This corresponds with the date of the construction of Maragheh observatory, suggesting that they are related and the tower has had uses in astronomy.

[2] The architecture of the tower further confirms this, having a dodecagonal base, corresponding to the 12 months of the year.

[3] Some researchers, such as André Godard, have suggested that the building has been a mausoleum, possibly belonging to the Ilkhanate ruler Arghun or to a woman.

[3] It was enlisted among the national heritage sites of Iran with the registration number 146 on 27 December 1931.

The bottom 5.2 metres (17 ft) of the 35-metre-tall (115 ft) tower is a dodecagon, above that there are a series of 36 semicircular columns which lead to a conical dome on top.