MOA 2020-BLG-290

Event Parameters

Internal ID:gb11-R-9-3826
Discovery date:2020-10-21T18:28:49
RA:18:07:13.12
Dec:-32:28:49.06
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
144908 18:07:13.21 -32:28:50.66 18.94 ± 0.10 2.02
144926 18:07:13.16 -32:28:48.43 18.80 ± 0.07 1.71
144971 18:07:13.08 -32:28:49.72 18.41 ± 0.07 0.07
145032 18:07:12.95 -32:28:52.78 18.85 ± 0.06 3.67
145058 18:07:12.88 -32:28:47.13 18.73 ± 0.07 3.66

Last 5 photometry measurements

Observation dateI magseeing
2460610.890 (2024-Oct-27.390) 18.57 ± 0.34 5.14
2460610.939 (2024-Oct-27.439) 18.68 ± 0.25 4.53
2460611.933 (2024-Oct-28.433) 18.37 ± 0.24 5.00
2460611.940 (2024-Oct-28.440) 18.09 ± 0.15 4.71
2460614.895 (2024-Oct-31.395) 19.36 ± 0.64 4.63

Calibration: I = 27.40 - 2.5 log10(ΔF + 3951.85)

Single lens fit parameters

tmax =JD 2459143.98 ± 0.13 UT (2020-Oct-21.48)
tE =19.68 ± 6.63 days
u0 =0.0443 ± 0.0312
Ibase =20.33 ± 0.10

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice