MOA 2017-BLG-425

Event Parameters

Internal ID:gb4-R-1-153518
Discovery date:2017-08-17T11:02:46
RA:17:53:07.21
Dec:-30:14:44.33
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
109314 17:53:06.90 -30:14:43.56 15.38 ± 0.04 4.73
109392 17:53:07.06 -30:14:46.83 15.38 ± 0.13 4.15
109393 17:53:07.06 -30:14:39.76 17.25 ± 0.16 4.97
109413 17:53:07.14 -30:14:44.81 16.76 ± 0.06 1.82
109469 17:53:07.25 -30:14:48.02 16.52 ± 0.06 4.53
109557 17:53:07.51 -30:14:45.71 15.95 ± 0.04 4.06

Last 5 photometry measurements

Observation dateI magseeing
2460611.899 (2024-Oct-28.399) 99.99 ± 99.99 4.86
2460611.911 (2024-Oct-28.411) 21.87 ± 9.60 5.15
2460611.921 (2024-Oct-28.421) 19.69 ± 1.57 5.46
2460611.930 (2024-Oct-28.430) 99.99 ± 99.99 4.81
2460614.875 (2024-Oct-31.375) 20.80 ± 4.42 5.36

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

Single lens fit parameters

tmax =JD 2457984.91 ± 0.01 UT (2017-Aug-19.41)
tE =12885.68 ± 9802.54 days
u0 =0.0002 ± 0.0006
Ibase =25.46 ± 0.27

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice