Narrabri Stellar Intensity Interferometer
E295263
The Narrabri Stellar Intensity Interferometer was a pioneering astronomical instrument in Australia that used intensity interferometry to measure the angular diameters of hot stars with unprecedented precision.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Narrabri Stellar Intensity Interferometer canonical | 2 |
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical observatory
ⓘ
optical interferometer ⓘ stellar intensity interferometer ⓘ |
| altitude | approximately 200 metres above sea level ⓘ |
| basedOn | intensity interferometry ⓘ |
| commissioned | mid-1960s ⓘ |
| configuration | movable telescopes on circular track ⓘ |
| country | Australia ⓘ |
| dataType | intensity correlation data ⓘ |
| designedBy |
Richard Q. Twiss
ⓘ
Robert Hanbury Brown ⓘ |
| endDate | 1970s ⓘ |
| fundingSource | Australian research funding bodies ⓘ |
| hemisphere | Southern Hemisphere ⓘ |
| heritage | important historical astronomical instrument in Australia ⓘ |
| influenced |
design of later stellar interferometers
ⓘ
development of modern optical interferometry ⓘ |
| location |
Narrabri
ⓘ
New South Wales ⓘ |
| maximumBaseline | 188 metres ⓘ |
| measuredQuantity |
stellar angular diameter
ⓘ
visibility function of stellar disks ⓘ |
| measurementMethod | correlation of intensity fluctuations ⓘ |
| notableFor |
first practical stellar intensity interferometer
ⓘ
high-precision angular diameter measurements of hot stars ⓘ pioneering use of intensity interferometry in astronomy ⓘ |
| observedObject |
B-type stars
ⓘ
O-type stars ⓘ bright hot main-sequence stars ⓘ |
| operatedBy |
School of Physics, University of Sydney
ⓘ
University of Sydney ⓘ |
| operationalBand | visible light ⓘ |
| primaryUse |
measurement of stellar angular diameters
ⓘ
study of hot stars ⓘ |
| relatedConcept | amplitude interferometry ⓘ |
| relatedWork |
Hanbury Brown and Twiss effect
ⓘ
surface form:
Hanbury Brown–Twiss experiment
|
| scientificDiscipline |
astronomy
ⓘ
astrophysics ⓘ |
| startDate | 1963 ⓘ |
| status | decommissioned ⓘ |
| telescopeCount | 2 ⓘ |
| telescopeDiameter | 6.5 metres ⓘ |
| telescopeType | alt-azimuth mounted optical telescopes ⓘ |
| trackDiameter | 188 metres ⓘ |
| uses |
Hanbury Brown and Twiss effect
ⓘ
surface form:
Hanbury Brown–Twiss effect
|
| wavelengthRange | blue optical wavelengths ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.