gptkbp:instance_of
|
gptkb:star
|
gptkbp:activities
|
low activity
|
gptkbp:age
|
gptkb:27_Herculis_B
|
gptkbp:apparent_magnitude
|
5.5
5.25
|
gptkbp:area
|
1.2 solar radii
|
gptkbp:average_temperature
|
5600 K
around 5,800 K
|
gptkbp:composed_of
|
hydrogen and helium
|
gptkbp:contains
|
gptkb:star
|
gptkbp:controls
|
with 27 Herculis B
|
gptkbp:distance
|
29 light years
|
gptkbp:field
|
weak magnetic field
|
gptkbp:has_color
|
0.6
|
gptkbp:has_luminosity
|
about 1.5 times that of the Sun
moderate stellar wind
|
gptkbp:has_specialty
|
moderate UV emission
|
gptkbp:has_spectral_type
|
G5 V
strong spectral lines
|
gptkbp:has_team
|
-0.12 arcsec/yr
+0.15 arcsec/yr
|
gptkbp:has_variants
|
non-variable star
|
https://www.w3.org/2000/01/rdf-schema#label
|
27 Herculis A
|
gptkbp:is_approximately
|
45 light years away from Earth
|
gptkbp:is_known_for
|
HD 19445
|
gptkbp:is_part_of
|
gptkb:star
27 Herculis system
|
gptkbp:lighting
|
gptkb:27_Herculis_B
low X-ray emission
low infrared emission
|
gptkbp:located_in
|
constellation Hercules
|
gptkbp:mass
|
1.1 solar masses
approximately 1.1 solar masses
|
gptkbp:notable_inductees
|
planetary system formation
|
gptkbp:orbital_period
|
approximately 25 days
|
gptkbp:parallax
|
0.112 arcsec
|
gptkbp:scientific_classification
|
G5 V
|
gptkbp:size
|
gptkb:27_Herculis_B
|
gptkbp:speed
|
+15 km/s
|
gptkbp:surface
|
4.4 m/s²
|
gptkbp:type
|
gptkb:star
|