MOA 2019-BLG-389

Event Parameters

Internal ID:gb5-R-3-119540
Discovery date:2019-08-18T14:25:59
RA:17:53:58.07
Dec:-29:12:35.97
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
161457 17:53:57.77 -29:12:33.94 16.06 ± 0.10 4.85
161529 17:53:57.92 -29:12:37.98 17.03 ± 0.12 3.68
161611 17:53:58.09 -29:12:35.69 16.41 ± 0.09 0.41
161634 17:53:58.13 -29:12:32.39 19.18 ± 0.35 3.09

Last 5 photometry measurements

Observation dateI magseeing
2460567.999 (2024-Sep-14.499) 16.39 ± 0.04 3.67
2460568.011 (2024-Sep-14.511) 16.32 ± 0.05 3.90
2460568.021 (2024-Sep-14.521) 16.29 ± 0.10 3.53
2460568.033 (2024-Sep-14.533) 16.16 ± 0.08 3.72
2460568.043 (2024-Sep-14.543) 16.21 ± 0.15 3.56

Calibration: I = 27.40 - 2.5 log10(ΔF + 24888.57)

Single lens fit parameters

tmax =JD 2458720.36 ± 0.02 UT (2019-Aug-24.86)
tE =20.55 ± 0.67 days
u0 =0.1001 ± 0.0035
Ibase =19.12 ± 0.28

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice