MOA 2020-BLG-023

Event Parameters

Internal ID:gb5-R-7-147914
Discovery date:2020-02-22T21:50:21
RA:17:55:16.76
Dec:-29:40:36.91
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
127636 17:55:16.97 -29:40:34.76 17.80 ± 0.15 4.46
127755 17:55:16.74 -29:40:37.53 15.99 ± 0.06 0.38

Last 5 photometry measurements

Observation dateI magseeing
2460246.848 (2023-Oct-29.348) 15.75 ± 0.07 3.73
2460246.883 (2023-Oct-29.383) 15.75 ± 0.05 3.48
2460246.895 (2023-Oct-29.395) 15.90 ± 0.04 3.27
2460246.905 (2023-Oct-29.405) 16.03 ± 0.05 3.32
2460246.917 (2023-Oct-29.417) 16.00 ± 0.08 3.32

Calibration: I = 27.40 - 2.5 log10(ΔF + 36509.01)

Single lens fit parameters

tmax =JD 2458898.79 ± 0.47 UT (2020-Feb-19.29)
tE =30.65 ± 2.83 days
u0 =0.5472 ± 0.0711
Ibase =17.33 ± 0.32

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice