PIRSA:09020045

Measuring Black Hole Spin

APA

Narayan, R. (2009). Measuring Black Hole Spin. Perimeter Institute. https://pirsa.org/09020045

MLA

Narayan, Ramesh. Measuring Black Hole Spin. Perimeter Institute, Feb. 19, 2009, https://pirsa.org/09020045

BibTex

          @misc{ pirsa_PIRSA:09020045,
            doi = {10.48660/09020045},
            url = {https://pirsa.org/09020045},
            author = {Narayan, Ramesh},
            keywords = {Cosmology},
            language = {en},
            title = {Measuring Black Hole Spin},
            publisher = {Perimeter Institute},
            year = {2009},
            month = {feb},
            note = {PIRSA:09020045 see, \url{https://pirsa.org}}
          }
          

Ramesh Narayan Harvard University

Abstract

An astrophysical black hole is completely described with just two parameters: its mass and its dimensionless spin. A few dozen black holes have mass estimates, but until recently none had a reliable spin estimate. The first spins have now been measured for black holes in X-ray binaries.