MOA 2020-BLG-040

Event Parameters

Internal ID:gb7-R-4-11691
Discovery date:2020-03-05T23:20:12
RA:17:57:49.11
Dec:-33:01:33.54
Current assessment:microlensing/cv
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
121589 17:57:48.83 -33:01:34.91 19.05 ± 0.12 4.73
121658 17:57:48.99 -33:01:29.48 17.23 ± 0.16 4.22
121707 17:57:49.09 -33:01:34.98 18.11 ± 0.09 2.28
121753 17:57:49.14 -33:01:36.95 18.79 ± 0.10 4.14
121754 17:57:49.17 -33:01:32.95 18.05 ± 0.07 0.13
121805 17:57:49.24 -33:01:30.33 19.79 ± 0.18 2.95
121931 17:57:49.49 -33:01:32.49 16.57 ± 0.06 4.43

Last 5 photometry measurements

Observation dateI magseeing
2460602.962 (2024-Oct-19.462) 18.37 ± 0.26 4.37
2460610.884 (2024-Oct-27.384) 18.42 ± 0.28 5.17
2460610.927 (2024-Oct-27.427) 18.20 ± 0.17 4.73
2460611.905 (2024-Oct-28.405) 18.66 ± 0.25 4.37
2460611.937 (2024-Oct-28.437) 18.13 ± 0.16 4.58

Calibration: I = 27.40 - 2.5 log10(ΔF + 5485.30)

Single lens fit parameters

tmax =JD 2458921.23 ± 0.00 UT (2020-Mar-12.73)
tE =7107.02 ± 3545.34 days
u0 =0.0001 ± 0.0001
Ibase =25.18 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice