“100 sec GRBs” as standard candles in cosmology

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Presentation transcript:

“100 sec GRBs” as standard candles in cosmology Antonios Nathanail, RCAAM, Academy of Athens

Our team at the Academy Ioannis Contopoulos Mathew Katsanikas Elpida Koutsantoniou Antonios Nathanail Theocharis Apostolatos (U of Athens)

Nathanail & Contopoulos 2014

Nathanail & Contopoulos 2014

Sironi & Spitkovky 2014 Nathanail & Contopoulos 2014

Black Hole spin down Reducible “rotational” energy from black hole + Magnetic field

Black Hole spin down Blandford & Znajek (1977) mechanism

Black Hole spin down

Black Hole spin down

Black Hole spin down

GRB Observations

GRB Observations

GRB Observations

GRB Observations

Orthogonal GRB model

Orthogonal GRB model

Are GRBs “standard candles”?

Are GRBs “standard candles”?

Are GRBs “standard candles”?

END!