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
2460518.059 (2024-Jul-26.559) 16.40 ± 0.14 5.29
2460518.811 (2024-Jul-27.311) 16.41 ± 0.02 2.65
2460518.850 (2024-Jul-27.350) 16.21 ± 0.18 3.59
2460518.884 (2024-Jul-27.384) 16.21 ± 0.09 2.79
2460518.927 (2024-Jul-27.427) 16.38 ± 0.18 2.78

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