MOA 2022-BLG-204

Event Parameters

Internal ID:gb17-R-5-124960
Discovery date:2022-04-28T20:04:04
RA:18:09:23.78
Dec:-28:09:15.63
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
81631 18:09:23.52 -28:09:13.54 17.63 ± 0.06 4.48
81703 18:09:23.65 -28:09:18.27 18.77 ± 0.10 4.20
81790 18:09:23.93 -28:09:18.74 18.49 ± 0.12 4.12
81812 18:09:23.95 -28:09:12.85 18.00 ± 0.10 2.96

Last 5 photometry measurements

Observation dateI magseeing
2460245.899 (2023-Oct-28.399) 99.99 ± 99.99 3.49
2460245.931 (2023-Oct-28.431) 19.05 ± 0.58 3.67
2460246.862 (2023-Oct-29.362) 19.71 ± 0.77 3.87
2460246.903 (2023-Oct-29.403) 19.32 ± 0.59 3.75
2460246.931 (2023-Oct-29.431) 20.67 ± 3.09 4.00

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

Single lens fit parameters

tmax =JD 2459698.26 ± 0.01 UT (2022-Apr-28.76)
tE =14.21 ± 1.64 days
u0 =0.0482 ± 0.0070
Ibase =20.89 ± 0.13

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice