MOA 2017-BLG-194

Event Parameters

Internal ID:gb8-R-8-12551
Discovery date:2017-04-20T21:32:06
RA:18:01:32.34
Dec:-31:03:45.05
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
123511 18:01:32.65 -31:03:46.62 18.84 ± 0.11 4.82
123602 18:01:32.49 -31:03:43.41 16.12 ± 0.06 3.53
123673 18:01:32.35 -31:03:46.03 18.95 ± 0.18 0.92
123714 18:01:32.27 -31:03:42.58 15.37 ± 0.04 3.18
123791 18:01:32.10 -31:03:45.47 18.15 ± 0.11 2.59
123813 18:01:32.07 -31:03:49.43 18.07 ± 0.15 4.87
123833 18:01:31.99 -31:03:44.10 17.40 ± 0.06 4.27

Last 5 photometry measurements

Observation dateI magseeing
2460245.888 (2023-Oct-28.388) 18.80 ± 0.33 3.42
2460245.921 (2023-Oct-28.421) 18.98 ± 0.37 3.49
2460246.858 (2023-Oct-29.358) 19.03 ± 0.38 3.56
2460246.891 (2023-Oct-29.391) 18.40 ± 0.21 3.57
2460246.925 (2023-Oct-29.425) 19.07 ± 0.41 3.42

Calibration: I = 27.40 - 2.5 log10(ΔF + 2392.21)

Single lens fit parameters

tmax =JD 2457861.95 ± 0.07 UT (2017-Apr-18.45)
tE =12.64 ± 1.24 days
u0 =0.2322 ± 0.0307
Ibase =19.65 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice