MOA 2022-BLG-040

Event Parameters

Internal ID:gb11-R-2-13830
Discovery date:2022-02-24T21:00:14
RA:18:03:42.95
Dec:-32:22:56.83
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
75903 18:03:42.76 -32:22:54.35 17.19 ± 0.08 3.70
75971 18:03:42.97 -32:22:54.93 17.10 ± 0.09 1.43
76036 18:03:43.16 -32:22:59.24 17.21 ± 0.07 3.78
76047 18:03:43.20 -32:22:56.41 17.30 ± 0.05 2.65
76088 18:03:43.28 -32:22:54.61 18.14 ± 0.09 4.07

Last 5 photometry measurements

Observation dateI magseeing
2460246.873 (2023-Oct-29.373) 17.12 ± 0.03 3.63
2460246.934 (2023-Oct-29.434) 17.33 ± 0.05 3.49
2460246.940 (2023-Oct-29.440) 17.44 ± 0.06 3.62
2460246.941 (2023-Oct-29.441) 17.46 ± 0.07 3.87
2460246.943 (2023-Oct-29.443) 17.32 ± 0.08 3.92

Calibration: I = 27.40 - 2.5 log10(ΔF + 13134.09)

Single lens fit parameters

tmax =JD 2459637.16 ± 0.00 UT (2022-Feb-26.66)
tE =61.10 ± 5.57 days
u0 =0.0106 ± 0.0012
Ibase =19.79 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice