MOA 2017-BLG-473

Event Parameters

Internal ID:gb17-R-2-16967
Discovery date:2017-09-13T12:23:07
RA:18:11:07.98
Dec:-27:05:49.78
Current assessment:microlensing
A transient event found by MOA. Likely caustic crossing binary.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
94239 18:11:07.68 -27:05:49.03 18.14 ± 0.08 4.77
94280 18:11:07.83 -27:05:52.82 15.54 ± 0.02 4.62
94384 18:11:08.16 -27:05:47.27 16.46 ± 0.04 2.73

Last 5 photometry measurements

Observation dateI magseeing
2460245.899 (2023-Oct-28.399) 99.99 ± 99.99 3.26
2460245.931 (2023-Oct-28.431) 99.99 ± 99.99 3.42
2460246.862 (2023-Oct-29.362) 21.25 ± 1.45 3.64
2460246.903 (2023-Oct-29.403) 99.99 ± 99.99 3.50
2460246.931 (2023-Oct-29.431) 99.99 ± 99.99 3.79

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2458010.33 ± 0.02 UT (2017-Sep-13.83)
tE =90.45 ± 11.38 days
u0 =0.0081 ± 0.0013
Ibase =20.85 ± 0.14

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice