MOA 2017-BLG-117

Event Parameters

Internal ID:gb9-R-5-98248
Discovery date:2017-03-18T18:12:40
RA:17:58:48.65
Dec:-29:58:55.54
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
40846 17:58:48.48 -29:58:52.39 18.79 ± 0.17 3.92
40901 17:58:48.66 -29:58:59.15 17.67 ± 0.11 4.46
40927 17:58:48.68 -29:58:54.19 15.48 ± 0.04 0.83
41035 17:58:48.97 -29:58:51.91 16.73 ± 0.09 4.99

Last 5 photometry measurements

Observation dateI magseeing
2460246.884 (2023-Oct-29.384) 15.41 ± 0.01 3.59
2460246.896 (2023-Oct-29.396) 15.39 ± 0.01 3.30
2460246.906 (2023-Oct-29.406) 15.39 ± 0.02 3.35
2460246.918 (2023-Oct-29.418) 15.43 ± 0.01 3.51
2460246.927 (2023-Oct-29.427) 15.43 ± 0.02 3.63

Calibration: I = 27.40 - 2.5 log10(ΔF + 58830.16)

Single lens fit parameters

tmax =JD 2457824.07 ± 0.21 UT (2017-Mar-11.57)
tE =21.21 ± 4.31 days
u0 =4.7483 ± 1.3188
Ibase =11.96 ± 0.22

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice