MOA 2019-BLG-090

Event Parameters

Internal ID:gb14-R-2-76492
Discovery date:2019-03-17T23:19:14
RA:18:05:28.18
Dec:-27:02:45.68
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
149574 18:05:28.14 -27:02:49.15 15.58 ± 0.05 4.37
149602 18:05:28.21 -27:02:40.32 17.42 ± 0.09 4.97
149624 18:05:28.24 -27:02:44.82 15.89 ± 0.04 0.34
149685 18:05:28.35 -27:02:45.67 16.49 ± 0.06 1.88
149751 18:05:28.49 -27:02:41.88 18.34 ± 0.13 4.93
149786 18:05:28.55 -27:02:44.58 19.58 ± 0.32 4.57

Last 5 photometry measurements

Observation dateI magseeing
2460246.855 (2023-Oct-29.355) 15.90 ± 0.01 3.55
2460246.889 (2023-Oct-29.389) 15.89 ± 0.02 3.81
2460246.901 (2023-Oct-29.401) 15.89 ± 0.01 3.16
2460246.911 (2023-Oct-29.411) 15.86 ± 0.02 3.64
2460246.923 (2023-Oct-29.423) 15.86 ± 0.03 4.01

Calibration: I = 27.40 - 2.5 log10(ΔF + 40105.14)

Single lens fit parameters

tmax =JD 2458589.94 ± 0.12 UT (2019-Apr-16.44)
tE =64.75 ± 5.71 days
u0 =0.8772 ± 0.1033
Ibase =16.36 ± 0.22

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice