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
2460518.057 (2024-Jul-26.557) 18.41 ± 1.11 5.48
2460518.810 (2024-Jul-27.310) 99.99 ± 99.99 2.54
2460518.849 (2024-Jul-27.349) 18.03 ± 1.12 3.29
2460518.883 (2024-Jul-27.383) 19.45 ± 0.81 2.70
2460518.925 (2024-Jul-27.425) 20.62 ± 3.04 2.62

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