MOA 2022-BLG-254

Event Parameters

Internal ID:gb5-R-2-147228
Discovery date:2022-05-23T17:49:42
RA:17:53:01.33
Dec:-28:59:15.57
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
26271 17:53:01.18 -28:59:18.59 17.52 ± 0.04 4.52
26304 17:53:01.32 -28:59:14.96 16.51 ± 0.03 0.68
26305 17:53:01.34 -28:59:10.46 16.02 ± 0.10 4.71
26377 17:53:01.54 -28:59:15.76 17.30 ± 0.06 2.44

Last 5 photometry measurements

Observation dateI magseeing
2460246.848 (2023-Oct-29.348) 16.58 ± 0.04 3.62
2460246.883 (2023-Oct-29.383) 16.50 ± 0.02 3.41
2460246.895 (2023-Oct-29.395) 16.54 ± 0.02 3.27
2460246.905 (2023-Oct-29.405) 16.56 ± 0.03 3.26
2460246.917 (2023-Oct-29.417) 16.60 ± 0.03 3.40

Calibration: I = 27.40 - 2.5 log10(ΔF + 22615.18)

Single lens fit parameters

tmax =JD 2459723.19 ± 0.01 UT (2022-May-23.69)
tE =10.20 ± 0.03 days
u0 =0.0156 ± 0.0004
Ibase =21.96 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice