MOA 2017-BLG-173

Event Parameters

Internal ID:gb5-R-6-108524
Discovery date:2017-04-15T17:11:26
RA:17:55:02.10
Dec:-29:50:10.93
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
51442 17:55:02.29 -29:50:11.21 17.61 ± 0.12 3.16
51465 17:55:02.28 -29:50:13.86 16.93 ± 0.14 3.86
51560 17:55:02.08 -29:50:10.86 16.65 ± 0.10 0.72
51672 17:55:01.85 -29:50:08.88 16.54 ± 0.07 4.00
51689 17:55:01.79 -29:50:14.70 15.21 ± 0.05 4.89
51730 17:55:01.72 -29:50:13.09 16.07 ± 0.05 4.82

Last 5 photometry measurements

Observation dateI magseeing
2460246.848 (2023-Oct-29.348) 16.42 ± 0.13 3.77
2460246.883 (2023-Oct-29.383) 16.66 ± 0.09 3.51
2460246.895 (2023-Oct-29.395) 16.50 ± 0.09 3.35
2460246.905 (2023-Oct-29.405) 16.65 ± 0.10 3.28
2460246.917 (2023-Oct-29.417) 16.82 ± 0.10 3.46

Calibration: I = 27.40 - 2.5 log10(ΔF + 19989.41)

Single lens fit parameters

tmax =JD 2457857.38 ± 0.06 UT (2017-Apr-13.88)
tE =10.42 ± 1.37 days
u0 =0.4105 ± 0.0817
Ibase =18.22 ± 0.39

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice