MOA 2019-BLG-155

Event Parameters

Internal ID:gb12-R-6-6134
Discovery date:2019-04-16T19:18:16
RA:18:07:41.50
Dec:-31:39:06.82
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
37920 18:07:41.65 -31:39:04.20 17.85 ± 0.08 4.29
38019 18:07:41.45 -31:39:03.62 18.73 ± 0.12 3.99
38020 18:07:41.46 -31:39:06.59 17.35 ± 0.04 0.86
38108 18:07:41.25 -31:39:03.96 19.04 ± 0.06 4.55
38109 18:07:41.24 -31:39:05.64 18.93 ± 0.06 3.37
38110 18:07:41.27 -31:39:08.97 19.21 ± 0.12 2.88
38111 18:07:41.24 -31:39:11.23 18.15 ± 0.10 4.88

Last 5 photometry measurements

Observation dateI magseeing
2460244.915 (2023-Oct-27.415) 17.97 ± 0.32 4.32
2460245.869 (2023-Oct-28.369) 17.23 ± 0.09 3.29
2460245.912 (2023-Oct-28.412) 17.14 ± 0.11 3.35
2460246.868 (2023-Oct-29.368) 17.27 ± 0.11 3.73
2460246.916 (2023-Oct-29.416) 17.87 ± 0.23 3.40

Calibration: I = 27.40 - 2.5 log10(ΔF + 10452.01)

Single lens fit parameters

tmax =JD 2458609.95 ± 0.09 UT (2019-May-6.45)
tE =35.97 ± 1.71 days
u0 =0.4359 ± 0.0320
Ibase =17.41 ± 0.12

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice