Statements (48)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:age |
approximately 3 million years
|
| gptkbp:apparent_magnitude |
3.7
|
| gptkbp:average_temperature |
approximately 7000 K
|
| gptkbp:catalog_designation |
HR 2028
|
| gptkbp:collection |
data collected over centuries
|
| gptkbp:companion_type |
B-type star
|
| gptkbp:constellation |
gptkb:Auriga
|
| gptkbp:contains_star |
classified as a binary star system
similar to other eclipsing binaries |
| gptkbp:discovery_year |
1821
|
| gptkbp:distance |
2000 light years
|
| gptkbp:eclipse_frequency |
every 27.1 years
|
| gptkbp:eclipsing_nature |
characterized by periodic eclipses
|
| gptkbp:field_of_study |
astrophysics
|
| gptkbp:first_appearance |
by John Herschel
|
| gptkbp:has_bayer_designation |
gptkb:ε_Aurigae
|
| gptkbp:has_luminosity |
approximately 1000 solar luminosities
|
| gptkbp:has_radius |
approximately 20 solar radii
|
| gptkbp:has_spectral_type |
F0
|
| gptkbp:has_title |
gptkb:HIP_23312
|
| gptkbp:historical_significance |
one of the first binary stars discovered
|
| https://www.w3.org/2000/01/rdf-schema#label |
Epsilon Aurigae
|
| gptkbp:is_observed_in |
various telescopes
|
| gptkbp:lighting |
0.5 magnitudes
analyzed for periodicity complex light curve due to eclipses periodic variability due to eclipses |
| gptkbp:mass |
approximately 10 solar masses
|
| gptkbp:metallicity |
solar metallicity
|
| gptkbp:module |
approximately 2 years
|
| gptkbp:notable_feature |
long-duration eclipses
|
| gptkbp:notable_work |
studied for its unique eclipsing nature
|
| gptkbp:number |
gptkb:HD_31964
|
| gptkbp:orbital_period |
27.1 years
|
| gptkbp:parallax |
0.0016 arcseconds
|
| gptkbp:primary_component |
gptkb:Epsilon_Aurigae_A
|
| gptkbp:research |
observed in various wavelengths
subject of numerous studies difficult to observe during eclipses utilizes photometry and spectroscopy |
| gptkbp:research_importance |
helps study stellar evolution
|
| gptkbp:rotation_period |
approximately 10 days
|
| gptkbp:secondary_component |
gptkb:Epsilon_Aurigae_B
|
| gptkbp:system |
gptkb:star
|
| gptkbp:type |
eclipsing binary star
|
| gptkbp:bfsParent |
gptkb:Auriga
|
| gptkbp:bfsLayer |
6
|