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
2460559.853 (2024-Sep-6.353) 17.08 ± 0.12 4.78
2460564.004 (2024-Sep-10.504) 17.31 ± 0.06 3.84
2460564.058 (2024-Sep-10.558) 17.30 ± 0.11 4.48
2460567.977 (2024-Sep-14.477) 17.02 ± 0.11 5.03
2460568.032 (2024-Sep-14.532) 18.02 ± 0.29 3.68

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