MOA 2019-BLG-387

Event Parameters

Internal ID:gb12-R-6-6344
Discovery date:2019-08-18T14:24:44
RA:18:08:11.41
Dec:-31:32:36.09
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
24801 18:08:11.46 -31:32:38.55 19.17 ± 0.12 2.39
24820 18:08:11.41 -31:32:33.45 18.11 ± 0.11 3.44
24972 18:08:11.05 -31:32:38.57 15.09 ± 0.14 4.56
24992 18:08:11.03 -31:32:35.55 17.71 ± 0.12 4.58

Last 5 photometry measurements

Observation dateI magseeing
2460570.941 (2024-Sep-17.441) 21.87 ± 9.39 3.24
2460571.015 (2024-Sep-17.515) 20.01 ± 2.04 4.23
2460572.924 (2024-Sep-19.424) 99.99 ± 99.99 3.71
2460572.961 (2024-Sep-19.461) 18.19 ± 0.34 5.04
2460574.034 (2024-Sep-20.534) 20.36 ± 2.60 4.83

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

Single lens fit parameters

tmax =JD 2458714.38 ± 0.01 UT (2019-Aug-18.88)
tE =357.10 ± 231.48 days
u0 =0.0018 ± 0.0034
Ibase =23.45 ± 0.13

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice