MOA 2018-BLG-397

Event Parameters

Internal ID:gb16-R-9-9148
Discovery date:2018-10-07T14:57:18
RA:18:14:13.01
Dec:-28:54:29.89
Current assessment:microlensing/cv
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
111975 18:14:13.21 -28:54:30.43 17.24 ± 0.04 3.31
111976 18:14:13.20 -28:54:32.03 17.68 ± 0.08 3.55
112043 18:14:13.06 -28:54:29.59 16.64 ± 0.05 1.61
112059 18:14:13.00 -28:54:27.17 17.89 ± 0.14 3.46
112113 18:14:12.95 -28:54:32.77 18.15 ± 0.18 2.39
112163 18:14:12.74 -28:54:28.91 16.27 ± 0.35 3.48

Last 5 photometry measurements

Observation dateI magseeing
2460245.910 (2023-Oct-28.410) 18.35 ± 0.39 3.21
2460245.939 (2023-Oct-28.439) 19.23 ± 1.38 3.64
2460246.866 (2023-Oct-29.366) 18.62 ± 0.57 3.52
2460246.913 (2023-Oct-29.413) 18.82 ± 0.61 3.26
2460246.937 (2023-Oct-29.437) 18.61 ± 0.63 3.79

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2458396.68 ± 0.22 UT (2018-Oct-5.18)
tE =85.54 ± 23.20 days
u0 =0.0354 ± 0.0160
Ibase =21.42 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice