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
2460246.887 (2023-Oct-29.387) 19.44 ± 0.82 3.44
2460246.898 (2023-Oct-29.398) 99.99 ± 99.99 3.01
2460246.909 (2023-Oct-29.409) 99.99 ± 99.99 3.35
2460246.920 (2023-Oct-29.420) 99.99 ± 99.99 3.57
2460246.929 (2023-Oct-29.429) 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