MOA 2019-BLG-421

Event Parameters

Internal ID:gb14-R-8-85014
Discovery date:2019-09-17T21:21:43
RA:18:06:10.91
Dec:-27:29:07.69
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
88222 18:06:11.13 -27:29:05.66 19.44 ± 0.42 4.52
88430 18:06:10.72 -27:29:11.13 16.57 ± 0.14 3.55
88499 18:06:10.59 -27:29:08.96 18.11 ± 0.15 3.80

Last 5 photometry measurements

Observation dateI magseeing
2460246.855 (2023-Oct-29.355) 19.69 ± 0.55 3.46
2460246.889 (2023-Oct-29.389) 20.49 ± 1.63 3.67
2460246.901 (2023-Oct-29.401) 20.92 ± 1.55 3.00
2460246.911 (2023-Oct-29.411) 99.99 ± 99.99 3.67
2460246.923 (2023-Oct-29.423) 19.40 ± 1.06 3.83

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2458743.05 ± 0.04 UT (2019-Sep-16.55)
tE =12.50 ± 0.50 days
u0 =0.0001 ± 0.0154
Ibase =19.73 ± 0.27

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice