MOA 2021-BLG-309

Event Parameters

Internal ID:gb10-R-4-54409
Discovery date:2021-08-03T14:42:18
RA:17:59:37.23
Dec:-28:00:06.18
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
79595 17:59:37.25 -28:00:01.36 19.14 ± 0.38 4.42
79623 17:59:37.32 -28:00:08.40 16.28 ± 0.38 2.98

Last 5 photometry measurements

Observation dateI magseeing
2460611.898 (2024-Oct-28.398) 99.99 ± 99.99 4.34
2460611.910 (2024-Oct-28.410) 99.99 ± 99.99 4.92
2460611.920 (2024-Oct-28.420) 99.99 ± 99.99 4.78
2460614.864 (2024-Oct-31.364) 99.99 ± 99.99 5.30
2460614.874 (2024-Oct-31.374) 99.99 ± 99.99 4.99

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

Single lens fit parameters

tmax =JD 2459439.56 ± 0.02 UT (2021-Aug-13.06)
tE =81.79 ± 1.87 days
u0 =0.0587 ± 0.0017
Ibase =18.92 ± 0.31

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice