MOA 2021-BLG-427

Event Parameters

Internal ID:gb9-R-1-174792
Discovery date:2021-10-11T09:34:46
RA:17:58:15.36
Dec:-28:34:11.07
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
24725 17:58:15.06 -28:34:10.40 14.29 ± 0.08 4.78
24762 17:58:15.17 -28:34:13.19 16.38 ± 0.06 4.30
24878 17:58:15.43 -28:34:09.76 15.83 ± 0.03 0.87
24941 17:58:15.57 -28:34:12.49 15.74 ± 0.03 3.13

Last 5 photometry measurements

Observation dateI magseeing
2460611.919 (2024-Oct-28.419) 16.03 ± 0.22 5.86
2460611.928 (2024-Oct-28.428) 16.05 ± 0.10 5.33
2460614.863 (2024-Oct-31.363) 15.66 ± 0.08 5.44
2460614.869 (2024-Oct-31.369) 15.93 ± 0.07 5.16
2460614.873 (2024-Oct-31.373) 15.83 ± 0.16 5.69

Calibration: I = 27.40 - 2.5 log10(ΔF + 42461.96)

Single lens fit parameters

tmax =JD 2459499.37 ± 0.05 UT (2021-Oct-11.87)
tE =0.64 ± 1.91 days
u0 =10.8271 ± 8.4150
Ibase =7.54 ± 0.25

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice