MOA 2022-BLG-197

Event Parameters

Internal ID:gb2-R-6-12618
Discovery date:2022-04-27T02:12:31
RA:17:55:52.28
Dec:-35:17:16.51
Current assessment:microlensing/cv
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
102938 17:55:52.45 -35:17:14.11 18.92 ± 0.11 4.20
103006 17:55:52.30 -35:17:21.28 17.91 ± 0.08 4.54
103040 17:55:52.18 -35:17:15.71 18.17 ± 0.09 1.63
103131 17:55:51.96 -35:17:17.98 18.00 ± 0.08 3.57

Last 5 photometry measurements

Observation dateI magseeing
2460246.864 (2023-Oct-29.364) 19.78 ± 0.98 3.60
2460246.904 (2023-Oct-29.404) 99.99 ± 99.99 3.25
2460246.932 (2023-Oct-29.432) 18.36 ± 0.44 3.86
2460246.936 (2023-Oct-29.436) 17.77 ± 0.21 3.67
2460246.939 (2023-Oct-29.439) 17.75 ± 0.24 3.86

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

Single lens fit parameters

tmax =JD 2459698.27 ± 0.01 UT (2022-Apr-28.77)
tE =0.37 ± 0.57 days
u0 =12.1587 ± 7.5154
Ibase =7.50 ± 0.14

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice