460246.939 (2023-Oct-29.439) 15.88 ± 0.10 5.02

Calibration: I = 27.40 - 2.5 log10(ΔF + 19606.50)

Single lens fit parameters

tmax =JD 2460224.08 ± 0.57 UT (2023-Oct-6.58)
tE =77.51 ± 10.12 days
u0 =0.4279 ± 0.1013
Ibase =17.19 ± 0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice