MOA 2022-BLG-520

Event Parameters

Internal ID:gb13-R-10-70607
Discovery date:2022-09-20T10:17:04
RA:18:08:49.01
Dec:-28:29:39.56
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
4379 18:08:49.17 -28:29:41.87 16.11 ± 0.03 3.30
4419 18:08:49.00 -28:29:40.13 14.90 ± 0.02 0.35
4435 18:08:48.92 -28:29:43.27 16.37 ± 0.09 3.44

Last 5 photometry measurements

Observation dateI magseeing
2460245.887 (2023-Oct-28.387) 14.77 ± 0.02 3.79
2460245.920 (2023-Oct-28.420) 14.74 ± 0.03 3.88
2460246.857 (2023-Oct-29.357) 14.78 ± 0.02 4.08
2460246.890 (2023-Oct-29.390) 14.76 ± 0.02 3.99
2460246.924 (2023-Oct-29.424) 14.75 ± 0.03 4.23

Calibration: I = 27.40 - 2.5 log10(ΔF + 99815.96)

Single lens fit parameters

tmax =JD 2459853.65 ± 0.02 UT (2022-Oct-1.15)
tE =8.64 ± 0.10 days
u0 =0.0331 ± 0.0005
Ibase =14.60 ± 0.15

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice