Statements (55)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:bfsLayer |
5
|
| gptkbp:bfsParent |
gptkb:NGC_2158
|
| gptkbp:age |
up to a few billion years
|
| gptkbp:born |
formed from the same molecular cloud as other stars
|
| gptkbp:characteristics |
younger than globular clusters
|
| gptkbp:composed_of |
metal-rich stars
generally higher metallicity than Population I stars |
| gptkbp:constellation |
can contain white dwarfs and neutron stars
|
| gptkbp:contains |
clusters can experience tidal interactions with the galaxy
|
| gptkbp:dissolved |
clusters can disperse over time
|
| gptkbp:distribution |
found in the Milky Way and other galaxies
|
| gptkbp:example |
gptkb:Hyades
gptkb:Pleiades |
| gptkbp:formation_date |
provide clues to the history of star formation in the galaxy
|
| gptkbp:formed |
formed from the same molecular cloud
theories explain how clusters form and evolve |
| gptkbp:fruit_type |
includes O, B, A, F, G, K stars
|
| gptkbp:has_luminosity |
age can be estimated through isochrone fitting
not typically found in the galactic halo stars evolve together in clusters stars can interact gravitationally within the cluster |
| gptkbp:historical_significance |
first identified in the 18th century
|
| https://www.w3.org/2000/01/rdf-schema#label |
open cluster population II
|
| gptkbp:is_a_tool_for |
Hubble Space Telescope used for observations
ground-based telescopes used for observations |
| gptkbp:is_compared_to |
compared to globular clusters in terms of age and composition
|
| gptkbp:is_essential_for |
studying stellar evolution
understanding galactic structure |
| gptkbp:is_observed_in |
key area of research in observational astronomy
|
| gptkbp:lifespan |
can last several hundred million years
|
| gptkbp:location |
galaxy disk
|
| gptkbp:major_city |
gptkb:NGC_188
gptkb:NGC_752 gptkb:M67 gptkb:NGC_2244 gptkb:NGC_6819 |
| gptkbp:mass |
includes a range of stellar masses
|
| gptkbp:mechanics |
looser gravitational binding than globular clusters
|
| gptkbp:movement |
stars have similar velocities within the cluster
|
| gptkbp:population_trend |
dynamics influenced by nearby stars
important for understanding the Milky Way's history |
| gptkbp:related_model |
models help predict cluster evolution
|
| gptkbp:relationship |
associated with star formation regions
|
| gptkbp:reproduction |
used to model the light from clusters.
|
| gptkbp:research |
gptkb:musician
photometry difficult to observe due to distance and brightness |
| gptkbp:research_focus |
help in calibrating distance scales
provide insights into the chemical evolution of galaxies |
| gptkbp:scientific_classification |
part of the classification of star clusters
|
| gptkbp:size |
typically contain a few dozen to a few thousand stars
|
| gptkbp:track |
used to study the life cycles of stars in clusters
|
| gptkbp:type |
gptkb:star
|
| gptkbp:universe |
part of the broader study of galactic dynamics
|