MOA 2023-BLG-275

Event Parameters

Internal ID:gb5-R-6-208518
Discovery date:2023-06-19T21:07:56
RA:17:55:21.84
Dec:-30:03:50.54
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
120077 17:55:21.93 -30:03:49.84 15.77 ± 0.02 2.29
120150 17:55:21.79 -30:03:48.49 16.42 ± 0.08 2.78
120151 17:55:21.78 -30:03:50.54 15.69 ± 0.04 0.68
120166 17:55:21.70 -30:03:51.89 15.72 ± 0.04 1.54
120255 17:55:21.50 -30:03:48.69 15.78 ± 0.07 4.77
120282 17:55:21.47 -30:03:50.92 17.09 ± 0.06 4.36

Last 5 photometry measurements

Observation dateI magseeing
2460246.848 (2023-Oct-29.348) 15.65 ± 0.05 3.86
2460246.883 (2023-Oct-29.383) 15.71 ± 0.05 3.62
2460246.895 (2023-Oct-29.395) 15.80 ± 0.06 3.55
2460246.905 (2023-Oct-29.405) 15.78 ± 0.05 3.45
2460246.917 (2023-Oct-29.417) 15.72 ± 0.06 3.61

Calibration: I = 27.40 - 2.5 log10(ΔF + 48261.41)

Single lens fit parameters

tmax =JD 2460121.82 ± 0.01 UT (2023-Jun-26.32)
tE =1.10 ± 1.14 days
u0 =6.6722 ± 3.6047
Ibase =8.35 ± 0.30

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice