MOA 2021-BLG-447

Event Parameters

Internal ID:gb2-R-10-15285
Discovery date:2021-10-20T20:52:06
RA:17:56:11.78
Dec:-33:55:07.37
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
93673 17:56:11.91 -33:55:06.37 15.08 ± 0.04 2.79
93692 17:56:11.85 -33:55:10.80 16.39 ± 0.09 3.31
93740 17:56:11.78 -33:55:09.39 16.71 ± 0.19 1.63
93794 17:56:11.64 -33:55:04.86 17.39 ± 0.12 3.47
93878 17:56:11.43 -33:55:08.77 18.01 ± 0.09 4.06

Last 5 photometry measurements

Observation dateI magseeing
2460246.864 (2023-Oct-29.364) 21.22 ± 3.72 3.67
2460246.904 (2023-Oct-29.404) 99.99 ± 99.99 3.29
2460246.932 (2023-Oct-29.432) 19.03 ± 0.75 3.86
2460246.936 (2023-Oct-29.436) 19.70 ± 1.32 3.75
2460246.939 (2023-Oct-29.439) 99.99 ± 99.99 3.77

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2459520.73 ± 0.19 UT (2021-Nov-2.23)
tE =28.38 ± 1.23 days
u0 =0.0000 ± 0.0268
Ibase =17.60 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice