MOA 2019-BLG-309

Event Parameters

Internal ID:gb9-R-6-37484
Discovery date:2019-07-06T14:25:47
RA:18:00:56.53
Dec:-29:48:37.24
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
57834 18:00:56.69 -29:48:36.74 15.12 ± 0.03 3.07
57856 18:00:56.67 -29:48:40.02 17.36 ± 0.14 3.46
57903 18:00:56.54 -29:48:34.48 16.12 ± 0.09 3.57
57929 18:00:56.51 -29:48:37.46 16.27 ± 0.06 0.52
57946 18:00:56.48 -29:48:40.02 17.36 ± 0.13 2.31
58043 18:00:56.24 -29:48:35.80 16.96 ± 0.18 3.88

Last 5 photometry measurements

Observation dateI magseeing
2460246.884 (2023-Oct-29.384) 16.04 ± 0.05 3.55
2460246.896 (2023-Oct-29.396) 16.20 ± 0.06 3.16
2460246.906 (2023-Oct-29.406) 16.25 ± 0.07 3.34
2460246.918 (2023-Oct-29.418) 16.41 ± 0.10 3.44
2460246.927 (2023-Oct-29.427) 16.40 ± 0.11 3.49

Calibration: I = 27.40 - 2.5 log10(ΔF + 28418.42)

Single lens fit parameters

tmax =JD 2458691.82 ± 0.12 UT (2019-Jul-27.32)
tE =19.00 ± 7.86 days
u0 =2.0665 ± 0.7805
Ibase =14.72 ± 0.26

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice