MOA 2019-BLG-209

Event Parameters

Internal ID:gb5-R-9-137835
Discovery date:2019-05-13T12:22:13
RA:17:54:50.62
Dec:-28:49:48.56
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
60596 17:54:50.75 -28:49:50.44 17.32 ± 0.13 2.82
60718 17:54:50.46 -28:49:46.97 16.18 ± 0.07 2.68
60719 17:54:50.47 -28:49:52.91 16.68 ± 0.06 4.14
60766 17:54:50.38 -28:49:49.60 17.13 ± 0.10 2.59

Last 5 photometry measurements

Observation dateI magseeing
2460246.848 (2023-Oct-29.348) 99.99 ± 99.99 4.01
2460246.883 (2023-Oct-29.383) 22.83 ± 18.36 3.61
2460246.895 (2023-Oct-29.395) 99.99 ± 99.99 3.43
2460246.905 (2023-Oct-29.405) 99.99 ± 99.99 3.52
2460246.917 (2023-Oct-29.417) 99.99 ± 99.99 3.53

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

Single lens fit parameters

tmax =JD 2458619.03 ± 0.00 UT (2019-May-15.53)
tE =33.65 ± 0.41 days
u0 =0.0032 ± 0.0002
Ibase =19.40 ± 0.26

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice