MOA 2019-BLG-427

Event Parameters

Internal ID:gb5-R-5-195815
Discovery date:2019-09-20T10:03:17
RA:17:53:44.35
Dec:-29:51:11.43
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
142861 17:53:44.20 -29:51:09.25 16.40 ± 0.08 3.10
142882 17:53:44.26 -29:51:14.31 18.51 ± 0.24 4.06
142958 17:53:44.41 -29:51:10.73 15.88 ± 0.07 0.23
142987 17:53:44.48 -29:51:14.52 15.64 ± 0.04 4.03
143097 17:53:44.69 -29:51:08.47 17.19 ± 0.10 4.73

Last 5 photometry measurements

Observation dateI magseeing
2460246.848 (2023-Oct-29.348) 15.86 ± 0.03 3.72
2460246.883 (2023-Oct-29.383) 15.89 ± 0.02 3.52
2460246.895 (2023-Oct-29.395) 15.88 ± 0.02 3.36
2460246.905 (2023-Oct-29.405) 15.85 ± 0.02 3.31
2460246.917 (2023-Oct-29.417) 15.86 ± 0.02 3.26

Calibration: I = 27.40 - 2.5 log10(ΔF + 40513.52)

Single lens fit parameters

tmax =JD 2458775.27 ± 0.01 UT (2019-Oct-18.77)
tE =25.87 ± 0.13 days
u0 =0.1432 ± 0.0011
Ibase =15.69 ± 0.31

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice