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
2460572.886 (2024-Sep-19.386) 18.55 ± 0.98 4.58
2460572.892 (2024-Sep-19.392) 19.60 ± 1.42 4.05
2460572.932 (2024-Sep-19.432) 19.34 ± 0.79 3.89
2460572.944 (2024-Sep-19.444) 19.87 ± 1.27 3.86
2460572.954 (2024-Sep-19.454) 99.99 ± 99.99 3.62

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