MOA 2017-BLG-022

Event Parameters

Internal ID:gb9-R-4-69002
Discovery date:2017-02-16T17:47:54
RA:17:59:15.75
Dec:-29:29:10.84
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
157939 17:59:15.74 -29:29:09.75 16.21 ± 0.04 0.83
158028 17:59:15.91 -29:29:08.15 18.50 ± 0.09 2.67
158080 17:59:16.04 -29:29:10.73 18.11 ± 0.09 3.35

Last 5 photometry measurements

Observation dateI magseeing
2460246.884 (2023-Oct-29.384) 16.29 ± 0.02 3.43
2460246.896 (2023-Oct-29.396) 16.19 ± 0.02 3.06
2460246.906 (2023-Oct-29.406) 16.36 ± 0.03 3.46
2460246.918 (2023-Oct-29.418) 16.33 ± 0.04 3.54
2460246.927 (2023-Oct-29.427) 16.30 ± 0.04 3.51

Calibration: I = 27.40 - 2.5 log10(ΔF + 29840.08)

Single lens fit parameters

tmax =JD 2457803.26 ± 0.03 UT (2017-Feb-18.76)
tE =7.75 ± 0.50 days
u0 =0.0631 ± 0.0059
Ibase =18.67 ± 0.22

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice