MOA 2022-BLG-471

Event Parameters

Internal ID:gb16-R-1-33262
Discovery date:2022-08-28T19:25:53
RA:18:10:07.95
Dec:-28:32:54.83
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
20694 18:10:07.77 -28:32:52.40 15.90 ± 0.06 3.71
20703 18:10:07.81 -28:32:56.52 16.82 ± 0.04 3.46
20745 18:10:07.94 -28:32:49.75 15.23 ± 0.03 4.82
20759 18:10:08.04 -28:32:54.34 17.72 ± 0.07 0.53
20796 18:10:08.15 -28:32:56.85 15.61 ± 0.03 3.44
20846 18:10:08.21 -28:32:53.34 18.01 ± 0.10 3.07

Last 5 photometry measurements

Observation dateI magseeing
2460245.910 (2023-Oct-28.410) 18.13 ± 0.30 3.66
2460245.939 (2023-Oct-28.439) 17.52 ± 0.24 3.79
2460246.866 (2023-Oct-29.366) 18.54 ± 0.31 3.89
2460246.913 (2023-Oct-29.413) 18.22 ± 0.33 3.68
2460246.937 (2023-Oct-29.437) 17.64 ± 0.27 4.14

Calibration: I = 27.40 - 2.5 log10(ΔF + 7474.81)

Single lens fit parameters

tmax =JD 2459844.00 ± 0.12 UT (2022-Sep-21.50)
tE =59.62 ± 3.51 days
u0 =0.2128 ± 0.0169
Ibase =17.98 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice