MOA 2019-BLG-306

Event Parameters

Internal ID:gb17-R-4-22681
Discovery date:2019-07-06T11:24:20
RA:18:09:31.57
Dec:-27:59:36.65
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
15272 18:09:31.32 -27:59:36.55 18.59 ± 0.11 4.19
15376 18:09:31.57 -27:59:37.54 18.02 ± 0.10 1.70
15403 18:09:31.57 -27:59:33.03 17.87 ± 0.09 3.24
15425 18:09:31.66 -27:59:40.83 17.22 ± 0.10 4.98
15588 18:09:31.94 -27:59:35.08 16.45 ± 0.04 4.64

Last 5 photometry measurements

Observation dateI magseeing
2460570.962 (2024-Sep-17.462) 19.16 ± 0.54 3.65
2460571.002 (2024-Sep-17.502) 99.99 ± 99.99 4.51
2460571.035 (2024-Sep-17.535) 20.96 ± 4.91 4.34
2460572.901 (2024-Sep-19.401) 20.99 ± 2.14 4.18
2460572.948 (2024-Sep-19.448) 20.49 ± 1.46 4.10

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

Single lens fit parameters

tmax =JD 2458672.73 ± 0.03 UT (2019-Jul-8.23)
tE =48.75 ± 3.13 days
u0 =0.0611 ± 0.0051
Ibase =20.53 ± 0.22

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice