MOA 2022-BLG-445

Event Parameters

Internal ID:gb17-R-8-59288
Discovery date:2022-08-12T13:07:19
RA:18:12:09.53
Dec:-27:30:25.36
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
201691 18:12:09.70 -27:30:29.82 18.75 ± 0.29 4.94
201764 18:12:09.59 -27:30:21.53 14.89 ± 0.05 4.76
201806 18:12:09.52 -27:30:26.39 18.06 ± 0.23 0.62
201822 18:12:09.44 -27:30:30.33 16.65 ± 0.12 4.57
201855 18:12:09.42 -27:30:22.92 18.38 ± 0.12 3.25
201928 18:12:09.25 -27:30:25.74 17.31 ± 0.25 3.32
201929 18:12:09.25 -27:30:29.38 19.16 ± 0.21 4.82

Last 5 photometry measurements

Observation dateI magseeing
2460245.899 (2023-Oct-28.399) 17.91 ± 0.13 2.98
2460245.931 (2023-Oct-28.431) 18.24 ± 0.23 3.29
2460246.862 (2023-Oct-29.362) 17.94 ± 0.14 3.55
2460246.903 (2023-Oct-29.403) 18.15 ± 0.18 3.38
2460246.931 (2023-Oct-29.431) 18.29 ± 0.23 3.81

Calibration: I = 27.40 - 2.5 log10(ΔF + 5465.12)

Single lens fit parameters

tmax =JD 2459806.00 ± 0.06 UT (2022-Aug-14.50)
tE =57.36 ± 14.95 days
u0 =0.0219 ± 0.0090
Ibase =21.45 ± 0.24

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice