MOA 2018-BLG-157

Event Parameters

Internal ID:gb4-R-8-68612
Discovery date:2018-05-27T14:11:22
RA:17:54:19.33
Dec:-30:54:52.00
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
87500 17:54:19.48 -30:54:49.92 18.05 ± 0.13 3.75
87569 17:54:19.36 -30:54:53.15 16.51 ± 0.13 1.09
87613 17:54:19.26 -30:54:50.05 18.02 ± 0.13 2.66
87661 17:54:19.20 -30:54:52.43 17.89 ± 0.10 1.16
87662 17:54:19.18 -30:54:56.24 15.67 ± 0.07 4.03

Last 5 photometry measurements

Observation dateI magseeing
2460246.887 (2023-Oct-29.387) 16.87 ± 0.15 3.29
2460246.898 (2023-Oct-29.398) 16.60 ± 0.05 2.87
2460246.909 (2023-Oct-29.409) 16.80 ± 0.11 3.23
2460246.920 (2023-Oct-29.420) 17.05 ± 0.17 3.48
2460246.929 (2023-Oct-29.429) 17.53 ± 0.27 3.56

Calibration: I = 27.40 - 2.5 log10(ΔF + 22677.75)

Single lens fit parameters

tmax =JD 2458265.32 ± 0.04 UT (2018-May-26.82)
tE =18.31 ± 0.35 days
u0 =0.3600 ± 0.0115
Ibase =17.12 ± 0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice