MOA 2022-BLG-440

Event Parameters

Internal ID:gb11-R-7-6208
Discovery date:2022-08-11T14:08:27
RA:18:09:03.74
Dec:-33:00:55.33
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
4741 18:09:03.98 -33:00:55.36 14.93 ± 0.02 3.79
4820 18:09:03.84 -33:00:55.54 15.40 ± 0.02 2.02
4899 18:09:03.64 -33:00:59.63 16.82 ± 0.04 3.92
4956 18:09:03.49 -33:00:58.31 18.39 ± 0.10 3.67

Last 5 photometry measurements

Observation dateI magseeing
2460246.873 (2023-Oct-29.373) 18.33 ± 0.40 3.49
2460246.934 (2023-Oct-29.434) 17.79 ± 0.32 3.47
2460246.940 (2023-Oct-29.440) 17.59 ± 0.29 3.39
2460246.941 (2023-Oct-29.441) 16.88 ± 0.19 3.85
2460246.943 (2023-Oct-29.443) 18.34 ± 0.62 3.79

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

Single lens fit parameters

tmax =JD 2459804.53 ± 0.17 UT (2022-Aug-13.03)
tE =1.41 ± 0.13 days
u0 =6.1412 ± 0.4862
Ibase =10.24 ± 0.12

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice