MOA 2017-BLG-199

Event Parameters

Internal ID:gb12-R-1-79974
Discovery date:2017-04-23T15:40:36
RA:18:04:29.32
Dec:-30:10:56.87
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
104171 18:04:29.22 -30:11:00.28 18.27 ± 0.08 4.66
104226 18:04:29.31 -30:10:52.26 17.74 ± 0.07 4.35
104238 18:04:29.34 -30:10:54.99 17.87 ± 0.05 1.44
104252 18:04:29.42 -30:11:00.61 19.05 ± 0.10 4.65
104321 18:04:29.64 -30:10:55.50 17.29 ± 0.04 3.77

Last 5 photometry measurements

Observation dateI magseeing
2460570.941 (2024-Sep-17.441) 18.16 ± 0.25 3.62
2460571.015 (2024-Sep-17.515) 18.00 ± 0.43 4.41
2460572.924 (2024-Sep-19.424) 17.68 ± 0.09 4.26
2460572.961 (2024-Sep-19.461) 17.57 ± 0.19 5.43
2460574.034 (2024-Sep-20.534) 17.46 ± 0.23 5.24

Calibration: I = 27.40 - 2.5 log10(ΔF + 6462.49)

Single lens fit parameters

tmax =JD 2457866.01 ± 0.01 UT (2017-Apr-22.51)
tE =18.53 ± 1.33 days
u0 =0.0677 ± 0.0051
Ibase =18.88 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice