MOA 2019-BLG-240

Event Parameters

Internal ID:gb9-R-3-123139
Discovery date:2019-06-02T17:13:56
RA:17:59:37.42
Dec:-29:17:47.01
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
80698 17:59:37.12 -29:17:47.28 18.51 ± 0.20 4.76
80715 17:59:37.15 -29:17:44.40 15.97 ± 0.04 4.74
80795 17:59:37.32 -29:17:48.04 16.13 ± 0.10 2.63
80880 17:59:37.47 -29:17:42.81 18.46 ± 0.17 3.72
80907 17:59:37.52 -29:17:44.54 18.32 ± 0.19 2.05
80928 17:59:37.55 -29:17:50.17 16.59 ± 0.08 4.02
81015 17:59:37.74 -29:17:45.71 19.60 ± 0.54 3.83

Last 5 photometry measurements

Observation dateI magseeing
2460572.941 (2024-Sep-19.441) 99.99 ± 99.99 3.87
2460572.952 (2024-Sep-19.452) 99.99 ± 99.99 3.85
2460572.964 (2024-Sep-19.464) 17.83 ± 0.59 4.99
2460573.025 (2024-Sep-19.525) 99.99 ± 99.99 4.69
2460575.916 (2024-Sep-22.416) 18.64 ± 1.63 5.75

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

Single lens fit parameters

tmax =JD 2458640.64 ± 0.04 UT (2019-Jun-6.14)
tE =35.73 ± 1.25 days
u0 =0.1745 ± 0.0089
Ibase =19.16 ± 0.28

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice