MOA 2019-BLG-397

Event Parameters

Internal ID:gb18-R-3-23640
Discovery date:2019-08-31T20:01:32
RA:18:10:53.91
Dec:-25:44:46.00
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
59015 18:10:53.72 -25:44:48.19 18.60 ± 0.10 4.32
59016 18:10:53.75 -25:44:44.39 16.03 ± 0.04 3.00

Last 5 photometry measurements

Observation dateI magseeing
2460571.001 (2024-Sep-17.501) 21.26 ± 5.24 4.14
2460571.034 (2024-Sep-17.534) 99.99 ± 99.99 4.23
2460572.900 (2024-Sep-19.400) 99.99 ± 99.99 3.86
2460572.947 (2024-Sep-19.447) 19.24 ± 0.47 3.84
2460575.927 (2024-Sep-22.427) 99.99 ± 99.99 3.58

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

Single lens fit parameters

tmax =JD 2458796.19 ± 0.08 UT (2019-Nov-8.69)
tE =62.94 ± 0.53 days
u0 =0.2649 ± 0.0036
Ibase =16.27 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice