MOA 2018-BLG-189

Event Parameters

Internal ID:gb5-R-9-129779
Discovery date:2018-06-21T11:08:13
RA:17:54:14.79
Dec:-29:01:10.35
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
162713 17:54:15.05 -29:01:10.07 15.26 ± 0.07 4.30
162788 17:54:14.90 -29:01:14.87 15.91 ± 0.10 4.61
162887 17:54:14.76 -29:01:10.78 15.77 ± 0.08 0.29
162907 17:54:14.73 -29:01:15.22 18.10 ± 0.33 4.44
163005 17:54:14.52 -29:01:10.35 15.56 ± 0.08 3.04

Last 5 photometry measurements

Observation dateI magseeing
2460246.848 (2023-Oct-29.348) 15.81 ± 0.05 3.69
2460246.883 (2023-Oct-29.383) 15.75 ± 0.03 3.53
2460246.895 (2023-Oct-29.395) 15.78 ± 0.03 3.35
2460246.905 (2023-Oct-29.405) 15.80 ± 0.03 3.41
2460246.917 (2023-Oct-29.417) 15.83 ± 0.04 3.44

Calibration: I = 27.40 - 2.5 log10(ΔF + 44833.23)

Single lens fit parameters

tmax =JD 2458311.44 ± 0.01 UT (2018-Jul-11.94)
tE =15.58 ± 0.11 days
u0 =0.5545 ± 0.0059
Ibase =15.27 ± 0.36

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice