MOA 2017-BLG-209

Event Parameters

Internal ID:gb4-R-9-63582
Discovery date:2017-04-25T22:50:35
RA:17:56:11.76
Dec:-30:31:41.36
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
16395 17:56:12.00 -30:31:41.29 17.86 ± 0.07 3.97
16570 17:56:11.42 -30:31:44.29 17.93 ± 0.12 4.66
16586 17:56:11.39 -30:31:39.82 16.46 ± 0.03 4.90

Last 5 photometry measurements

Observation dateI magseeing
2460518.888 (2024-Jul-27.388) 19.91 ± 0.84 2.72
2460518.909 (2024-Jul-27.409) 99.99 ± 99.99 3.12
2460518.921 (2024-Jul-27.421) 99.99 ± 99.99 3.22
2460518.931 (2024-Jul-27.431) 16.88 ± 0.82 2.50
2460519.051 (2024-Jul-27.551) 99.99 ± 99.99 3.38

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

Single lens fit parameters

tmax =JD 2457873.96 ± 0.01 UT (2017-Apr-30.46)
tE =31.78 ± 0.37 days
u0 =0.0755 ± 0.0013
Ibase =19.49 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice