ionizingSource

P58484 predicate

Indicates that the subject acts as a source that produces or emits ionizing radiation affecting the object.

Observed surface forms (12)

Sample triples (70)

Subject Object
30 Doradus massive young stars via predicate surface "ionizationSource"
9 Sagittarii Lagoon Nebula H II region via predicate surface "drivesIonization" NERFINISHED
9 Sagittarii M8 (Lagoon Nebula) via predicate surface "ionizingPhotonSourceFor" NERFINISHED
Alnitak nearby emission nebulae via predicate surface "isIonizingSourceFor"
Atik nearby interstellar medium via predicate surface "isIonizingSourceFor"
B33 nearby massive stars in Orion OB1 association via predicate surface "ionizedBy"
Barnard's Loop massive stars in Orion OB1 association via predicate surface "ionizedBy"
Caldwell 20 Deneb NERFINISHED
Caldwell 49 massive stars of NGC 2244 via predicate surface "ionizedBy"
Eagle Nebula massive O-type stars via predicate surface "ionizedBy"
Flame Nebula Alnitak via predicate surface "ionizedBy" NERFINISHED
Flame Nebula massive O-type star via predicate surface "ionizingSourceType"
H II regions
surface form: H II region
Lyman continuum photons via predicate surface "ionizedBy"
HD 24131 true via predicate surface "isIonizingSource"
HIP 26727 nearby emission nebulae in Orion's Belt region via predicate surface "isIonizingSourceFor"
Heart Nebula hot B-type stars via predicate surface "ionizationSource"
Heart Nebula hot O-type stars via predicate surface "ionizationSource"
Horsehead Nebula σ Orionis cluster via predicate surface "ionizingSourceOfBackground"
surface form: Sigma Orionis
Hourglass Nebula region ultraviolet radiation from massive stars via predicate surface "ionizedBy"
Hubble V massive O-type stars via predicate surface "ionizedBy"
Hubble V young stellar population via predicate surface "ionizedBy"
planetaryNebula IC 1295
surface form: IC 1295
ultraviolet radiation from central star via predicate surface "hasIonizationSource"
IC 1590 NGC 281 H II region via predicate surface "isIonizingSourceOf" NERFINISHED
IC 1795 massive O-type stars
IC 1805 massive O-type stars via predicate surface "ionizationSource"
IC 1805 (Heart Nebula)
surface form: IC 1805
massive O-type stars in Melotte 15
IC 1805 young star cluster Melotte 15 via predicate surface "ionizationSource" NERFINISHED
IC 1848 (Soul Nebula)
surface form: IC 1848
ultraviolet radiation from young stars via predicate surface "ionizedBy"
IC 2177 nearby hot stars via predicate surface "ionizationSource"
IC418
surface form: IC 418
ultraviolet radiation from central star via predicate surface "ionizationSource"
Io plasma torus charge exchange processes via predicate surface "ionizedBy"
Io plasma torus electron impact via predicate surface "ionizedBy"
Lagoon Nebula hot O-type stars via predicate surface "ionizingSources"
M42 Theta1 Orionis C via predicate surface "ionizedBy" NERFINISHED
M42 massive O-type stars via predicate surface "ionizedBy"
M43 massive young stars via predicate surface "ionizationSource"
Messier 16 massive hot stars in NGC 6611 via predicate surface "ionizedBy"
Messier 17 massive O-type stars
NGC 1499 (California Nebula)
surface form: NGC 1499
ξ Persei
surface form: Xi Persei
NGC 1499 ultraviolet radiation from Xi Persei via predicate surface "ionizationSource"
NGC 1763 massive B-type stars via predicate surface "hasIonizingSources"
NGC 1763 massive O-type stars via predicate surface "hasIonizingSources"
NGC 1977 hot young stars via predicate surface "ionizationSource"
NGC 2024 Alnitak NERFINISHED
NGC 2032 B-type stars via predicate surface "hasIonizingSources"
NGC 2032 massive O-type stars via predicate surface "hasIonizingSources"
NGC 2264 massive young stars via predicate surface "ionizedBy"
NGC 2359 ultraviolet radiation from WR 7 via predicate surface "hasIonizationSource"
NGC 281 (Pacman Nebula)
surface form: NGC 281
massive O-type stars in IC 1590
NGC 3372 massive OB stars