Astrophysics with LIGO课件.ppt

Astrophysics with LIGO;What can LIGO do?;Small effect at earth!;What can LIGO+VIRGO do?;Sources;What is out there for it to see?;What can we learn?;1: Short GRBs;Merger motivation? No SN structure in afterglow In both old, young galaxies ;How do merger models work?;Other merger models…;Using only ‘inspiral’ phase [avoid tides, disruption!] Mass Must match! df/dt - mass Distance Location on sky Orbit orientation (Black hole) spin Precession Only if extreme ;Example: GRB 070201;2: Neutron star matter;Method 1: Merger waves ;Method 2: Supernova waves;;New Extended 2D GR Model Set;;Method 3: Spindown;Method 3: Spindown;Method 3: Spindown;And more! ;3: How do stars evolve?;Why a challenge?;Not one answer but many…;Best estimates for detection rates;How much will LIGO help?;How much will LIGO help;What might we learn?: EXAMPLE;Conclusions;4: Star formation in clusters (*);What happens in dense clusters?;What processes can LIGO see? (*);What processes can LIGO see? (*);Star forming gas;Isolated stars and binaries;