MOA 2019-BLG-091

Event Parameters

Internal ID:gb14-R-4-85348
Discovery date:2019-03-18T11:42:41
RA:18:03:49.16
Dec:-27:47:05.21
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
134291 18:03:48.93 -27:47:03.59 17.62 ± 0.15 3.97
134317 18:03:48.95 -27:47:07.01 18.59 ± 0.09 4.37
134340 18:03:49.02 -27:47:01.01 14.67 ± 0.05 4.54
134399 18:03:49.09 -27:47:07.07 18.07 ± 0.12 3.00
134453 18:03:49.20 -27:47:04.59 18.33 ± 0.19 0.17
134534 18:03:49.30 -27:47:07.76 16.89 ± 0.14 3.47
134558 18:03:49.36 -27:47:04.37 18.89 ± 0.23 2.12
134697 18:03:49.57 -27:47:04.47 17.27 ± 0.17 4.98

Last 5 photometry measurements

Observation dateI magseeing
2460246.855 (2023-Oct-29.355) 19.52 ± 0.75 3.42
2460246.889 (2023-Oct-29.389) 19.18 ± 0.46 3.57
2460246.901 (2023-Oct-29.401) 18.80 ± 0.38 3.20
2460246.911 (2023-Oct-29.411) 18.57 ± 0.46 3.47
2460246.923 (2023-Oct-29.423) 18.52 ± 0.44 3.84

Calibration: I = 27.40 - 2.5 log10(ΔF + 4250.11)

Single lens fit parameters

tmax =JD 2458569.75 ± 0.13 UT (2019-Mar-27.25)
tE =22.47 ± 4.81 days
u0 =1.1080 ± 0.2868
Ibase =17.19 ± 0.29

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice