MOA 2020-BLG-222

Event Parameters

Internal ID:gb17-R-6-27610
Discovery date:2020-08-15T14:59:26
RA:18:13:44.35
Dec:-28:07:10.59
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
38167 18:13:44.62 -28:07:11.23 19.34 ± 0.30 4.29
38237 18:13:44.50 -28:07:12.20 19.27 ± 0.16 2.88
38263 18:13:44.43 -28:07:14.50 18.55 ± 0.14 3.88
38306 18:13:44.32 -28:07:09.06 17.67 ± 0.14 2.23
38356 18:13:44.26 -28:07:12.02 17.64 ± 0.15 1.12
38423 18:13:44.12 -28:07:14.67 18.24 ± 0.15 4.49

Last 5 photometry measurements

Observation dateI magseeing
2460610.879 (2024-Oct-27.379) 18.32 ± 0.48 5.33
2460610.916 (2024-Oct-27.416) 17.64 ± 0.22 5.19
2460611.891 (2024-Oct-28.391) 17.57 ± 0.08 4.38
2460611.926 (2024-Oct-28.426) 17.35 ± 0.39 5.66
2460614.884 (2024-Oct-31.384) 17.86 ± 0.40 5.07

Calibration: I = 27.40 - 2.5 log10(ΔF + 7987.30)

Single lens fit parameters

tmax =JD 2459087.46 ± 0.05 UT (2020-Aug-25.96)
tE =41.00 ± 1.04 days
u0 =0.0926 ± 0.0034
Ibase =18.58 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice