MOA 2023-BLG-303

Event Parameters

Internal ID:gb11-R-3-9648
Discovery date:2023-07-09T14:01:21
RA:18:03:33.62
Dec:-32:37:47.87
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
113386 18:03:33.39 -32:37:48.81 18.33 ± 0.07 3.89
113463 18:03:33.51 -32:37:49.72 18.39 ± 0.09 3.26
113509 18:03:33.60 -32:37:45.64 17.96 ± 0.11 1.90
113529 18:03:33.64 -32:37:47.73 17.67 ± 0.14 0.51
113577 18:03:33.76 -32:37:43.52 15.58 ± 0.02 4.09
113601 18:03:33.81 -32:37:50.33 18.07 ± 0.10 3.68

Last 5 photometry measurements

Observation dateI magseeing
2460246.873 (2023-Oct-29.373) 17.58 ± 0.12 3.44
2460246.934 (2023-Oct-29.434) 18.05 ± 0.27 3.58
2460246.940 (2023-Oct-29.440) 18.32 ± 0.36 3.77
2460246.941 (2023-Oct-29.441) 18.44 ± 0.45 4.00
2460246.943 (2023-Oct-29.443) 19.10 ± 0.91 4.05

Calibration: I = 27.40 - 2.5 log10(ΔF + 7805.49)

Single lens fit parameters

tmax =JD 2460140.82 ± 0.20 UT (2023-Jul-15.32)
tE =27.82 ± 3.40 days
u0 =0.4547 ± 0.1082
Ibase =14.71 ± 3.80

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice