Palomar Testbed Interferometer
E514338
The Palomar Testbed Interferometer is an astronomical interferometer designed to combine light from multiple small telescopes to achieve extremely high angular resolution for precision measurements of stars and other celestial objects.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical interferometer
ⓘ
optical interferometer ⓘ stellar interferometer ⓘ |
| affiliation |
Caltech
NERFINISHED
ⓘ
NASA NERFINISHED ⓘ |
| angularResolution | sub-milliarcsecond ⓘ |
| commissioned | 1995 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| decommissioned | early 2000s ⓘ |
| designedFor |
binary star characterization
ⓘ
exoplanet-related astrometric measurements ⓘ high angular resolution observations ⓘ measurement of stellar diameters ⓘ precision astrometry ⓘ precision stellar measurements ⓘ technology development for space interferometry ⓘ |
| firstLight | mid-1990s ⓘ |
| hasBaselineLength |
110 metres
ⓘ
35 metres ⓘ 85 metres ⓘ |
| hasComponent | three 40-cm siderostats ⓘ |
| hasTechnology |
active path-length control
ⓘ
delay lines ⓘ fringe tracking ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Palomar Observatory NERFINISHED ⓘ San Diego County ⓘ
surface form:
San Diego County, California
United States of America ⓘ
surface form:
United States
|
| namedAfter | Palomar Observatory NERFINISHED ⓘ |
| numberOfTelescopes | 3 ⓘ |
| observes |
binary stars
ⓘ
nearby stellar systems ⓘ stars ⓘ |
| operatedBy |
California Institute of Technology
NERFINISHED
ⓘ
Jet Propulsion Laboratory NERFINISHED ⓘ NASA Jet Propulsion Laboratory NERFINISHED ⓘ |
| primaryMirrorDiameter | 0.4 metre ⓘ |
| shortName | PTI NERFINISHED ⓘ |
| usedFor |
calibration of interferometric techniques
ⓘ
development of instrumentation for the Space Interferometry Mission ⓘ measurement of stellar orbits in binary systems ⓘ narrow-angle astrometry ⓘ search for exoplanets via astrometric wobble ⓘ |
| uses |
aperture synthesis
ⓘ
optical long-baseline interferometry ⓘ |
| wavelengthRange |
H band
ⓘ
K band ⓘ near-infrared ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.