MOA 2022-BLG-284

Event Parameters

Internal ID:gb13-R-1-102305
Discovery date:2022-06-13T11:35:10
RA:18:04:21.14
Dec:-28:37:32.18
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
20518 18:04:21.17 -28:37:30.93 16.03 ± 0.05 0.71
20530 18:04:21.20 -28:37:27.25 14.83 ± 0.02 4.57
20542 18:04:21.26 -28:37:34.07 15.80 ± 0.06 2.83
20607 18:04:21.45 -28:37:29.89 16.70 ± 0.12 4.11

Last 5 photometry measurements

Observation dateI magseeing
2460245.887 (2023-Oct-28.387) 16.05 ± 0.05 3.83
2460245.920 (2023-Oct-28.420) 16.25 ± 0.07 4.03
2460246.857 (2023-Oct-29.357) 15.92 ± 0.05 3.99
2460246.890 (2023-Oct-29.390) 16.08 ± 0.06 3.93
2460246.924 (2023-Oct-29.424) 16.25 ± 0.07 4.11

Calibration: I = 27.40 - 2.5 log10(ΔF + 35383.44)

Single lens fit parameters

tmax =JD 2459742.61 ± 0.09 UT (2022-Jun-12.11)
tE =12.97 ± 2.05 days
u0 =0.3698 ± 0.1047
Ibase =16.93 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice