MOA 2017-BLG-247

Event Parameters

Internal ID:gb5-R-3-101833
Discovery date:2017-05-09T20:08:15
RA:17:52:36.55
Dec:-29:15:15.78
Current assessment:microlensing
A transient event found by MOA. Possible caustic crossing.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
39805 17:52:36.27 -29:15:14.39 17.62 ± 0.08 4.45
39904 17:52:36.50 -29:15:17.87 15.79 ± 0.04 3.08
39939 17:52:36.60 -29:15:15.27 17.28 ± 0.07 0.09
39958 17:52:36.62 -29:15:19.99 18.67 ± 0.18 4.97
40060 17:52:36.88 -29:15:17.47 16.90 ± 0.04 4.54
40061 17:52:36.88 -29:15:13.48 16.50 ± 0.06 4.19

Last 5 photometry measurements

Observation dateI magseeing
2460246.848 (2023-Oct-29.348) 17.10 ± 0.13 3.69
2460246.883 (2023-Oct-29.383) 17.32 ± 0.11 3.48
2460246.895 (2023-Oct-29.395) 17.30 ± 0.11 3.31
2460246.905 (2023-Oct-29.405) 17.19 ± 0.11 3.30
2460246.917 (2023-Oct-29.417) 17.16 ± 0.14 3.36

Calibration: I = 27.40 - 2.5 log10(ΔF + 11189.22)

Single lens fit parameters

tmax =JD 2457883.24 ± 0.00 UT (2017-May-9.74)
tE =18198.35 ± 14719.89 days
u0 =0.0000 ± 0.0001
Ibase =28.54 ± 0.22

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice