Statements (123)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:bfsLayer |
4
|
| gptkbp:bfsParent |
gptkb:Cassiopeia
|
| gptkbp:age |
approximately 10 million years
|
| gptkbp:apparent_magnitude |
2.2
2.5 1.58 -6.5 +1.85 |
| gptkbp:area |
approximately 6 times that of the Sun
approximately 6 solar radii |
| gptkbp:average_temperature |
approximately 25,000 K
approximately 22,000 K |
| gptkbp:composed_of |
helium and hydrogen rich
|
| gptkbp:constellation |
gptkb:Cassiopeia
|
| gptkbp:contains |
gptkb:Gamma_Cassiopeiae_B
gptkb:battle none known |
| gptkbp:coordinates |
RA 23h 27m 36s, Dec +60° 43′ 24″
|
| gptkbp:depicted_in |
gptkb:physicist
gptkb:battle the naked eye with the naked eye |
| gptkbp:discovered_by |
gptkb:19th_century
gptkb:unknown |
| gptkbp:distance |
550 light years
|
| gptkbp:exhibition |
gptkb:HD_224014
gptkb:HIP_117202 gptkb:HR_8130 |
| gptkbp:has_color |
-0.25
|
| gptkbp:has_friend |
multiple stars in close proximity
|
| gptkbp:has_luminosity |
approximately 10,000 times that of the Sun
approximately 20,000 times that of the Sun |
| gptkbp:has_spectral_type |
B0.5e
B0 IV B0.5 I Ve B0 II Ie |
| gptkbp:has_team |
gptkb:significant
0.12 arcseconds/year -0.12 arcseconds/year -0.10 arcseconds/year |
| gptkbp:has_variants |
gptkb:Beta_Cephei_variable
|
| gptkbp:historical_significance |
noted by ancient astronomers
|
| https://www.w3.org/2000/01/rdf-schema#label |
Gamma Cassiopeiae
|
| gptkbp:includes |
star catalogs
|
| gptkbp:is_a |
gptkb:star
|
| gptkbp:is_associated_with |
gptkb:Gamma_Cassiopeiae_A
gptkb:Gamma_Cassiopeiae_B gptkb:Gamma_Cassiopeiae_C various astronomical phenomena Gamma Cassiopeiae group of stars the Cassiopeia constellation mythology nebulae and star formation regions |
| gptkbp:is_atype_of |
Be star
|
| gptkbp:is_considered_as |
a significant star in its constellation
a prototype of its class |
| gptkbp:is_known_for |
its rapid rotation
its variability in brightness its high rotational velocity its role in the study of massive stars its brightness variability irregular variability Nashira its high energy emissions its strong emission lines its unique spectral characteristics its contribution to understanding stellar winds. |
| gptkbp:is_monitored_by |
various telescopes
|
| gptkbp:is_noted_for |
its brightness variability
|
| gptkbp:is_observed_in |
amateur astronomers
optical wavelengths infrared wavelengths multiple wavelengths |
| gptkbp:is_part_of |
gptkb:Milky_Way_galaxy
Cassiopeia constellation the celestial sphere the astronomical community's studies the local stellar neighborhood the Perseus arm of the Milky Way the Milky Way's stellar population the Cassiopeia constellation family Gamma Cassiopeiae group of stars open cluster IC 1805 the Cassiopeia constellation family of stars the Cassiopeia constellation group the Cassiopeia constellation group of stars the Cassiopeia constellation region the Cassiopeia constellation's asterism the Cassiopeia constellation's bright stars the open cluster NGC 457 the star-forming region IC 1805 the stellar association Cas O B6 the study of massive stars. the Cassiopeia constellation's prominent stars |
| gptkbp:is_studied_in |
astrophysics
stellar evolution stellar astrophysics its mass loss rate |
| gptkbp:is_used_in |
stellar evolution studies
navigational astronomy stellar classification research |
| gptkbp:lighting |
irregular
|
| gptkbp:located_in |
gptkb:Milky_Way_galaxy
Cassiopeia constellation constellation Cassiopeia Declination +60° 43′ 00″ Right Ascension 23h 27m 50.0s Right Ascension 23h 27m 30s |
| gptkbp:mass |
approximately 10 times that of the Sun
approximately 20 solar masses |
| gptkbp:named_after |
the constellation Cassiopeia
|
| gptkbp:notable_feature |
strong emission lines in spectrum
|
| gptkbp:orbital_period |
approximately 2.5 days
approximately 0.5 days |
| gptkbp:parallax |
0.0059 arcseconds
|
| gptkbp:previous_name |
gptkb:Alderamin
|
| gptkbp:research |
observed since ancient times
|
| gptkbp:scientific_classification |
a bright star
|
| gptkbp:specifies |
gptkb:HD_67228
HR 2461 |
| gptkbp:type |
Be star
|
| gptkbp:type_of |
Be star
|
| gptkbp:year_created |
1783
|