MOA 2017-BLG-456

Event Parameters

Internal ID:gb19-R-6-8722
Discovery date:2017-09-04T01:03:00
RA:18:18:38.78
Dec:-26:01:54.46
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
68334 18:18:38.97 -26:01:52.84 17.61 ± 0.07 4.09
68403 18:18:38.81 -26:01:55.29 18.74 ± 0.14 1.14
68450 18:18:38.73 -26:01:51.18 17.01 ± 0.13 4.05
68451 18:18:38.76 -26:01:58.42 18.28 ± 0.17 3.57
68595 18:18:38.48 -26:01:54.19 17.04 ± 0.14 3.67

Last 5 photometry measurements

Observation dateI magseeing
2460235.930 (2023-Oct-18.430) 18.75 ± 0.12 2.61
2460239.943 (2023-Oct-22.443) 18.64 ± 0.23 3.49
2460244.878 (2023-Oct-27.378) 18.33 ± 0.28 4.32
2460245.873 (2023-Oct-28.373) 19.07 ± 0.37 3.39
2460246.872 (2023-Oct-29.372) 18.75 ± 0.28 3.49

Calibration: I = 27.40 - 2.5 log10(ΔF + 2916.08)

Single lens fit parameters

tmax =JD 2457997.38 ± 0.02 UT (2017-Aug-31.88)
tE =36.25 ± 4.36 days
u0 =0.0106 ± 0.0021
Ibase =20.17 ± 0.12

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice