MOA 2020-BLG-021

Event Parameters

Internal ID:gb16-R-3-19346
Discovery date:2020-02-22T21:50:16
RA:18:10:23.91
Dec:-29:24:09.40
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
45802 18:10:23.75 -29:24:09.71 15.25 ± 0.04 2.91
45820 18:10:23.79 -29:24:06.19 17.99 ± 0.13 3.52
45920 18:10:23.98 -29:24:08.40 15.09 ± 0.09 0.50
45965 18:10:24.07 -29:24:05.67 18.13 ± 0.11 3.58
46043 18:10:24.19 -29:24:09.46 14.43 ± 0.07 3.18

Last 5 photometry measurements

Observation dateI magseeing
2460610.883 (2024-Oct-27.383) 14.99 ± 0.04 5.14
2460610.926 (2024-Oct-27.426) 14.96 ± 0.02 4.92
2460611.904 (2024-Oct-28.404) 15.20 ± 0.10 5.08
2460611.936 (2024-Oct-28.436) 14.99 ± 0.02 4.52
2460614.888 (2024-Oct-31.388) 15.25 ± 0.14 5.32

Calibration: I = 27.40 - 2.5 log10(ΔF + 84255.84)

Single lens fit parameters

tmax =JD 2458895.82 ± 2.46 UT (2020-Feb-16.32)
tE =10.07 ± 6.17 days
u0 =9.2594 ± 3.7185
Ibase =8.49 ± 0.25

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice