Statements (92)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:star
|
gptkbp:bfsLayer |
4
|
gptkbp:bfsParent |
gptkb:Pictor
|
gptkbp:age |
approximately 100 million years
about 20 million years |
gptkbp:apparent_magnitude |
4.25
3.27 |
gptkbp:area |
about 2.2 solar radii
about 2.2 times that of the Sun |
gptkbp:average_temperature |
about 8,000 K
|
gptkbp:constellation |
gptkb:Pictor
the Beta Pictoris moving group |
gptkbp:depicted_in |
in the southern hemisphere
|
gptkbp:discovered_by |
the 19th century
|
gptkbp:distance |
approximately 50 light years
about 5.5 |
gptkbp:exhibits |
dynamical interactions between components
|
gptkbp:first_introduced |
the 18th century
|
gptkbp:focuses_on |
stellar classification research
|
gptkbp:has_luminosity |
about 20 times that of the Sun
about 30 solar luminosities |
gptkbp:has_spectral_type |
gptkb:A0_V
A0 V for Alpha Pictoris A M3 V for Alpha Pictoris B |
gptkbp:has_team |
of 0.15 arcseconds/year
about 0.3 arcseconds per year |
https://www.w3.org/2000/01/rdf-schema#label |
Alpha Pictoris
|
gptkbp:is_analyzed_in |
stellar dynamics
|
gptkbp:is_approximately |
1.5 billion years old
35 light years away from Earth 35 light-years away from Earth |
gptkbp:is_associated_with |
the study of stellar evolution
various astronomical phenomena the Pictor constellation's mythology |
gptkbp:is_divided_into |
about 10 arcseconds between components
|
gptkbp:is_equipped_with |
gptkb:Alpha_Pictoris_B
|
gptkbp:is_featured_in |
astronomy literature
|
gptkbp:is_known_for |
HR 2020
its brightness and visibility a relatively high metallicity a high rotation rate distinctive color contrast between components |
gptkbp:is_observed_in |
gptkb:the_Hubble_Space_Telescope
variability in brightness |
gptkbp:is_often_associated_with |
gptkb:Alpha_Pic
star charts astronomical literature astrophysical measurements |
gptkbp:is_often_compared_to |
other A-type stars
|
gptkbp:is_often_used_in |
stellar evolution studies
|
gptkbp:is_part_of |
gptkb:IC_2391_moving_group
gptkb:Milky_Way_galaxy the celestial sphere Galactic disk southern celestial hemisphere solar neighborhood the southern sky Pictor constellation local stellar population |
gptkbp:is_prominent_in |
its constellation
|
gptkbp:is_referenced_in |
stellar navigation
stellar brightness comparisons |
gptkbp:is_studied_in |
chemical composition
exoplanetary systems its potential for hosting planets |
gptkbp:located_in |
the constellation Pictor
|
gptkbp:mass |
about 2.5 solar masses
about 2.5 times that of the Sun |
gptkbp:members |
the solar neighborhood
the young stellar population |
gptkbp:metallicity |
about solar metallicity
|
gptkbp:mission |
at least one exoplanet
|
gptkbp:notable_inductees |
a binary star system
hosting exoplanets |
gptkbp:operating_system |
been used to test theories of stellar formation.
easily observable with amateur telescopes |
gptkbp:orbital_period |
about 10 days for Alpha Pictoris A
about 30 days for Alpha Pictoris B |
gptkbp:primary_function |
gptkb:Alpha_Pictoris_A
|
gptkbp:provides |
various star catalogs
|
gptkbp:scientific_classification |
a blue-white star
a binary star system with a wide separation |
gptkbp:speed |
about 200 km/s
|
gptkbp:subject |
astrophysics
spectroscopic analysis stellar astrophysics stellar dynamics studies |
gptkbp:targets |
gptkb:planet
astrophysical research planetary formation studies |
gptkbp:type |
gptkb:star
|
gptkbp:type_of |
A-type main-sequence star
|