MOA 2017-BLG-156

Event Parameters

Internal ID:gb4-R-7-45274
Discovery date:2017-04-07T20:15:26
RA:17:54:24.42
Dec:-31:15:31.65
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
78380 17:54:24.67 -31:15:34.03 18.46 ± 0.17 4.32
78446 17:54:24.51 -31:15:27.83 16.44 ± 0.10 4.92
78490 17:54:24.47 -31:15:30.53 17.51 ± 0.12 2.18
78491 17:54:24.44 -31:15:33.95 16.21 ± 0.08 2.01
78589 17:54:24.22 -31:15:34.15 17.40 ± 0.09 2.80

Last 5 photometry measurements

Observation dateI magseeing
2460568.003 (2024-Sep-14.503) 21.68 ± 7.15 3.72
2460568.014 (2024-Sep-14.514) 18.42 ± 0.43 3.78
2460568.025 (2024-Sep-14.525) 99.99 ± 99.99 3.52
2460568.036 (2024-Sep-14.536) 18.29 ± 0.85 3.66
2460568.046 (2024-Sep-14.546) 19.28 ± 3.00 3.33

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

Single lens fit parameters

tmax =JD 2457861.11 ± 0.02 UT (2017-Apr-17.61)
tE =40.38 ± 0.69 days
u0 =0.1880 ± 0.0051
Ibase =18.87 ± 0.23

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice