MOA 2020-BLG-055

Event Parameters

Internal ID:gb5-R-5-198079
Discovery date:2020-03-12T18:56:24
RA:17:52:46.59
Dec:-30:03:59.11
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
40713 17:52:46.32 -30:03:59.27 18.53 ± 0.07 4.24
40809 17:52:46.54 -30:03:54.72 15.99 ± 0.03 4.21
40823 17:52:46.60 -30:04:02.68 18.36 ± 0.10 4.41
40845 17:52:46.63 -30:03:57.38 15.93 ± 0.15 1.23

Last 5 photometry measurements

Observation dateI magseeing
2460246.848 (2023-Oct-29.348) 15.91 ± 0.04 3.88
2460246.883 (2023-Oct-29.383) 15.97 ± 0.02 3.64
2460246.895 (2023-Oct-29.395) 15.96 ± 0.03 3.57
2460246.905 (2023-Oct-29.405) 16.01 ± 0.03 3.34
2460246.917 (2023-Oct-29.417) 15.98 ± 0.03 3.41

Calibration: I = 27.40 - 2.5 log10(ΔF + 38583.36)

Single lens fit parameters

tmax =JD 2458940.43 ± 0.68 UT (2020-Mar-31.93)
tE =3.43 ± 3.49 days
u0 =3.4251 ± 2.0885
Ibase =9.66 ± 0.25

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice