spectroheliograph

E126145

A spectroheliograph is an astronomical instrument that records images of the Sun at a single wavelength, typically in a specific spectral line, to reveal details of solar structure and activity.

All labels observed (1)

Label Occurrences
spectroheliograph canonical 1

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf astronomical instrument
solar observation instrument
designedTo isolate a narrow spectral line from the solar spectrum
produce monochromatic images of the Sun
scan the solar disk
developedBy George Ellery Hale
differentFrom coronagraph
heliograph
spectrograph
fieldOfUse astrophysics
solar physics
firstUsedAt Kenwood Observatory
firstUsedFor systematic mapping of solar prominences
hasComponent CCD camera
detector
diffraction grating
dispersing element
entrance slit
exit slit
photographic plate
prism
spectrograph
telescope
hasLimitation requires long scanning times compared to modern imaging spectrometers
inception late 19th century
measures intensity of solar radiation at a selected wavelength
operatesOn narrow spectral band
ultraviolet light
visible light
output spectroheliogram
relatedTo spectrohelioscope
requires accurate wavelength selection
precise mechanical scanning of the solar image
typicallyObserves calcium H line
calcium K line
hydrogen H-alpha line
usedFor mapping solar chromospheric features
monitoring solar flares
observing filaments
observing plages
observing solar prominences
observing sunspots
observing the Sun in a specific spectral line
recording images of the Sun at a single wavelength
studying solar activity
studying solar structure
usedIn ground-based solar observatories
historical solar patrol programs

How these facts were elicited

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

George Ellery Hale instrumentInvented spectroheliograph