MOA 2023-BLG-307

Event Parameters

Internal ID:gb20-R-2-10952
Discovery date:2023-07-09T19:18:47
RA:18:16:11.23
Dec:-23:21:32.99
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
108597 18:16:10.97 -23:21:32.76 16.76 ± 0.16 4.26
108736 18:16:11.30 -23:21:32.21 15.65 ± 0.04 0.49

Last 5 photometry measurements

Observation dateI magseeing
2460239.942 (2023-Oct-22.442) 15.05 ± 0.01 3.69
2460244.877 (2023-Oct-27.377) 15.08 ± 0.01 4.48
2460245.871 (2023-Oct-28.371) 15.11 ± 0.01 3.51
2460246.850 (2023-Oct-29.350) 15.12 ± 0.01 3.68
2460246.871 (2023-Oct-29.371) 15.12 ± 0.01 3.58

Calibration: I = 27.40 - 2.5 log10(ΔF + 49980.43)

Single lens fit parameters

tmax =JD 2460224.76 ± 0.20 UT (2023-Oct-7.26)
tE =111.73 ± 1.21 days
u0 =0.2209 ± 0.0044
Ibase =15.87 ± 0.13

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice