MOA 2022-BLG-190

Event Parameters

Internal ID:gb18-R-5-34612
Discovery date:2022-04-25T14:32:00
RA:18:10:43.57
Dec:-26:21:09.68
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
134824 18:10:43.28 -26:21:08.97 18.66 ± 0.12 4.73
134883 18:10:43.44 -26:21:10.66 19.38 ± 0.22 3.00
134884 18:10:43.44 -26:21:06.49 17.36 ± 0.12 3.67
134969 18:10:43.60 -26:21:08.91 18.33 ± 0.11 0.33
134991 18:10:43.65 -26:21:06.28 19.77 ± 0.36 3.01
135100 18:10:43.84 -26:21:06.19 19.43 ± 0.19 4.38

Last 5 photometry measurements

Observation dateI magseeing
2460244.901 (2023-Oct-27.401) 18.13 ± 0.10 3.40
2460245.862 (2023-Oct-28.362) 18.08 ± 0.13 3.62
2460245.898 (2023-Oct-28.398) 18.25 ± 0.14 3.36
2460246.861 (2023-Oct-29.361) 18.05 ± 0.12 3.71
2460246.902 (2023-Oct-29.402) 18.29 ± 0.17 3.31

Calibration: I = 27.40 - 2.5 log10(ΔF + 4257.94)

Single lens fit parameters

tmax =JD 2459692.24 ± 0.03 UT (2022-Apr-22.74)
tE =24.15 ± 1.34 days
u0 =0.2238 ± 0.0201
Ibase =19.05 ± 0.15

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice