MOA 2020-BLG-237

Event Parameters

Internal ID:gb9-R-1-155319
Discovery date:2020-08-27T08:49:10
RA:17:59:51.00
Dec:-28:41:13.08
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
67938 17:59:50.71 -28:41:12.30 18.14 ± 0.16 4.50
68016 17:59:50.87 -28:41:14.03 18.45 ± 0.21 2.89
68086 17:59:51.03 -28:41:12.02 16.29 ± 0.09 0.53
68196 17:59:51.21 -28:41:16.15 16.67 ± 0.12 4.50
68224 17:59:51.29 -28:41:09.37 15.61 ± 0.13 4.70

Last 5 photometry measurements

Observation dateI magseeing
2460611.919 (2024-Oct-28.419) 16.91 ± 0.30 5.75
2460611.928 (2024-Oct-28.428) 16.41 ± 0.10 4.93
2460614.863 (2024-Oct-31.363) 16.56 ± 0.17 5.27
2460614.869 (2024-Oct-31.369) 16.53 ± 0.10 5.08
2460614.873 (2024-Oct-31.373) 16.43 ± 0.13 5.52

Calibration: I = 27.40 - 2.5 log10(ΔF + 27720.43)

Single lens fit parameters

tmax =JD 2459108.55 ± 0.04 UT (2020-Sep-16.05)
tE =17.73 ± 0.42 days
u0 =0.6128 ± 0.0281
Ibase =15.95 ± 0.31

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice