MOA 2017-BLG-317

Event Parameters

Internal ID:gb15-R-9-10120
Discovery date:2017-06-16T14:15:02
RA:18:08:37.88
Dec:-25:17:58.51
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
10880 18:08:38.14 -25:17:59.40 17.66 ± 0.07 4.24
10906 18:08:38.09 -25:18:02.50 15.25 ± 0.03 4.99
11007 18:08:37.87 -25:17:58.65 15.48 ± 0.04 0.65
11025 18:08:37.80 -25:17:55.63 16.57 ± 0.09 3.64
11038 18:08:37.76 -25:18:02.13 14.78 ± 0.06 3.36

Last 5 photometry measurements

Observation dateI magseeing
2460244.911 (2023-Oct-27.411) 15.47 ± 0.02 3.67
2460245.866 (2023-Oct-28.366) 15.46 ± 0.02 3.33
2460245.909 (2023-Oct-28.409) 15.46 ± 0.02 3.42
2460246.865 (2023-Oct-29.365) 15.45 ± 0.02 3.51
2460246.912 (2023-Oct-29.412) 15.45 ± 0.02 3.62

Calibration: I = 27.40 - 2.5 log10(ΔF + 58559.86)

Single lens fit parameters

tmax =JD 2457939.66 ± 0.02 UT (2017-Jul-5.16)
tE =17.16 ± 0.45 days
u0 =0.5930 ± 0.0244
Ibase =15.92 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice