MOA 2017-BLG-220

Event Parameters

Internal ID:gb2-R-5-21811
Discovery date:2017-05-04T21:28:25
RA:17:53:02.40
Dec:-35:17:39.00
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
49418 17:53:02.15 -35:17:41.47 13.19 ± 0.05 4.99
49520 17:53:02.34 -35:17:38.77 16.42 ± 0.11 1.36

Last 5 photometry measurements

Observation dateI magseeing
2460246.864 (2023-Oct-29.364) 16.44 ± 0.03 3.66
2460246.904 (2023-Oct-29.404) 16.43 ± 0.04 3.27
2460246.932 (2023-Oct-29.432) 16.50 ± 0.07 3.97
2460246.936 (2023-Oct-29.436) 16.32 ± 0.04 3.72
2460246.939 (2023-Oct-29.439) 16.31 ± 0.06 3.78

Calibration: I = 27.40 - 2.5 log10(ΔF + 24751.41)

Single lens fit parameters

tmax =JD 2457880.23 ± 0.00 UT (2017-May-6.73)
tE =15.17 ± 0.33 days
u0 =0.0170 ± 0.0004
Ibase =18.93 ± 0.12

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice