MOA 2022-BLG-191

Event Parameters

Internal ID:gb2-R-9-14063
Discovery date:2022-04-25T14:32:03
RA:17:55:25.74
Dec:-34:02:10.55
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
54797 17:55:25.91 -34:02:07.27 18.51 ± 0.08 4.85
54841 17:55:25.82 -34:02:10.77 17.42 ± 0.13 1.61
54884 17:55:25.75 -34:02:14.72 15.82 ± 0.10 3.79
54979 17:55:25.60 -34:02:08.90 16.47 ± 0.24 2.65
55082 17:55:25.36 -34:02:12.51 14.21 ± 0.06 4.53

Last 5 photometry measurements

Observation dateI magseeing
2460246.864 (2023-Oct-29.364) 99.99 ± 99.99 3.53
2460246.904 (2023-Oct-29.404) 22.28 ± 7.27 3.14
2460246.932 (2023-Oct-29.432) 19.04 ± 0.63 3.73
2460246.936 (2023-Oct-29.436) 18.58 ± 0.40 3.60
2460246.939 (2023-Oct-29.439) 19.00 ± 0.61 3.58

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

Single lens fit parameters

tmax =JD 2459696.61 ± 0.00 UT (2022-Apr-27.11)
tE =10.37 ± 0.34 days
u0 =0.0051 ± 0.0014
Ibase =18.89 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice