MOA 2022-BLG-427

Event Parameters

Internal ID:gb5-R-9-172296
Discovery date:2022-07-31T13:01:10
RA:17:54:31.08
Dec:-28:58:24.86
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
154460 17:54:31.37 -28:58:25.18 16.06 ± 0.06 4.54
154531 17:54:31.26 -28:58:21.73 15.90 ± 0.08 4.93
154532 17:54:31.25 -28:58:28.47 17.52 ± 0.19 4.26
154641 17:54:31.03 -28:58:21.21 14.35 ± 0.09 4.38
154642 17:54:31.01 -28:58:26.61 14.36 ± 0.06 1.23
154765 17:54:30.81 -28:58:28.49 16.36 ± 0.04 4.39

Last 5 photometry measurements

Observation dateI magseeing
2460246.848 (2023-Oct-29.348) 14.26 ± 0.02 3.82
2460246.883 (2023-Oct-29.383) 14.24 ± 0.01 3.48
2460246.895 (2023-Oct-29.395) 14.23 ± 0.01 3.34
2460246.905 (2023-Oct-29.405) 14.23 ± 0.01 3.42
2460246.917 (2023-Oct-29.417) 14.22 ± 0.01 3.43

Calibration: I = 27.40 - 2.5 log10(ΔF + 164437.17)

Single lens fit parameters

tmax =JD 2459792.00 ± 0.10 UT (2022-Jul-31.50)
tE =533.71 ± 279.69 days
u0 =0.0038 ± 0.0044
Ibase =23.04 ± 0.31

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice