The appeal, filed by Rousseff's lawyer Jose Eduardo Cardozo and seen by AFP, demands "the immediate suspension of the effects of the Senate decision."
The Senate voted yesterday to convict Rousseff on charges of having illegally manipulated government accounts, stripping her of her office and replacing her with her bitter enemy and former vice president Michel Temer.
Cardozo's appeal asks for "a new trial" during which Temer -- who was sworn in as president up until the end of 2018 -- would be downgraded to interim president again.
Rousseff was convicted by a two-thirds majority of taking illegal state loans to patch budget holes in 2014, masking the country's problems as it slid into economic disarray.
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Senators voting for her removal said she had contributed to Brazil's economic crisis and acted with criminal irresponsibility.
Rousseff, from the leftist Workers' Party, denied having done anything illegal and claimed to be the victim of a right-wing coup d'etat.
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