Template:Gravitational waves

Gravitational-wave astronomy

Resonant mass
antennas

Active	NAUTILUS (IGEC) AURIGA (IGEC) MiniGRAIL Mario Schenberg
Past	EXPLORER (IGEC) ALLEGRO (IGEC) NIOBE (IGEC) Stanford gravitational wave detector ALTAIR GEOGRAV AGATA Weber bar
Proposed	TOBA
Past proposals	GRAIL (downsized to MiniGRAIL) TIGA SFERA Graviton (downsized to Mario Schenberg)

Ground-based
Interferometers

Active	AIGO (ACIGA) CLIO Fermilab holometer GEO600 Advanced LIGO (LIGO Scientific Collaboration) KAGRA Advanced Virgo (European Gravitational Observatory)
Past	TAMA 300 TAMA 20, later known as LISM TENKO-100 Caltech 40m interferometer
Planned	INDIGO (LIGO-India)
Proposed	Cosmic Explorer Einstein Telescope
Past proposals	LIGO-Australia

Space-based
interferometers

Planned	LISA
Proposed	Big Bang Observer DECIGO TianQin

Pulsar timing arrays

Data analysis

Observations

Events	List of observations First observation (GW150914) GW151226 GW170104 GW170608 GW170814 GW170817 (first neutron star merger) GW190412 GW190521 (first-ever possible light from bh-bh merger) GW190814 (first-ever "mass gap" collision) GW200105 (first black hole - neutron star merger)
Methods	Direct detection Laser interferometers Resonant mass detectors Proposed: Atom interferometers Indirect detection B-modes of CMB Pulsar timing array Binary pulsar

Theory

Effects / properties

Polarization
Spin-flip
Redshift
Travel with speed of light
h strain
Chirp signal (chirp mass)
Carried energy

Types / sources

Stochastic
- Cosmic inflation-quantum fluctuation
- Phase transition
Binary inspiral
Continuous
- Rotating neutron star
Burst
- Supernova or from unknown sources
Hypothesis
- Colliding cosmic string and other unknown sources

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