MOA 2019-BLG-087

Event Parameters

Internal ID:gb10-R-2-75075
Discovery date:2019-03-17T23:18:06
RA:17:58:19.19
Dec:-27:14:03.26
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
18623 17:58:18.97 -27:14:03.94 17.76 ± 0.06 3.93
18696 17:58:19.16 -27:13:59.20 18.89 ± 0.06 3.77
18721 17:58:19.23 -27:14:02.56 17.36 ± 0.04 0.12
18759 17:58:19.35 -27:14:01.06 18.57 ± 0.06 2.29

Last 5 photometry measurements

Observation dateI magseeing
2460572.891 (2024-Sep-19.391) 17.33 ± 0.02 3.18
2460572.931 (2024-Sep-19.431) 17.27 ± 0.03 4.11
2460572.943 (2024-Sep-19.443) 17.42 ± 0.04 4.22
2460572.953 (2024-Sep-19.453) 17.37 ± 0.02 3.44
2460575.918 (2024-Sep-22.418) 17.43 ± 0.19 5.00

Calibration: I = 27.40 - 2.5 log10(ΔF + 10403.99)

Single lens fit parameters

tmax =JD 2458602.70 ± 0.10 UT (2019-Apr-29.20)
tE =97.96 ± 3.66 days
u0 =0.4549 ± 0.0226
Ibase =17.43 ± 0.14

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice