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
2460610.884 (2024-Oct-27.384) 17.98 ± 0.13 5.17
2460610.927 (2024-Oct-27.427) 18.33 ± 0.13 4.70
2460611.905 (2024-Oct-28.405) 18.19 ± 0.09 4.42
2460611.937 (2024-Oct-28.437) 18.25 ± 0.11 4.64
2460614.889 (2024-Oct-31.389) 17.92 ± 0.30 5.68

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