|
gptkbp:instance_of
|
gptkb:star
|
|
gptkbp:apparent_magnitude
|
-0.27
|
|
gptkbp:average_temperature
|
5790 K
|
|
gptkbp:country
|
gptkb:Proxima_Centauri_b
gptkb:Alpha_Centauri_Bb
gptkb:Proxima_Centauri_c
at least 1 confirmed planet (Proxima Centauri b)
|
|
gptkbp:cultural_references
|
gptkb:science_fiction
|
|
gptkbp:declination
|
-60° 50' 02"
|
|
gptkbp:discovered_by
|
gptkb:unknown
1836
the 17th century
|
|
gptkbp:distance
|
4.37 light years
|
|
gptkbp:has_color
|
yellowish-white
|
|
gptkbp:has_companion
|
Alpha Centauri B and C
|
|
gptkbp:has_component
|
gptkb:Alpha_Centauri_B
gptkb:Alpha_Centauri_A
gptkb:Proxima_Centauri
|
|
gptkbp:has_luminosity
|
1.5 solar luminosities
|
|
gptkbp:has_potential_for_habitability
|
gptkb:Yes
|
|
gptkbp:has_radius
|
1.2 solar radii
|
|
gptkbp:has_spectral_type
|
G2 V, K1 V, M5.5 Ve
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Alpha Centauri
|
|
gptkbp:is_a
|
gptkb:astronomy
gptkb:star
triple star system
navigational star
|
|
gptkbp:is_akey_target_for
|
interstellar travel missions
|
|
gptkbp:is_approximately
|
4.37 light years from Earth
|
|
gptkbp:is_considered
|
gptkb:interstellar_travel
|
|
gptkbp:is_considered_as
|
a potential target for exoplanet studies
|
|
gptkbp:is_explored_in
|
telescopes
space missions (future proposals)
|
|
gptkbp:is_in
|
the Southern Hemisphere
|
|
gptkbp:is_known_for
|
its proximity to Earth
its brightness in the night sky
|
|
gptkbp:is_located_in
|
gptkb:Centaurus_constellation
gptkb:the_Milky_Way_galaxy
constellation Centaurus
|
|
gptkbp:is_mentioned_in
|
gptkb:literature
|
|
gptkbp:is_observed_in
|
various wavelengths
|
|
gptkbp:is_often_compared_to
|
gptkb:Sirius
|
|
gptkbp:is_one_of
|
the closest stars to Earth
|
|
gptkbp:is_part_of
|
gptkb:Centauri_system
gptkb:the_Milky_Way
gptkb:Alpha_Centauri_system
gptkb:Milky_Way
gptkb:Milky_Way_galaxy
gptkb:the_Local_Group
the Centaurus constellation
local stellar group
stellar neighborhood
the Alpha Centauri constellation
the Centauri constellation
the Alpha Centauri star system
the Alpha Centauri system
|
|
gptkbp:is_studied_in
|
gptkb:astronomy
astrophysics
|
|
gptkbp:is_used_in
|
gptkb:navigation
stellar navigation
|
|
gptkbp:is_visible_from
|
gptkb:Earth
gptkb:Yes
gptkb:true
the naked eye
the Southern Hemisphere night sky
|
|
gptkbp:lighting
|
-0.27
|
|
gptkbp:mass
|
1.1 solar masses
approximately 1.1 solar masses
|
|
gptkbp:orbital_inclination
|
79 degrees
|
|
gptkbp:orbital_period
|
79.91 years
80 years
|
|
gptkbp:right_ascension
|
14h 39m 36.5s
|
|
gptkbp:scientific_classification
|
a binary star system
|
|
gptkbp:system
|
gptkb:true
|
|
gptkbp:targets
|
gptkb:exoplanet
SETI projects
|
|
gptkbp:type
|
triple star system
|
|
gptkbp:bfsParent
|
gptkb:Sid_Meier
|
|
gptkbp:bfsLayer
|
4
|