Editing Template:Gravitational waves

{{navbox
|name = Gravitational waves
|title = [[Gravitational-wave astronomy]]
|bodyclass = hlist
|state = {{{state<includeonly>|collapsed</includeonly>}}}

|above =
* [[Gravitational wave]]
* [[Gravitational-wave observatory]]

|group1 = [[Gravitational-wave observatory|Detectors]]
|list1 = {{navbox|subgroup

|group1 = [[Gravitational-wave observatory#Weber bars|Resonant mass<br /> antennas]]
|list1 = {{navbox|subgroup
|group1 = Active
|list1 =
* [[NAUTILUS]] ([[International Gravitational Event Collaboration|IGEC]])
* [[AURIGA]] ([[International Gravitational Event Collaboration|IGEC]])
* [[MiniGrail|MiniGRAIL]]
* [[Mario Schenberg (Gravitational Wave Detector)|Mario Schenberg]] 

|group2 = Past
|list2 =
* [[EXPLORER]] ([[International Gravitational Event Collaboration|IGEC]])
* [[Allegro gravitational-wave detector|ALLEGRO]] ([[International Gravitational Event Collaboration|IGEC]])
* [[NIOBE]] ([[International Gravitational Event Collaboration|IGEC]])
* [[Stanford gravitational wave detector|Stanford gravitational wave detector]]
* [[ALTAIR (gravitational wave detector)|ALTAIR]] 
* [[GEOGRAV]]
* [[AGATA (gravitational wave detector)|AGATA]]
* [[Weber bar]]

|group3 = Proposed
|list3 =
* [[Torsion-bar antenna|TOBA]]

|group4 = Past proposals
|list4 =
* [[MiniGrail|GRAIL]] (downsized to [[MiniGrail|MiniGRAIL]])
* [[Truncated Icosahedral Gravitational Wave Antenna |TIGA]] 
* [[SFERA]] 
* [[Mario Schenberg (Gravitational Wave Detector)|Graviton]] (downsized to [[Mario Schenberg (Gravitational Wave Detector)|Mario Schenberg]])
}}

|group2 = [[Ground-based interferometric gravitational-wave search| Ground-based<br/>interferometers]]
|list2 = {{navbox|subgroup

|group1 = Active
|list1 =
* [[AIGO]] ([[ACIGA]])
* [[CLIO]]
* [[Holometer|Fermilab holometer]]
* [[GEO600]]
* [[LIGO|Advanced LIGO]] ([[LIGO Scientific Collaboration]])
* [[KAGRA]]
* [[Virgo interferometer|Advanced Virgo]] ([[European Gravitational Observatory]])

|group2 = Past
|list2 =
* [[TAMA 300]] 
* [[TAMA 300|TAMA 20, later known as LISM]]
* [[TENKO-100]]
* [[LIGO#Background|Caltech 40m interferometer]]

|group3 = Planned <!-- and under construction -->
|list3 =
* [[Indian Initiative in Gravitational-wave Observations|INDIGO (LIGO-India)]]

|group4 = Proposed
|list4 =
* [[Cosmic Explorer (gravitational wave observatory)|Cosmic Explorer]]
* [[Einstein Telescope]]

|group5 = Past proposals
|list5 =
* [[LIGO-Australia]]
}}

|group3 = Space-based<br/>interferometers
|list3 = {{navbox|subgroup

|group1 = Planned
|list1 =
* [[Laser Interferometer Space Antenna|LISA]]

|group2 = Proposed
|list2 =
* [[Big Bang Observer]]
* [[Deci-hertz Interferometer Gravitational wave Observatory|DECIGO]]
* [[TianQin]]
}}
}}

|group5 = [[Pulsar timing array]]s
|list5 =
* [[European Pulsar Timing Array|EPTA]]
* [[International Pulsar Timing Array|IPTA]]
* [[North American Nanohertz Observatory for Gravitational Waves|NANOGrav]]
* [[Parkes Observatory|PPTA]]

|group6 = Data analysis
|list6 =
* [[Einstein@Home]]
* [[PyCBC]]
* [[Zooniverse]]: Gravity Spy

|group7 = Observations
|list7 = {{navbox|subgroup

|group1 = Events
|list1 = 
* [[List of gravitational wave observations|List of observations]]
* [[First observation of gravitational waves|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)

|group2 = Methods
|list2 = 
* Direct detection
** [[Interferometric gravitational-wave detector|Laser interferometers]]
** Resonant mass detectors
** ''Proposed: [[Atom interferometer]]s''
* Indirect detection
** [[Cosmic microwave background#B-modes|B-modes]] of [[Cosmic microwave background|CMB]]
** [[Pulsar timing array]]
** [[Binary pulsar]]
}}

|group8 = Theory
|list8 =
* [[General relativity]]
* [[Tests of general relativity]]
* [[Alternatives to general relativity|Metric theories]]
* [[Graviton]]

|group9 = Effects / properties
|list9 =
* [[Gravitational wave#Effects of passing|Polarization]]
* [[Spin-flip]]
* [[Redshift]]
* Travel with [[speed of light]]
* h strain
* Chirp signal ([[chirp mass]])
* Carried [[energy]]
* [[Gravitational wave background]]

|group10 = Types / sources
|list10 = 
* [[Stochastic]]
** [[Cosmic inflation]]-[[quantum fluctuation]]
** [[Phase transition]]
* Binary inspiral
** [[Supermassive black hole]]s
** [[Stellar black hole]]s
** [[Neutron star]]s
** [[Extreme_mass_ratio_inspiral|EMRI]]
* Continuous
** Rotating neutron star
* Burst
** [[Supernova]] or from ''unknown'' sources
* Hypothesis
** Colliding [[cosmic string]] and ''other unknown'' sources

}}<noinclude>
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[[Category:Physics navigational boxes]]
[[Category:Astronomy navigational boxes]]

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