MOA 2019-BLG-117

Event Parameters

Internal ID:gb14-R-9-38230
Discovery date:2019-04-02T19:27:32
RA:18:06:39.34
Dec:-27:16:51.24
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
180278 18:06:39.61 -27:16:53.33 15.89 ± 0.04 4.65
180374 18:06:39.45 -27:16:55.71 17.78 ± 0.15 4.54
180420 18:06:39.32 -27:16:51.13 17.71 ± 0.18 0.83
180479 18:06:39.33 -27:16:56.15 18.04 ± 0.17 4.50
180528 18:06:39.17 -27:16:49.49 16.77 ± 0.09 2.96

Last 5 photometry measurements

Observation dateI magseeing
2460246.855 (2023-Oct-29.355) 17.76 ± 0.17 3.43
2460246.889 (2023-Oct-29.389) 17.62 ± 0.14 3.56
2460246.901 (2023-Oct-29.401) 17.82 ± 0.12 2.90
2460246.911 (2023-Oct-29.411) 17.76 ± 0.20 3.55
2460246.923 (2023-Oct-29.423) 17.59 ± 0.20 3.85

Calibration: I = 27.40 - 2.5 log10(ΔF + 7488.59)

Single lens fit parameters

tmax =JD 2458575.76 ± 0.04 UT (2019-Apr-2.26)
tE =7.89 ± 0.76 days
u0 =0.6584 ± 0.0784
Ibase =17.57 ± 0.25

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice