Constraints on the maximum mass of quark star and the GW 190814 event Takol Tangphati, Indrani Karar, Anirudh Pradhan and Ayan Banerjee Eur. Phys. J. C, 82 1 (2022) 57 Published online: 21 January 2022 DOI: 10.1140/epjc/s10052-022-10024-6