MOA 2017-BLG-503

Event Parameters

Internal ID:gb18-R-7-9358
Discovery date:2017-10-18T13:02:26
RA:18:12:08.56
Dec:-25:58:39.97
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
99490 18:12:08.78 -25:58:43.75 17.48 ± 0.09 4.86
99577 18:12:08.67 -25:58:44.20 17.66 ± 0.09 4.27
99591 18:12:08.60 -25:58:38.93 18.13 ± 0.13 2.03
99592 18:12:08.63 -25:58:42.16 18.47 ± 0.08 2.21
99651 18:12:08.52 -25:58:40.91 17.47 ± 0.06 0.36
99730 18:12:08.38 -25:58:42.95 18.12 ± 0.09 3.17
99835 18:12:08.30 -25:58:41.34 18.26 ± 0.11 3.21

Last 5 photometry measurements

Observation dateI magseeing
2460610.878 (2024-Oct-27.378) 18.70 ± 0.85 5.39
2460610.915 (2024-Oct-27.415) 17.65 ± 0.17 4.87
2460611.890 (2024-Oct-28.390) 17.32 ± 0.07 4.38
2460611.925 (2024-Oct-28.425) 17.13 ± 0.19 5.52
2460614.883 (2024-Oct-31.383) 17.82 ± 0.27 5.21

Calibration: I = 27.40 - 2.5 log10(ΔF + 9349.75)

Single lens fit parameters

tmax =JD 2458044.37 ± 0.01 UT (2017-Oct-17.87)
tE =15.46 ± 1.82 days
u0 =0.0672 ± 0.0105
Ibase =19.37 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice