MOA 2022-BLG-441

Event Parameters

Internal ID:gb9-R-8-81008
Discovery date:2022-08-11T17:32:03
RA:18:01:16.95
Dec:-29:18:13.09
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
135649 18:01:17.15 -29:18:15.25 18.00 ± 0.12 3.69
135686 18:01:17.08 -29:18:10.69 16.09 ± 0.03 3.91
135735 18:01:16.94 -29:18:15.58 17.22 ± 0.13 2.02
135826 18:01:16.76 -29:18:14.38 18.01 ± 0.10 2.17
135838 18:01:16.72 -29:18:12.40 18.67 ± 0.10 2.90
135856 18:01:16.65 -29:18:16.54 19.24 ± 0.23 4.55

Last 5 photometry measurements

Observation dateI magseeing
2460246.884 (2023-Oct-29.384) 19.44 ± 0.53 3.44
2460246.896 (2023-Oct-29.396) 99.99 ± 99.99 3.17
2460246.906 (2023-Oct-29.406) 99.99 ± 99.99 3.46
2460246.918 (2023-Oct-29.418) 99.99 ± 99.99 3.56
2460246.927 (2023-Oct-29.427) 99.99 ± 99.99 3.51

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

Single lens fit parameters

tmax =JD 2459810.66 ± 0.02 UT (2022-Aug-19.16)
tE =30.54 ± 0.50 days
u0 =0.1593 ± 0.0038
Ibase =18.47 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice