Statements (117)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:are_brighter_than |
most other stars
|
| gptkbp:are_known_for |
strong stellar winds
high surface temperatures mass loss influence their surrounding environment lose mass rapidly emit strong ultraviolet radiation have short lifespans undergo rapid changes |
| gptkbp:are_part_of |
stellar populations
the Hertzsprung-Russell diagram the HR diagram the cosmic distance ladder the Luminous Blue Variable class the classification of variable stars the evolutionary track of massive stars the variable star classification system |
| gptkbp:associated_phenomenon |
mass loss
|
| gptkbp:associated_with |
nebulae
massive stars |
| gptkbp:average_temperature |
10,000 to 30,000 K
|
| gptkbp:can |
multiple companions
|
| gptkbp:can_be_found_in |
gptkb:the_Andromeda_Galaxy
star-forming regions |
| gptkbp:can_be_used_to |
measure distances in astronomy
|
| gptkbp:can_vary_in_brightness |
over time
|
| gptkbp:categories |
gptkb:Wolf-Rayet_stars
gptkb:Cepheid_variables |
| gptkbp:characteristic |
blue color
high luminosity |
| gptkbp:characterized_by |
blue color
high luminosity |
| gptkbp:created |
gptkb:Supernova
|
| gptkbp:discovered_by |
gptkb:astronomy
|
| gptkbp:discovery |
gptkb:20th_century
|
| gptkbp:end_stage |
gptkb:Supernova
|
| gptkbp:example |
gptkb:Eta_Carinae
gptkb:P_Cygni gptkb:WR_136 gptkb:WR_124 gptkb:HD_168112 gptkb:HD_269652 WR 102 |
| gptkbp:exhibits |
instability
light curves pulsations massive outbursts irregular light variations |
| gptkbp:has_spectral_type |
O or B type
|
| gptkbp:has_variations |
brightness
|
| gptkbp:have_temperature |
over 20,000 K
|
| https://www.w3.org/2000/01/rdf-schema#label |
Luminous Blue Variables
|
| gptkbp:is_analyzed_in |
galactic surveys
|
| gptkbp:is_associated_with |
stellar nurseries
supernova progenitors mass loss events |
| gptkbp:is_considered |
important for understanding stellar feedback.
key objects in the study of stellar dynamics rare stars |
| gptkbp:is_considered_to_be |
important for cosmic chemical evolution
|
| gptkbp:is_essential_for |
gptkb:cosmology
studying stellar evolution stellar astrophysics understanding galaxy evolution understanding stellar evolution understanding the life cycle of stars understanding stellar mass loss. |
| gptkbp:is_found_in |
gptkb:the_Milky_Way
gptkb:the_Milky_Way_galaxy galaxies star-forming regions |
| gptkbp:is_influenced_by |
stellar winds
|
| gptkbp:is_located_in |
gptkb:the_Large_Magellanic_Cloud
|
| gptkbp:is_monitored_by |
telescopes
changes in brightness |
| gptkbp:is_observed_in |
optical wavelengths
space telescopes the infrared spectrum |
| gptkbp:is_often_associated_with |
nebulae
|
| gptkbp:is_often_compared_to |
gptkb:Cepheid_variables
|
| gptkbp:is_often_seen_in |
star clusters
high-redshift galaxies irregular galaxies |
| gptkbp:is_recognized_as |
1960s
|
| gptkbp:is_recognized_by |
their spectral lines
|
| gptkbp:is_related_to |
gptkb:Wolf-Rayet_stars
massive star formation |
| gptkbp:is_studied_for |
stellar atmospheres
their light curves their impact on surrounding gas and dust their role in supernova progenitors their evolutionary paths |
| gptkbp:is_studied_in |
gptkb:spectroscopy
astrophysics space telescopes stellar astrophysics |
| gptkbp:is_used_in |
distance measurement
|
| gptkbp:is_used_to |
calibrate distance scales
|
| gptkbp:key |
understanding galaxy evolution
|
| gptkbp:lifespan |
short-lived
|
| gptkbp:lighting |
irregular
|
| gptkbp:location |
galaxies
|
| gptkbp:luminosity_range |
10,000 to 1,000,000 times the Sun
|
| gptkbp:mass |
20 to 100 solar masses
greater than 25 solar masses |
| gptkbp:notable_feature |
variable brightness
strong stellar winds high mass loss rate |
| gptkbp:originated_in |
post-main sequence
|
| gptkbp:research |
gptkb:spectroscopy
photometry |
| gptkbp:scientific_classification |
variable stars
pulsating variables |
| gptkbp:type |
gptkb:Giant
|
| gptkbp:bfsParent |
gptkb:Carina_star_forming_region
|
| gptkbp:bfsLayer |
6
|