MOA 2018-BLG-223

Event Parameters

Internal ID:gb4-R-9-72214
Discovery date:2018-07-04T11:57:50
RA:17:54:17.53
Dec:-30:34:09.59
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
52627 17:54:17.81 -30:34:09.16 17.57 ± 0.05 4.47
52732 17:54:17.50 -30:34:10.01 17.98 ± 0.06 0.23
52757 17:54:17.42 -30:34:06.51 18.06 ± 0.06 3.92
52791 17:54:17.36 -30:34:09.00 17.94 ± 0.05 2.10

Last 5 photometry measurements

Observation dateI magseeing
2460463.236 (2024-Jun-1.736) 18.15 ± 0.07 3.43
2460463.250 (2024-Jun-1.750) 18.10 ± 0.06 3.21
2460463.262 (2024-Jun-1.762) 18.23 ± 0.10 3.67
2460463.274 (2024-Jun-1.774) 17.90 ± 0.07 3.79
2460463.286 (2024-Jun-1.786) 17.93 ± 0.13 3.92

Calibration: I = 27.40 - 2.5 log10(ΔF + 5834.45)

Single lens fit parameters

tmax =JD 2458320.96 ± 0.01 UT (2018-Jul-21.46)
tE =42.42 ± 0.21 days
u0 =0.2345 ± 0.0018
Ibase =17.57 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice