MOA 2022-BLG-442

Event Parameters

Internal ID:gb13-R-4-82052
Discovery date:2022-08-12T10:48:00
RA:18:04:04.94
Dec:-29:27:04.58
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
129951 18:04:04.74 -29:27:04.02 19.06 ± 0.53 3.27
129982 18:04:04.79 -29:27:07.31 17.68 ± 0.19 4.32
129983 18:04:04.74 -29:27:00.72 17.75 ± 0.21 4.77
130032 18:04:04.94 -29:27:04.87 18.68 ± 0.23 1.10
130054 18:04:04.91 -29:27:00.65 19.15 ± 0.30 3.60
130155 18:04:05.05 -29:27:03.51 16.11 ± 0.12 1.07
130156 18:04:05.06 -29:27:00.83 18.50 ± 0.21 3.46
130240 18:04:05.21 -29:27:06.76 19.49 ± 0.51 4.20

Last 5 photometry measurements

Observation dateI magseeing
2460245.887 (2023-Oct-28.387) 16.07 ± 0.02 3.39
2460245.920 (2023-Oct-28.420) 16.10 ± 0.03 3.70
2460246.857 (2023-Oct-29.357) 16.09 ± 0.02 3.61
2460246.890 (2023-Oct-29.390) 16.12 ± 0.03 3.59
2460246.924 (2023-Oct-29.424) 16.09 ± 0.03 3.65

Calibration: I = 27.40 - 2.5 log10(ΔF + 32749.15)

Single lens fit parameters

tmax =JD 2459818.15 ± 0.05 UT (2022-Aug-26.65)
tE =42.61 ± 1.71 days
u0 =0.1076 ± 0.0054
Ibase =19.23 ± 0.28

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice