MOA 2020-BLG-090

Event Parameters

Internal ID:gb9-R-2-188191
Discovery date:2020-06-15T01:10:49
RA:17:57:16.43
Dec:-28:45:17.54
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
49054 17:57:16.58 -28:45:19.23 15.01 ± 0.03 2.76
49062 17:57:16.64 -28:45:12.93 16.69 ± 0.06 4.75

Last 5 photometry measurements

Observation dateI magseeing
2460611.919 (2024-Oct-28.419) 18.17 ± 0.43 5.90
2460611.928 (2024-Oct-28.428) 19.59 ± 0.87 4.97
2460614.863 (2024-Oct-31.363) 18.83 ± 0.57 5.35
2460614.869 (2024-Oct-31.369) 19.75 ± 1.39 5.46
2460614.873 (2024-Oct-31.373) 19.04 ± 0.85 5.68

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

Single lens fit parameters

tmax =JD 2459031.24 ± 0.01 UT (2020-Jun-30.74)
tE =49.76 ± 1.12 days
u0 =0.0717 ± 0.0019
Ibase =17.50 ± 0.23

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice