MOA 2017-BLG-191

Event Parameters

Internal ID:gb9-R-5-99861
Discovery date:2017-04-20T18:23:35
RA:17:59:10.07
Dec:-30:05:44.27
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
49105 17:59:09.88 -30:05:45.54 16.02 ± 0.10 3.82
49200 17:59:10.08 -30:05:40.36 18.05 ± 0.12 3.56
49249 17:59:10.14 -30:05:43.54 17.20 ± 0.08 0.41
49300 17:59:10.32 -30:05:41.22 18.06 ± 0.13 3.85
49315 17:59:10.40 -30:05:45.93 17.46 ± 0.07 4.47

Last 5 photometry measurements

Observation dateI magseeing
2460246.884 (2023-Oct-29.384) 17.25 ± 0.08 3.55
2460246.896 (2023-Oct-29.396) 17.20 ± 0.07 3.19
2460246.906 (2023-Oct-29.406) 17.22 ± 0.08 3.13
2460246.918 (2023-Oct-29.418) 17.07 ± 0.07 3.53
2460246.927 (2023-Oct-29.427) 17.27 ± 0.10 3.49

Calibration: I = 27.40 - 2.5 log10(ΔF + 12000.52)

Single lens fit parameters

tmax =JD 2457867.80 ± 0.01 UT (2017-Apr-24.30)
tE =8.05 ± 0.37 days
u0 =0.2737 ± 0.0198
Ibase =17.88 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice