MOA 2017-BLG-208

Event Parameters

Internal ID:gb4-R-6-48329
Discovery date:2017-04-25T22:50:19
RA:17:55:24.47
Dec:-31:41:48.64
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
120981 17:55:24.46 -31:41:48.29 18.13 ± 0.08 1.08
121014 17:55:24.37 -31:41:52.74 16.11 ± 0.03 3.80
121034 17:55:24.31 -31:41:49.89 16.41 ± 0.05 1.68
121085 17:55:24.18 -31:41:48.02 17.04 ± 0.12 3.49

Last 5 photometry measurements

Observation dateI magseeing
2460246.887 (2023-Oct-29.387) 18.18 ± 0.28 3.48
2460246.898 (2023-Oct-29.398) 18.21 ± 0.29 3.18
2460246.909 (2023-Oct-29.409) 17.64 ± 0.18 3.41
2460246.920 (2023-Oct-29.420) 17.33 ± 0.20 3.81
2460246.929 (2023-Oct-29.429) 17.50 ± 0.26 3.66

Calibration: I = 27.40 - 2.5 log10(ΔF + 5090.96)

Single lens fit parameters

tmax =JD 2457870.15 ± 0.03 UT (2017-Apr-26.65)
tE =10.46 ± 0.81 days
u0 =0.5263 ± 0.0602
Ibase =17.74 ± 0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice