MOA 2017-BLG-251

Event Parameters

Internal ID:gb1-R-3-18723
Discovery date:2017-05-11T19:06:35
RA:17:44:43.49
Dec:-34:13:47.04
Current assessment:microlensing/cv
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
111505 17:44:43.19 -34:13:45.68 17.71 ± 0.14 4.69
111636 17:44:43.41 -34:13:45.03 16.03 ± 0.03 2.29
111660 17:44:43.49 -34:13:48.31 17.69 ± 0.09 2.06
111680 17:44:43.51 -34:13:41.67 18.56 ± 0.13 4.97
111761 17:44:43.68 -34:13:45.42 18.31 ± 0.09 2.12

Last 5 photometry measurements

Observation dateI magseeing
2460245.923 (2023-Oct-28.423) 18.80 ± 0.50 3.73
2460245.937 (2023-Oct-28.437) 18.93 ± 0.77 3.81
2460246.859 (2023-Oct-29.359) 18.68 ± 0.30 3.82
2460246.892 (2023-Oct-29.392) 19.08 ± 0.49 3.67
2460246.926 (2023-Oct-29.426) 99.99 ± 99.99 3.82

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

Single lens fit parameters

tmax =JD 2457885.24 ± 0.01 UT (2017-May-11.74)
tE =10.62 ± 0.18 days
u0 =0.0020 ± 0.0043
Ibase =24.03 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice