MOA 2017-BLG-401

Event Parameters

Internal ID:gb10-R-8-62021
Discovery date:2017-07-24T12:29:54
RA:18:02:50.32
Dec:-27:32:30.34
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
105052 18:02:50.58 -27:32:31.13 17.49 ± 0.12 4.25
105149 18:02:50.43 -27:32:27.28 17.17 ± 0.08 4.36
105191 18:02:50.35 -27:32:30.12 15.99 ± 0.07 1.32
105234 18:02:50.28 -27:32:34.87 18.53 ± 0.14 4.08
105376 18:02:50.09 -27:32:28.84 18.67 ± 0.14 3.34
105377 18:02:50.00 -27:32:33.13 18.85 ± 0.20 4.48

Last 5 photometry measurements

Observation dateI magseeing
2460246.852 (2023-Oct-29.352) 16.02 ± 0.02 3.57
2460246.886 (2023-Oct-29.386) 16.05 ± 0.02 3.55
2460246.897 (2023-Oct-29.397) 16.06 ± 0.02 3.17
2460246.908 (2023-Oct-29.408) 16.05 ± 0.02 3.47
2460246.919 (2023-Oct-29.419) 16.08 ± 0.03 3.93

Calibration: I = 27.40 - 2.5 log10(ΔF + 36745.15)

Single lens fit parameters

tmax =JD 2457959.91 ± 0.00 UT (2017-Jul-25.41)
tE =6.40 ± 0.08 days
u0 =0.0317 ± 0.0004
Ibase =18.77 ± 0.23

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice