MOA 2023-BLG-311

Event Parameters

Internal ID:gb7-R-2-23272
Discovery date:2023-07-10T15:46:07
RA:17:59:27.21
Dec:-32:32:24.93
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
52232 17:59:27.00 -32:32:26.85 18.46 ± 0.16 4.22
52284 17:59:27.13 -32:32:19.96 15.74 ± 0.06 4.80
52311 17:59:27.25 -32:32:24.22 18.32 ± 0.12 0.13
52341 17:59:27.33 -32:32:20.97 18.45 ± 0.12 3.64

Last 5 photometry measurements

Observation dateI magseeing
2460245.911 (2023-Oct-28.411) 18.31 ± 0.10 3.16
2460245.940 (2023-Oct-28.440) 18.42 ± 0.20 3.45
2460246.867 (2023-Oct-29.367) 18.14 ± 0.06 3.31
2460246.915 (2023-Oct-29.415) 18.34 ± 0.13 3.37
2460246.938 (2023-Oct-29.438) 18.15 ± 0.14 3.91

Calibration: I = 27.40 - 2.5 log10(ΔF + 4269.73)

Single lens fit parameters

tmax =JD 2460135.24 ± 0.19 UT (2023-Jul-9.74)
tE =11.24 ± 1.63 days
u0 =0.9538 ± 0.1936
Ibase =15.98 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice