MOA 2020-BLG-224

Event Parameters

Internal ID:gb10-R-9-46338
Discovery date:2020-08-15T15:49:09
RA:18:02:50.58
Dec:-27:08:35.79
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
73781 18:02:50.79 -27:08:35.82 18.42 ± 0.05 3.60
73851 18:02:50.54 -27:08:36.26 18.54 ± 0.05 0.13
73905 18:02:50.37 -27:08:32.97 17.40 ± 0.04 4.20
73906 18:02:50.37 -27:08:36.30 18.26 ± 0.07 2.28

Last 5 photometry measurements

Observation dateI magseeing
2460246.852 (2023-Oct-29.352) 18.52 ± 0.33 3.74
2460246.886 (2023-Oct-29.386) 18.46 ± 0.30 3.81
2460246.897 (2023-Oct-29.397) 18.23 ± 0.22 3.37
2460246.908 (2023-Oct-29.408) 18.73 ± 0.37 3.67
2460246.919 (2023-Oct-29.419) 18.37 ± 0.44 4.10

Calibration: I = 27.40 - 2.5 log10(ΔF + 3493.01)

Single lens fit parameters

tmax =JD 2459080.89 ± 0.07 UT (2020-Aug-19.39)
tE =48.86 ± 0.76 days
u0 =0.3068 ± 0.0081
Ibase =18.70 ± 0.15

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice