|
gptkbp:instanceOf
|
gptkb:astronomer
|
|
gptkbp:associatedWith
|
young stellar objects
|
|
gptkbp:cataloguedIn
|
gptkb:Herbig–Haro_catalogue
|
|
gptkbp:category
|
gptkb:Titan
gptkb:planetary_nebula
|
|
gptkbp:composedOf
|
ionized gas
|
|
gptkbp:discoveredBy
|
gptkb:George_Herbig
gptkb:Guillermo_Haro
|
|
gptkbp:distanceFromEarth
|
hundreds to thousands of light-years
|
|
gptkbp:emits
|
visible light
|
|
gptkbp:example
|
gptkb:HH_111
gptkb:HH_1
gptkb:HH_2
gptkb:HH_34
gptkb:HH_46/47
|
|
gptkbp:firstObserved
|
1940s
|
|
gptkbp:formationMechanism
|
jets from young stars colliding with interstellar medium
|
|
gptkbp:foundIn
|
star-forming regions
|
|
gptkbp:frequency
|
hydrogen alpha
[O I] emission
[S II] emission
|
|
gptkbp:lifespan
|
a few thousand years
|
|
gptkbp:namedAfter
|
gptkb:George_Herbig
gptkb:Guillermo_Haro
|
|
gptkbp:observedBy
|
gptkb:Orion_Nebula
gptkb:Hubble_Space_Telescope
gptkb:Rho_Ophiuchi_cloud_complex
gptkb:Taurus_Molecular_Cloud
optical telescopes
|
|
gptkbp:relatedTo
|
protostars
bipolar outflows
|
|
gptkbp:speed
|
several hundred kilometers per second
|
|
gptkbp:studiedIn
|
astrophysics
|
|
gptkbp:bfsParent
|
gptkb:Guillermo_Haro
|
|
gptkbp:bfsLayer
|
6
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Herbig–Haro objects
|