MOA 2019-BLG-390

Event Parameters

Internal ID:gb5-R-9-140217
Discovery date:2019-08-22T12:22:42
RA:17:56:01.34
Dec:-28:46:05.97
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
26585 17:56:01.54 -28:46:05.19 17.39 ± 0.17 3.65
26608 17:56:01.50 -28:46:08.43 17.38 ± 0.06 3.41
26676 17:56:01.39 -28:46:06.27 16.24 ± 0.06 1.24
26706 17:56:01.34 -28:46:04.27 16.11 ± 0.05 2.45
26838 17:56:01.06 -28:46:08.99 17.21 ± 0.08 4.18

Last 5 photometry measurements

Observation dateI magseeing
2460572.962 (2024-Sep-19.462) 16.22 ± 0.06 4.80
2460573.023 (2024-Sep-19.523) 16.28 ± 0.05 4.92
2460575.899 (2024-Sep-22.399) 16.21 ± 0.03 4.28
2460575.902 (2024-Sep-22.402) 16.36 ± 0.08 4.72
2460575.915 (2024-Sep-22.415) 16.08 ± 0.07 4.79

Calibration: I = 27.40 - 2.5 log10(ΔF + 29160.84)

Single lens fit parameters

tmax =JD 2458718.31 ± 0.02 UT (2019-Aug-22.81)
tE =9.08 ± 0.29 days
u0 =0.3265 ± 0.0198
Ibase =18.32 ± 0.26

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice