3

I wanted to type this X of constellation in LaTeX.

enter image description here

But it's neither \Chi nor \chi.

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  • 2
    it's probably a script X if you have the pdf you can see what fonts are used. Oct 20, 2020 at 13:02
  • Please provide an MWE (from documentclass... to \end{document}) showing what you have done to produce your example text. Oct 20, 2020 at 16:56

1 Answer 1

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This is a calligraphic X in Computer Modern, the default font used in LaTeX. Such a calligraphic font can usually be used with the \mathcal command. Here's a minimal document which produces this symbol.

\documentclass{article}
\begin{document}
\( \mathcal{X} \)
\end{document}

However, if you use font packages, the calligraphic font may be changed by those packages. In that case, you might have to reload Computer Modern's calligraphic font to get this X. The package mathalpha with option cal=cm can be used for this, as shown in the following example.

\documentclass{article}
\usepackage[cal=cm]{mathalpha}
\begin{document}
\( \mathcal{X} \)
\end{document}

Both of the above examples output the same minimal document:

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