MOA 2022-BLG-186

Event Parameters

Internal ID:gb16-R-9-15002
Discovery date:2022-04-24T19:58:24
RA:18:14:55.64
Dec:-28:52:58.10
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
4420 18:14:55.92 -28:52:59.58 17.31 ± 0.17 4.59
4465 18:14:55.84 -28:52:55.82 18.91 ± 0.11 4.51
4579 18:14:55.60 -28:52:58.52 15.41 ± 0.03 0.17
4644 18:14:55.43 -28:53:02.75 13.96 ± 0.01 4.91
4706 18:14:55.28 -28:52:58.19 17.57 ± 0.05 4.36

Last 5 photometry measurements

Observation dateI magseeing
2460245.910 (2023-Oct-28.410) 15.36 ± 0.03 3.37
2460245.939 (2023-Oct-28.439) 15.33 ± 0.04 3.76
2460246.866 (2023-Oct-29.366) 15.33 ± 0.03 3.63
2460246.913 (2023-Oct-29.413) 15.34 ± 0.03 3.44
2460246.937 (2023-Oct-29.437) 15.20 ± 0.04 3.95

Calibration: I = 27.40 - 2.5 log10(ΔF + 62230.03)

Single lens fit parameters

tmax =JD 2459700.13 ± 0.02 UT (2022-Apr-30.63)
tE =31.92 ± 0.71 days
u0 =0.4133 ± 0.0129
Ibase =15.77 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice