MOA 2019-BLG-057

Event Parameters

Internal ID:gb12-R-4-3471
Discovery date:2019-03-02T14:55:26
RA:18:03:10.71
Dec:-31:28:24.09
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
8015 18:03:10.40 -31:28:24.30 17.57 ± 0.06 4.90
8133 18:03:10.64 -31:28:25.91 19.17 ± 0.12 3.01
8181 18:03:10.73 -31:28:19.33 17.59 ± 0.08 4.38
8207 18:03:10.78 -31:28:23.44 16.69 ± 0.05 0.32
8267 18:03:10.90 -31:28:20.84 17.65 ± 0.05 3.42

Last 5 photometry measurements

Observation dateI magseeing
2460244.915 (2023-Oct-27.415) 16.73 ± 0.06 4.40
2460245.869 (2023-Oct-28.369) 16.66 ± 0.04 3.53
2460245.912 (2023-Oct-28.412) 16.73 ± 0.05 3.46
2460246.868 (2023-Oct-29.368) 16.70 ± 0.04 3.73
2460246.916 (2023-Oct-29.416) 16.74 ± 0.05 3.43

Calibration: I = 27.40 - 2.5 log10(ΔF + 19213.21)

Single lens fit parameters

tmax =JD 2458576.12 ± 0.16 UT (2019-Apr-2.62)
tE =47.09 ± 9.12 days
u0 =1.7211 ± 0.3784
Ibase =14.99 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice