MOA 2023-BLG-199

Event Parameters

Internal ID:gb2-R-9-17111
Discovery date:2023-05-21T14:14:54
RA:17:57:04.44
Dec:-34:15:42.73
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
102314 17:57:04.68 -34:15:45.49 17.09 ± 0.14 4.29
102407 17:57:04.48 -34:15:40.65 18.14 ± 0.14 3.01
102408 17:57:04.48 -34:15:42.75 17.69 ± 0.12 1.23
102409 17:57:04.54 -34:15:44.74 16.94 ± 0.10 2.37
102530 17:57:04.26 -34:15:40.69 18.25 ± 0.15 3.23
102557 17:57:04.25 -34:15:44.78 18.24 ± 0.20 2.38
102610 17:57:04.13 -34:15:46.19 17.93 ± 0.12 4.56

Last 5 photometry measurements

Observation dateI magseeing
2460246.864 (2023-Oct-29.364) 17.77 ± 0.16 3.52
2460246.904 (2023-Oct-29.404) 17.81 ± 0.19 3.21
2460246.932 (2023-Oct-29.432) 18.02 ± 0.39 3.84
2460246.936 (2023-Oct-29.436) 18.23 ± 0.39 3.67
2460246.939 (2023-Oct-29.439) 18.85 ± 0.77 3.69

Calibration: I = 27.40 - 2.5 log10(ΔF + 7655.97)

Single lens fit parameters

tmax =JD 2460084.37 ± 0.01 UT (2023-May-19.87)
tE =0.34 ± 0.88 days
u0 =8.8060 ± 6.6920
Ibase =7.71 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice