MOA 2020-BLG-022

Event Parameters

Internal ID:gb17-R-4-23067
Discovery date:2020-02-22T21:50:18
RA:18:11:56.31
Dec:-27:53:55.16
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
99012 18:11:56.13 -27:53:52.36 16.89 ± 0.14 3.85
99027 18:11:56.22 -27:53:54.51 18.02 ± 0.14 1.91
99149 18:11:56.38 -27:53:56.21 17.15 ± 0.09 1.72
99150 18:11:56.37 -27:53:54.33 17.11 ± 0.16 0.29
99151 18:11:56.38 -27:53:49.87 14.98 ± 0.07 4.89
99286 18:11:56.63 -27:53:56.94 18.55 ± 0.19 4.45

Last 5 photometry measurements

Observation dateI magseeing
2460610.879 (2024-Oct-27.379) 16.99 ± 0.19 5.32
2460610.916 (2024-Oct-27.416) 17.21 ± 0.17 4.99
2460611.891 (2024-Oct-28.391) 16.97 ± 0.06 4.30
2460611.926 (2024-Oct-28.426) 16.48 ± 0.14 5.47
2460614.884 (2024-Oct-31.384) 17.13 ± 0.20 5.24

Calibration: I = 27.40 - 2.5 log10(ΔF + 13097.85)

Single lens fit parameters

tmax =JD 2458910.16 ± 0.35 UT (2020-Mar-1.66)
tE =85.60 ± 2.59 days
u0 =0.3613 ± 0.0225
Ibase =17.45 ± 0.24

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice