MOA 2021-BLG-223

Event Parameters

Internal ID:gb18-R-8-15071
Discovery date:2021-07-06T08:59:37
RA:18:14:43.05
Dec:-25:47:18.06
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
104295 18:14:43.05 -25:47:18.99 15.88 ± 0.05 0.74
104319 18:14:43.01 -25:47:14.14 18.99 ± 0.20 4.67
104320 18:14:43.01 -25:47:15.90 18.18 ± 0.07 2.85
104446 18:14:42.77 -25:47:15.61 18.64 ± 0.12 4.58
104498 18:14:42.67 -25:47:17.83 17.55 ± 0.08 4.79

Last 5 photometry measurements

Observation dateI magseeing
2460244.901 (2023-Oct-27.401) 15.88 ± 0.04 3.53
2460245.862 (2023-Oct-28.362) 15.84 ± 0.03 3.57
2460245.898 (2023-Oct-28.398) 15.84 ± 0.02 3.28
2460246.861 (2023-Oct-29.361) 15.81 ± 0.07 3.61
2460246.902 (2023-Oct-29.402) 15.84 ± 0.04 3.41

Calibration: I = 27.40 - 2.5 log10(ΔF + 40438.96)

Single lens fit parameters

tmax =JD 2459412.62 ± 0.11 UT (2021-Jul-17.12)
tE =26.15 ± 3.96 days
u0 =0.7446 ± 0.1420
Ibase =16.87 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice