MOA 2017-BLG-417

Event Parameters

Internal ID:gb19-R-8-5612
Discovery date:2017-08-10T14:01:17
RA:18:20:57.44
Dec:-25:22:35.78
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
1845 18:20:57.54 -25:22:35.70 18.16 ± 0.17 2.13
1920 18:20:57.42 -25:22:32.00 16.93 ± 0.10 4.54
1999 18:20:57.28 -25:22:38.99 17.36 ± 0.12 3.26
2031 18:20:57.24 -25:22:33.59 18.52 ± 0.12 3.63
2107 18:20:57.10 -25:22:36.03 17.48 ± 0.04 4.29

Last 5 photometry measurements

Observation dateI magseeing
2460235.930 (2023-Oct-18.430) 99.99 ± 99.99 2.32
2460239.943 (2023-Oct-22.443) 99.99 ± 99.99 3.24
2460244.878 (2023-Oct-27.378) 19.77 ± 0.93 4.20
2460245.873 (2023-Oct-28.373) 99.99 ± 99.99 3.14
2460246.872 (2023-Oct-29.372) 99.99 ± 99.99 3.45

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

Single lens fit parameters

tmax =JD 2457977.41 ± 0.04 UT (2017-Aug-11.91)
tE =28.71 ± 1.45 days
u0 =0.0791 ± 0.0062
Ibase =19.18 ± 0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice