MOA 2022-BLG-187

Event Parameters

Internal ID:gb4-R-1-190973
Discovery date:2022-04-24T19:58:27
RA:17:52:26.69
Dec:-30:16:38.72
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
94426 17:52:26.62 -30:16:41.48 19.44 ± 0.38 3.82
94494 17:52:26.80 -30:16:36.17 15.16 ± 0.06 2.27
94572 17:52:27.02 -30:16:40.41 14.60 ± 0.09 4.57

Last 5 photometry measurements

Observation dateI magseeing
2460246.887 (2023-Oct-29.387) 17.65 ± 0.26 3.89
2460246.898 (2023-Oct-29.398) 17.66 ± 0.25 3.68
2460246.909 (2023-Oct-29.409) 17.86 ± 0.39 3.77
2460246.920 (2023-Oct-29.420) 18.15 ± 0.53 4.01
2460246.929 (2023-Oct-29.429) 17.75 ± 0.39 3.97

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2459696.58 ± 0.00 UT (2022-Apr-27.08)
tE =29.58 ± 1.64 days
u0 =0.0000 ± 0.0008
Ibase =19.78 ± 0.28

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice