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
2460517.123 (2024-Jul-25.623) 15.52 ± 0.06 5.19
2460517.857 (2024-Jul-26.357) 15.39 ± 0.12 4.75
2460518.060 (2024-Jul-26.560) 15.56 ± 0.04 4.63
2460518.812 (2024-Jul-27.312) 15.46 ± 0.01 2.78
2460518.858 (2024-Jul-27.358) 14.92 ± 0.21 3.46

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