MOA 2020-BLG-017

Event Parameters

Internal ID:gb19-R-1-22845
Discovery date:2020-02-19T19:11:13
RA:18:17:04.30
Dec:-24:55:54.57
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
45084 18:17:04.31 -24:55:57.55 18.33 ± 0.07 3.77
45085 18:17:04.33 -24:55:51.84 18.34 ± 0.10 2.26
45102 18:17:04.35 -24:55:53.96 18.24 ± 0.07 0.07
45245 18:17:04.68 -24:55:53.78 18.28 ± 0.09 4.71

Last 5 photometry measurements

Observation dateI magseeing
2460235.930 (2023-Oct-18.430) 18.37 ± 0.11 2.80
2460239.943 (2023-Oct-22.443) 18.72 ± 0.32 3.85
2460244.878 (2023-Oct-27.378) 18.53 ± 0.31 4.49
2460245.873 (2023-Oct-28.373) 18.41 ± 0.17 3.69
2460246.872 (2023-Oct-29.372) 18.31 ± 0.19 3.88

Calibration: I = 27.40 - 2.5 log10(ΔF + 4630.20)

Single lens fit parameters

tmax =JD 2458895.54 ± 0.03 UT (2020-Feb-16.04)
tE =107.77 ± 1.62 days
u0 =0.0090 ± 0.0018
Ibase =18.43 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice