MOA 2018-BLG-401

Event Parameters

Internal ID:gb18-R-8-11181
Discovery date:2018-10-08T11:50:31
RA:18:13:59.69
Dec:-25:43:54.48
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
32033 18:13:59.97 -25:43:53.10 17.91 ± 0.07 4.98
32106 18:13:59.85 -25:43:56.42 18.08 ± 0.08 3.25
32179 18:13:59.72 -25:43:52.54 18.74 ± 0.21 2.82
32206 18:13:59.66 -25:43:55.00 17.34 ± 0.11 0.24
32231 18:13:59.63 -25:43:57.64 18.79 ± 0.11 2.67
32277 18:13:59.54 -25:43:53.73 19.57 ± 0.19 1.96
32308 18:13:59.48 -25:43:58.02 18.15 ± 0.06 3.83

Last 5 photometry measurements

Observation dateI magseeing
2460244.901 (2023-Oct-27.401) 17.30 ± 0.05 3.44
2460245.862 (2023-Oct-28.362) 17.27 ± 0.06 3.56
2460245.898 (2023-Oct-28.398) 17.21 ± 0.05 3.22
2460246.861 (2023-Oct-29.361) 17.34 ± 0.07 3.82
2460246.902 (2023-Oct-29.402) 17.25 ± 0.06 3.43

Calibration: I = 27.40 - 2.5 log10(ΔF + 10616.96)

Single lens fit parameters

tmax =JD 2458423.36 ± 0.07 UT (2018-Oct-31.86)
tE =64.93 ± 0.94 days
u0 =0.0476 ± 0.0013
Ibase =18.01 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice