MOA 2019-BLG-157

Event Parameters

Internal ID:gb18-R-7-12829
Discovery date:2019-04-16T19:53:40
RA:18:13:11.91
Dec:-26:06:24.92
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
160540 18:13:12.04 -26:06:28.77 17.51 ± 0.13 4.24
160629 18:13:11.86 -26:06:25.53 17.19 ± 0.12 0.02
160737 18:13:11.81 -26:06:22.78 17.75 ± 0.16 2.95
160795 18:13:11.59 -26:06:24.29 19.09 ± 0.20 4.06

Last 5 photometry measurements

Observation dateI magseeing
2460244.901 (2023-Oct-27.401) 17.16 ± 0.08 3.39
2460245.862 (2023-Oct-28.362) 17.31 ± 0.09 3.49
2460245.898 (2023-Oct-28.398) 17.40 ± 0.09 3.11
2460246.861 (2023-Oct-29.361) 17.42 ± 0.10 3.70
2460246.902 (2023-Oct-29.402) 17.33 ± 0.10 3.21

Calibration: I = 27.40 - 2.5 log10(ΔF + 12178.67)

Single lens fit parameters

tmax =JD 2458596.76 ± 0.04 UT (2019-Apr-23.26)
tE =2.43 ± 6.19 days
u0 =6.4674 ± 5.0289
Ibase =11.15 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice