MOA 2023-BLG-471

Event Parameters

Internal ID:gb13-R-10-84842
Discovery date:2023-10-18T11:49:59
RA:18:08:54.61
Dec:-28:41:01.14
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
49457 18:08:54.83 -28:41:01.52 18.37 ± 0.11 3.72
49470 18:08:54.79 -28:40:59.47 18.14 ± 0.07 3.89
49553 18:08:54.59 -28:41:01.29 14.97 ± 0.02 0.54
49568 18:08:54.55 -28:40:58.66 17.61 ± 0.05 3.24
49614 18:08:54.43 -28:41:03.59 17.82 ± 0.07 2.74
49643 18:08:54.33 -28:41:00.88 17.45 ± 0.09 3.35

Last 5 photometry measurements

Observation dateI magseeing
2460245.887 (2023-Oct-28.387) 14.73 ± 0.01 3.56
2460245.920 (2023-Oct-28.420) 14.67 ± 0.02 3.75
2460246.857 (2023-Oct-29.357) 14.69 ± 0.01 3.78
2460246.890 (2023-Oct-29.390) 14.70 ± 0.01 3.74
2460246.924 (2023-Oct-29.424) 14.69 ± 0.02 3.93

Calibration: I = 27.40 - 2.5 log10(ΔF + 94015.62)

Single lens fit parameters

tmax =JD 2460239.29 ± 0.60 UT (2023-Oct-21.79)
tE =40.04 ± 3.35 days
u0 =0.5670 ± 0.0794
Ibase =16.96 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice