Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
astronomical observation method
|
| gptkbp:alsoKnownAs |
gptkb:Sandage_test
redshift drift test |
| gptkbp:appliesTo |
gptkb:Lyman-alpha_forest
distant quasars |
| gptkbp:developedBy |
gptkb:Abraham_Loeb
|
| gptkbp:field |
gptkb:cosmology
|
| gptkbp:furtherDeveloped |
1998
|
| https://www.w3.org/2000/01/rdf-schema#label |
Sandage–Loeb test
|
| gptkbp:measures |
expansion of the universe
redshift drift |
| gptkbp:observationTimescale |
decades
|
| gptkbp:potentialInstrument |
gptkb:CODEX_spectrograph
gptkb:HIRES_spectrograph gptkb:Extremely_Large_Telescope |
| gptkbp:proposedBy |
gptkb:Allan_Sandage
1962 |
| gptkbp:purpose |
measure the change in cosmological redshift over time
|
| gptkbp:relatedTo |
gptkb:Hubble's_law
gptkb:cosmic_redshift |
| gptkbp:requires |
high-precision spectrographs
long-term observations |
| gptkbp:testedBy |
dark energy
cosmic acceleration cosmological models |
| gptkbp:bfsParent |
gptkb:Allan_R._Sandage
|
| gptkbp:bfsLayer |
6
|