Jabir bin Samra · The Book on Salat (Prayer)

The Mu'adh-dhin of Allah's Messenger would wait and he would not call the Iqamah until he saw the Allah's Messenger had come out, he would call the Iqamah when he saw him."

"For Zuhr and Asr, Allah's Messenger would recite: By the heavens, holding the Buruj and (By the heavens and At-Tariq) and similar to them."