MOA 2023-BLG-346

Event Parameters

Internal ID:gb3-R-7-43199
Discovery date:2023-07-28T12:18:38
RA:17:54:19.50
Dec:-33:00:45.98
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
81646 17:54:19.71 -33:00:43.81 19.16 ± 0.26 4.37
81689 17:54:19.61 -33:00:48.77 18.48 ± 0.12 3.08
81733 17:54:19.53 -33:00:44.76 18.16 ± 0.06 2.10
81754 17:54:19.45 -33:00:46.73 17.86 ± 0.05 0.17
81797 17:54:19.40 -33:00:43.14 16.94 ± 0.10 3.62
81819 17:54:19.32 -33:00:48.55 18.73 ± 0.10 2.64
81841 17:54:19.27 -33:00:42.39 16.71 ± 0.10 4.92

Last 5 photometry measurements

Observation dateI magseeing
2460246.899 (2023-Oct-29.399) 17.94 ± 0.17 2.95
2460246.910 (2023-Oct-29.410) 17.72 ± 0.19 3.23
2460246.922 (2023-Oct-29.422) 18.01 ± 0.30 3.66
2460246.930 (2023-Oct-29.430) 17.75 ± 0.23 3.58
2460246.933 (2023-Oct-29.433) 17.42 ± 0.21 3.72

Calibration: I = 27.40 - 2.5 log10(ΔF + 6558.43)

Single lens fit parameters

tmax =JD 2460156.04 ± 0.04 UT (2023-Jul-30.54)
tE =11.23 ± 0.35 days
u0 =0.3820 ± 0.0216
Ibase =18.29 ± 0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice