MOA 2017-BLG-019

Event Parameters

Internal ID:gb4-R-4-27982
Discovery date:2017-02-14T19:07:29
RA:17:53:00.52
Dec:-31:28:45.34
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
39462 17:53:00.24 -31:28:47.12 17.60 ± 0.08 4.99
39506 17:53:00.37 -31:28:44.77 14.54 ± 0.02 2.65
39507 17:53:00.34 -31:28:41.57 17.33 ± 0.07 4.48
39595 17:53:00.57 -31:28:44.68 16.69 ± 0.08 0.11
39596 17:53:00.59 -31:28:40.39 18.21 ± 0.10 4.56
39727 17:53:00.89 -31:28:44.85 18.18 ± 0.12 4.23

Last 5 photometry measurements

Observation dateI magseeing
2460611.899 (2024-Oct-28.399) 17.43 ± 0.21 4.62
2460611.911 (2024-Oct-28.411) 18.14 ± 0.51 4.62
2460611.921 (2024-Oct-28.421) 18.55 ± 1.04 4.98
2460611.930 (2024-Oct-28.430) 99.99 ± 99.99 4.64
2460614.875 (2024-Oct-31.375) 16.66 ± 0.16 5.07

Calibration: I = 27.40 - 2.5 log10(ΔF + 19284.13)

Single lens fit parameters

tmax =JD 2457788.46 ± 0.23 UT (2017-Feb-3.96)
tE =3.72 ± 0.06 days
u0 =16.0971 ± 0.2827
Ibase =5.23 ± 0.23

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice