MOA 2017-BLG-250

Event Parameters

Internal ID:gb14-R-9-33994
Discovery date:2017-05-11T17:25:04
RA:18:07:23.56
Dec:-27:03:37.60
Current assessment:microlensing/cv
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
54044 18:07:23.71 -27:03:38.73 19.48 ± 0.39 2.81
54087 18:07:23.65 -27:03:35.67 18.43 ± 0.22 3.20
54117 18:07:23.69 -27:03:40.73 17.84 ± 0.14 3.55
54175 18:07:23.49 -27:03:34.71 17.54 ± 0.10 3.63
54205 18:07:23.45 -27:03:41.37 17.74 ± 0.14 3.42
54267 18:07:23.28 -27:03:35.84 16.80 ± 0.08 4.06
54345 18:07:23.16 -27:03:38.12 14.62 ± 0.04 4.89

Last 5 photometry measurements

Observation dateI magseeing
2460246.855 (2023-Oct-29.355) 18.77 ± 1.04 3.32
2460246.889 (2023-Oct-29.389) 18.52 ± 1.02 3.63
2460246.901 (2023-Oct-29.401) 20.04 ± 2.46 2.95
2460246.911 (2023-Oct-29.411) 18.05 ± 0.68 3.53
2460246.923 (2023-Oct-29.423) 17.34 ± 0.40 3.87

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

Single lens fit parameters

tmax =JD 2457886.68 ± 0.00 UT (2017-May-13.18)
tE =39.76 ± 0.58 days
u0 =0.0009 ± 0.0002
Ibase =19.62 ± 0.23

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice