MOA 2019-BLG-289

Event Parameters

Internal ID:gb9-R-9-108181
Discovery date:2019-06-25T20:15:00
RA:18:01:04.05
Dec:-28:49:04.26
Current assessment:microlensing/cv
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
49650 18:01:04.31 -28:49:05.56 17.37 ± 0.10 4.25
49739 18:01:04.23 -28:49:01.81 17.87 ± 0.16 4.39
49841 18:01:03.94 -28:49:03.27 16.86 ± 0.10 1.88
49896 18:01:03.76 -28:49:03.54 17.54 ± 0.19 3.64

Last 5 photometry measurements

Observation dateI magseeing
2460246.884 (2023-Oct-29.384) 99.99 ± 99.99 3.64
2460246.896 (2023-Oct-29.396) 21.64 ± 4.89 3.42
2460246.906 (2023-Oct-29.406) 99.99 ± 99.99 3.64
2460246.918 (2023-Oct-29.418) 19.50 ± 0.98 3.72
2460246.927 (2023-Oct-29.427) 99.99 ± 99.99 3.73

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

Single lens fit parameters

tmax =JD 2458693.26 ± 0.00 UT (2019-Jul-28.76)
tE =60.74 ± 0.20 days
u0 =0.0146 ± 0.0001
Ibase =18.10 ± 0.26

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice