MOA 2019-BLG-220

Event Parameters

Internal ID:gb2-R-1-35000
Discovery date:2019-05-22T18:02:01
RA:17:51:34.90
Dec:-33:53:57.30
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
8713 17:51:34.57 -33:53:57.26 17.68 ± 0.07 4.90
8761 17:51:34.80 -33:53:55.38 17.41 ± 0.05 2.34
8781 17:51:34.84 -33:53:52.73 16.86 ± 0.04 4.44
8820 17:51:35.02 -33:53:58.92 16.59 ± 0.05 2.53

Last 5 photometry measurements

Observation dateI magseeing
2460246.864 (2023-Oct-29.364) 99.99 ± 99.99 4.08
2460246.904 (2023-Oct-29.404) 19.16 ± 0.61 3.67
2460246.932 (2023-Oct-29.432) 18.51 ± 0.51 4.22
2460246.936 (2023-Oct-29.436) 19.10 ± 1.05 3.95
2460246.939 (2023-Oct-29.439) 18.63 ± 0.63 4.01

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

Single lens fit parameters

tmax =JD 2458624.38 ± 0.07 UT (2019-May-20.88)
tE =15.71 ± 0.67 days
u0 =0.2955 ± 0.0242
Ibase =18.25 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice