MOA 2019-BLG-122

Event Parameters

Internal ID:gb12-R-9-8108
Discovery date:2019-04-07T11:59:19
RA:18:07:06.80
Dec:-30:32:20.72
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
57883 18:07:07.08 -30:32:20.07 18.88 ± 0.09 4.52
58023 18:07:06.74 -30:32:16.92 17.05 ± 0.11 4.57
58065 18:07:06.68 -30:32:22.16 16.72 ± 0.15 1.36
58091 18:07:06.61 -30:32:25.63 19.10 ± 0.08 4.93
58177 18:07:06.44 -30:32:22.00 18.29 ± 0.06 4.39

Last 5 photometry measurements

Observation dateI magseeing
2460244.915 (2023-Oct-27.415) 16.72 ± 0.09 4.30
2460245.869 (2023-Oct-28.369) 16.77 ± 0.06 3.19
2460245.912 (2023-Oct-28.412) 16.91 ± 0.10 3.49
2460246.868 (2023-Oct-29.368) 16.87 ± 0.07 3.63
2460246.916 (2023-Oct-29.416) 16.73 ± 0.08 3.29

Calibration: I = 27.40 - 2.5 log10(ΔF + 18672.39)

Single lens fit parameters

tmax =JD 2458589.82 ± 0.03 UT (2019-Apr-16.32)
tE =145.67 ± 14.09 days
u0 =0.0241 ± 0.0028
Ibase =20.86 ± 0.13

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice