MOA 2023-BLG-161

Event Parameters

Internal ID:gb5-R-7-222105
Discovery date:2023-04-28T16:56:23
RA:17:55:33.63
Dec:-29:41:19.92
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
119755 17:55:33.80 -29:41:20.84 17.65 ± 0.16 2.90
119884 17:55:33.57 -29:41:19.61 15.74 ± 0.07 0.97
119925 17:55:33.49 -29:41:25.08 15.78 ± 0.05 4.92
120005 17:55:33.30 -29:41:23.07 15.31 ± 0.07 4.73

Last 5 photometry measurements

Observation dateI magseeing
2460246.848 (2023-Oct-29.348) 15.57 ± 0.05 3.72
2460246.883 (2023-Oct-29.383) 15.65 ± 0.03 3.47
2460246.895 (2023-Oct-29.395) 15.64 ± 0.03 3.28
2460246.905 (2023-Oct-29.405) 15.79 ± 0.04 3.30
2460246.917 (2023-Oct-29.417) 15.90 ± 0.04 3.35

Calibration: I = 27.40 - 2.5 log10(ΔF + 45962.11)

Single lens fit parameters

tmax =JD 2460064.91 ± 0.02 UT (2023-Apr-30.41)
tE =5.67 ± 0.50 days
u0 =0.2683 ± 0.0393
Ibase =18.47 ± 0.32

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice