MOA 2022-BLG-492

Event Parameters

Internal ID:gb5-R-3-135584
Discovery date:2022-09-09T19:33:42
RA:17:53:56.96
Dec:-29:13:02.91
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
160925 17:53:56.85 -29:13:01.05 17.91 ± 0.13 2.53
160970 17:53:56.93 -29:12:58.96 16.53 ± 0.12 3.64
161016 17:53:57.02 -29:13:05.85 16.45 ± 0.10 3.64
161044 17:53:57.04 -29:13:01.72 15.66 ± 0.10 0.75
161203 17:53:57.31 -29:13:02.38 17.36 ± 0.10 4.15

Last 5 photometry measurements

Observation dateI magseeing
2460246.848 (2023-Oct-29.348) 15.50 ± 0.03 3.80
2460246.883 (2023-Oct-29.383) 15.48 ± 0.03 3.53
2460246.895 (2023-Oct-29.395) 15.48 ± 0.02 3.39
2460246.905 (2023-Oct-29.405) 15.49 ± 0.02 3.43
2460246.917 (2023-Oct-29.417) 15.45 ± 0.02 3.46

Calibration: I = 27.40 - 2.5 log10(ΔF + 49750.79)

Single lens fit parameters

tmax =JD 2459844.03 ± 0.03 UT (2022-Sep-21.53)
tE =22.64 ± 0.74 days
u0 =0.2987 ± 0.0138
Ibase =17.21 ± 0.27

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice