Aitken became a well known expert on double stars and, in 1932, published the New General Catalogue of Double Stars Within 120° of the North Pole, He is also known for his book The Binary Stars that was first published in 1918.
艾特肯是著名的雙星專家，於1932年出版了《北極120°內的新的雙星總目錄》（New General Catalogue of Double Stars Within 120° of the North Pole），他也因在1918年首先出版的另一本書《聯星》而聞名。