Statements (92)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:age |
approximately 100 million years
|
| gptkbp:apparent_magnitude |
4.25
3.27 |
| gptkbp:average_temperature |
about 8,000 K
|
| gptkbp:constellation |
gptkb:Pictor
|
| gptkbp:discovered_by |
the 19th century
|
| gptkbp:distance |
approximately 50 light years
about 5.5 |
| gptkbp:has_a_focus_on |
stellar classification research
|
| gptkbp:has_a_primary_component |
gptkb:Alpha_Pictoris_A
|
| gptkbp:has_a_secondary_component |
gptkb:Alpha_Pictoris_B
|
| gptkbp:has_a_separation_of |
about 10 arcseconds between components
|
| gptkbp:has_luminosity |
about 20 times that of the Sun
about 30 solar luminosities |
| gptkbp:has_mechanic |
of 0.15 arcseconds/year
about 0.3 arcseconds per year |
| gptkbp:has_radius |
about 2.2 solar radii
about 2.2 times that of the Sun |
| gptkbp:has_spectral_type |
gptkb:A0_V
A0 V for Alpha Pictoris A M3 V for Alpha Pictoris B |
| https://www.w3.org/2000/01/rdf-schema#label |
Alpha Pictoris
|
| gptkbp:is_a_binary_system_that_exhibits |
dynamical interactions between components
|
| gptkbp:is_a_binary_system_that_has |
been used to test theories of stellar formation.
|
| gptkbp:is_a_binary_system_that_is |
easily observable with amateur telescopes
|
| gptkbp:is_a_member_of |
the solar neighborhood
the young stellar population |
| gptkbp:is_a_prominent_star_in |
its constellation
|
| gptkbp:is_a_reference_for |
stellar navigation
stellar brightness comparisons |
| gptkbp:is_a_relatively_young_star_system_with_an_age_of |
about 20 million years
|
| gptkbp:is_a_subject_of |
astrophysics
spectroscopic analysis stellar astrophysics stellar dynamics studies |
| 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_known_for |
its brightness and visibility
distinctive color contrast between components |
| gptkbp:is_known_to |
a relatively high metallicity
a high rotation rate |
| gptkbp:is_located_in |
the constellation Pictor
|
| gptkbp:is_observed_in |
gptkb:the_Hubble_Space_Telescope
variability in brightness |
| gptkbp:is_often_compared_to |
other A-type stars
|
| gptkbp:is_often_described_as |
gptkb:Alpha_Pic
|
| gptkbp:is_often_featured_in |
astronomy literature
|
| gptkbp:is_often_referenced_in |
astronomical literature
astrophysical measurements |
| 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_part_of_a_larger_group_of_stars_known_as |
the Beta Pictoris moving group
|
| gptkbp:is_studied_for |
chemical composition
|
| gptkbp:is_studied_in |
exoplanetary systems
its potential for hosting planets |
| gptkbp:is_visible_from |
in the southern hemisphere
|
| gptkbp:known_as |
HR 2020
|
| gptkbp:mass |
about 2.5 solar masses
about 2.5 times that of the Sun |
| gptkbp:metallicity |
about solar metallicity
|
| gptkbp:notable_nominees |
a binary star system
hosting exoplanets |
| gptkbp:often_includes |
star charts
|
| gptkbp:orbit_type |
at least one exoplanet
|
| gptkbp:provided |
various star catalogs
|
| gptkbp:rotation_period |
about 10 days for Alpha Pictoris A
about 30 days for Alpha Pictoris B |
| gptkbp:scientific_classification |
a blue-white star
a binary star system with a wide separation |
| gptkbp:speed |
about 200 km/s
|
| gptkbp:targets |
gptkb:exoplanet
astrophysical research planetary formation studies |
| gptkbp:type |
gptkb:main-sequence_star
|
| gptkbp:type_of |
A-type main-sequence star
|
| gptkbp:was_first_cataloged_in |
the 18th century
|
| gptkbp:bfsParent |
gptkb:Pictor
|
| gptkbp:bfsLayer |
5
|