MOA 2017-BLG-474

Event Parameters

Internal ID:gb17-R-9-12520
Discovery date:2017-09-13T12:24:20
RA:18:13:30.26
Dec:-26:59:01.60
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
47090 18:13:30.53 -26:59:04.33 19.66 ± 0.35 4.89
47160 18:13:30.43 -26:59:00.78 16.61 ± 0.12 3.29
47272 18:13:30.23 -26:59:03.71 17.22 ± 0.14 1.60
47301 18:13:30.17 -26:58:58.19 18.50 ± 0.10 4.22
47435 18:13:29.86 -26:59:02.19 17.82 ± 0.12 4.92

Last 5 photometry measurements

Observation dateI magseeing
2460245.899 (2023-Oct-28.399) 19.65 ± 0.55 3.14
2460245.931 (2023-Oct-28.431) 19.55 ± 0.75 3.28
2460246.862 (2023-Oct-29.362) 99.99 ± 99.99 3.59
2460246.903 (2023-Oct-29.403) 99.99 ± 99.99 3.34
2460246.931 (2023-Oct-29.431) 99.99 ± 99.99 3.69

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

Single lens fit parameters

tmax =JD 2458008.24 ± 0.08 UT (2017-Sep-11.74)
tE =31.39 ± 2.88 days
u0 =0.3168 ± 0.0488
Ibase =18.82 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice