MOA 2017-BLG-307

Event Parameters

Internal ID:gb1-R-8-12040
Discovery date:2017-06-14T09:55:59
RA:17:47:48.57
Dec:-34:15:57.97
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
200123 17:47:48.79 -34:15:57.86 17.24 ± 0.11 3.52
200149 17:47:48.72 -34:16:02.57 18.47 ± 0.20 4.83
200195 17:47:48.65 -34:15:54.36 18.41 ± 0.14 4.62
200236 17:47:48.56 -34:15:58.85 17.15 ± 0.19 0.53
200271 17:47:48.48 -34:15:54.26 18.11 ± 0.07 4.47
200293 17:47:48.44 -34:16:00.40 17.54 ± 0.34 2.18
200399 17:47:48.25 -34:15:55.42 17.91 ± 0.13 4.74

Last 5 photometry measurements

Observation dateI magseeing
2460245.923 (2023-Oct-28.423) 17.26 ± 0.06 3.60
2460245.937 (2023-Oct-28.437) 17.24 ± 0.09 3.66
2460246.859 (2023-Oct-29.359) 17.13 ± 0.06 3.82
2460246.892 (2023-Oct-29.392) 17.20 ± 0.07 3.66
2460246.926 (2023-Oct-29.426) 17.18 ± 0.08 3.72

Calibration: I = 27.40 - 2.5 log10(ΔF + 12624.09)

Single lens fit parameters

tmax =JD 2457919.07 ± 0.00 UT (2017-Jun-14.57)
tE =7.64 ± 0.30 days
u0 =0.0459 ± 0.0022
Ibase =19.44 ± 0.25

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice