|
gptkbp:instance_of
|
gptkb:main-sequence_star
gptkb:star
|
|
gptkbp:age
|
gptkb:40_Ophiuchi_B
4.5 billion years
|
|
gptkbp:apparent_magnitude
|
5.5
|
|
gptkbp:average_temperature
|
5,800 K
5600 K
|
|
gptkbp:components
|
gptkb:40_Ophiuchi
|
|
gptkbp:composed_of
|
hydrogen and helium
|
|
gptkbp:coordinates
|
l= 25.0°, b= -10.0°
|
|
gptkbp:distance_from_earth
|
16.5 light years
|
|
gptkbp:has_color
|
0.6
yellowish
|
|
gptkbp:has_companion
|
gptkb:40_Ophiuchi_B
|
|
gptkbp:has_connection_to
|
gptkb:star
|
|
gptkbp:has_distance_to_galactic_center
|
gptkb:unknown
|
|
gptkbp:has_distance_to_sun
|
16.5 light years
|
|
gptkbp:has_luminosity
|
1.5 solar luminosities
1.3 solar luminosities
|
|
gptkbp:has_mechanic
|
-0.12 arcseconds/year
-0.15 arcseconds/year
|
|
gptkbp:has_radius
|
1.1 solar radii
|
|
gptkbp:has_spectral_type
|
gptkb:main-sequence_star
G5 V
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
40 Ophiuchi A
|
|
gptkbp:is_approximately
|
16.5 light years away from Earth
|
|
gptkbp:is_atype_of
|
gptkb:main-sequence_star
gptkb:Dwarves
G-type star
single star
solar-type star
binary star component
star system component
|
|
gptkbp:is_in_the_galactic_center_region
|
false
|
|
gptkbp:is_in_the_galactic_disk
|
gptkb:true
|
|
gptkbp:is_in_the_galactic_halo
|
false
|
|
gptkbp:is_in_the_galactic_plane
|
gptkb:true
|
|
gptkbp:is_in_the_hertzsprung_russell_diagram
|
gptkb:true
|
|
gptkbp:is_in_the_local_bubble
|
gptkb:true
|
|
gptkbp:is_in_the_local_group
|
false
|
|
gptkbp:is_in_the_milky_way
|
gptkb:true
|
|
gptkbp:is_in_the_milky_way_galaxy
|
gptkb:true
|
|
gptkbp:is_in_the_solar_system_neighborhood
|
gptkb:true
|
|
gptkbp:is_located_at
|
Dec -24° 22' 36"
RA 17h 38m 12s
|
|
gptkbp:is_located_in
|
constellation Ophiuchus
|
|
gptkbp:is_part_of
|
gptkb:star
multiple star system
solar neighborhood
40 Ophiuchi system
|
|
gptkbp:is_visible_from
|
gptkb:true
|
|
gptkbp:lighting
|
gptkb:40_Ophiuchi_B
|
|
gptkbp:mass
|
1.1 solar masses
0.8 solar masses
|
|
gptkbp:metallicity
|
solar metallicity
|
|
gptkbp:orbital_inclination
|
gptkb:unknown
|
|
gptkbp:orbital_period
|
100 years
|
|
gptkbp:parallax
|
0.198 arcseconds
|
|
gptkbp:rotation_period
|
25 days
|
|
gptkbp:size
|
gptkb:40_Ophiuchi_B
|
|
gptkbp:surface
|
4.4 m/s²
4.5 cm/s²
|