MOA 2019-BLG-439

Event Parameters

Internal ID:gb13-R-9-72681
Discovery date:2019-10-06T15:54:12
RA:18:07:46.05
Dec:-29:00:29.77
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
118719 18:07:46.07 -29:00:29.17 17.79 ± 0.13 1.48
118799 18:07:45.92 -29:00:32.66 19.46 ± 0.26 2.72
118811 18:07:45.86 -29:00:26.76 17.95 ± 0.10 4.27
118829 18:07:45.83 -29:00:34.21 18.55 ± 0.10 4.71
118883 18:07:45.72 -29:00:28.09 17.68 ± 0.09 4.54

Last 5 photometry measurements

Observation dateI magseeing
2460245.887 (2023-Oct-28.387) 17.84 ± 0.17 3.39
2460245.920 (2023-Oct-28.420) 17.83 ± 0.25 3.60
2460246.857 (2023-Oct-29.357) 18.23 ± 0.25 3.69
2460246.890 (2023-Oct-29.390) 18.05 ± 0.25 3.65
2460246.924 (2023-Oct-29.424) 17.89 ± 0.28 3.81

Calibration: I = 27.40 - 2.5 log10(ΔF + 6969.47)

Single lens fit parameters

tmax =JD 2458763.35 ± 0.22 UT (2019-Oct-6.85)
tE =30.24 ± 2.66 days
u0 =0.2126 ± 0.0371
Ibase =19.10 ± 0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice