gptkbp:instance_of
|
gptkb:star
|
gptkbp:bfsLayer
|
4
|
gptkbp:bfsParent
|
gptkb:Battle_Tech
|
gptkbp:age
|
approximately 1 billion years
|
gptkbp:apparent_magnitude
|
2.08
|
gptkbp:area
|
about 12 solar radii
|
gptkbp:average_temperature
|
approximately 4,600 K
|
gptkbp:common_name
|
gptkb:Alpha_Ophiuchi
|
gptkbp:constellation
|
gptkb:Ophiuchus
|
gptkbp:contains
|
gptkb:Rasalhague_B
M-type dwarf
|
gptkbp:declination
|
-14° 30′ 42″
|
gptkbp:depicted_in
|
gptkb:theorem
|
gptkbp:distance
|
49 light years
|
gptkbp:has_color
|
1.06
+1.5
+1.25
|
gptkbp:has_luminosity
|
about 100 times that of the Sun
approximately 50 times that of the Sun
|
gptkbp:has_spectral_type
|
gptkb:K5_III
gptkb:K0_III
K2 III
|
gptkbp:has_team
|
-0.12 arcseconds/year
-0.15 arcseconds/year
-0.020 mas/yr
-0.045 mas/yr
|
https://www.w3.org/2000/01/rdf-schema#label
|
Rasalhague
|
gptkbp:is_a
|
gptkb:star
|
gptkbp:is_located_near
|
47 light years from Earth
|
gptkbp:is_part_of
|
gptkb:the_Milky_Way_galaxy
multiple star system
constellation Ophiuchus
|
gptkbp:marketed_as
|
gptkb:Alpha_Ophiuchi
|
gptkbp:mass
|
about 2.5 solar masses
approximately 2.5 solar masses
|
gptkbp:named_after
|
an Arabic term meaning 'the head of the serpent bearer'
Arabic term for 'the head of the serpent bearer'
|
gptkbp:number
|
6090
147165
|
gptkbp:orbital_period
|
approximately 1000 years
|
gptkbp:origin
|
the head of the serpent bearer
|
gptkbp:right_ascension
|
17h 24m 20.0s
|
gptkbp:set_in
|
the celestial sphere
|
gptkbp:speed
|
-5.0 km/s
|
gptkbp:type
|
gptkb:star
|
gptkbp:type_of
|
K-type giant star
|