MOA 2017-BLG-271

Event Parameters

Internal ID:gb12-R-9-7316
Discovery date:2017-05-21T14:25:47
RA:18:06:44.54
Dec:-30:39:06.32
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
159667 18:06:44.74 -30:39:07.74 15.42 ± 0.03 3.31
159687 18:06:44.69 -30:39:10.90 18.75 ± 0.13 4.85
159804 18:06:44.45 -30:39:02.83 19.37 ± 0.12 4.27
159955 18:06:44.15 -30:39:06.59 17.34 ± 0.07 4.66

Last 5 photometry measurements

Observation dateI magseeing
2460244.915 (2023-Oct-27.415) 99.99 ± 99.99 4.25
2460245.869 (2023-Oct-28.369) 19.99 ± 1.19 3.10
2460245.912 (2023-Oct-28.412) 99.99 ± 99.99 3.29
2460246.868 (2023-Oct-29.368) 20.43 ± 2.04 3.57
2460246.916 (2023-Oct-29.416) 99.99 ± 99.99 3.24

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2457908.48 ± 0.02 UT (2017-Jun-3.98)
tE =31.56 ± 0.85 days
u0 =0.0572 ± 0.0022
Ibase =18.54 ± 0.14

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice