While OP could have added some source of reference, these data seem indeed flawed.
See information on https://www.universeguide.com/star/chiaurigae
1997 Distance from Earth 0.80 Parallax (milliarcseconds) 4077.04 Light Years 1250 Parsecs 2007 Revised Distance from Earth 0.01 Parallax (milliarcseconds) 326163.34 Light Years 100000 Parsecs
This ("0.01mas") rather should translate to "distance unknown".
While OP could have added some source of reference, these data seem indeed flawed.
See information on https:/ /www.universegu ide.com/ star/chiaurigae
1997 Distance from Earth 0.80 Parallax (milliarcseconds)
4077.04 Light Years
1250 Parsecs
2007 Revised Distance from Earth 0.01 Parallax (milliarcseconds)
326163.34 Light Years
100000 Parsecs
This ("0.01mas") rather should translate to "distance unknown".