MOA 2023-BLG-243

Event Parameters

Internal ID:gb20-R-9-8318
Discovery date:2023-06-07T21:30:01
RA:18:20:49.43
Dec:-23:30:46.23
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
97155 18:20:49.60 -23:30:45.41 18.58 ± 0.06 3.41
97221 18:20:49.49 -23:30:46.59 18.09 ± 0.04 1.56
97271 18:20:49.42 -23:30:49.95 16.95 ± 0.03 3.29
97427 18:20:49.17 -23:30:46.55 17.47 ± 0.06 3.05

Last 5 photometry measurements

Observation dateI magseeing
2460239.942 (2023-Oct-22.442) 24.53 ± 98.78 3.53
2460244.877 (2023-Oct-27.377) 99.99 ± 99.99 4.45
2460245.871 (2023-Oct-28.371) 99.99 ± 99.99 3.38
2460246.850 (2023-Oct-29.350) 18.53 ± 0.39 3.57
2460246.871 (2023-Oct-29.371) 19.94 ± 1.10 3.50

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2460101.41 ± 0.17 UT (2023-Jun-5.91)
tE =83.40 ± 15.91 days
u0 =0.0631 ± 0.0189
Ibase =20.93 ± 0.15

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice