|
gptkbp:instance_of
|
gptkb:star
|
|
gptkbp:age
|
approximately 1.5 billion years
approximately 5 billion years
|
|
gptkbp:apparent_magnitude
|
5.5
5.57
|
|
gptkbp:average_temperature
|
approximately 5,800 K
|
|
gptkbp:color
|
gptkb:orange
|
|
gptkbp:companion_distance
|
approximately 10,000 AU
|
|
gptkbp:companion_type
|
gptkb:Dwarves
|
|
gptkbp:constellation
|
gptkb:Serpens
|
|
gptkbp:contains_star
|
gptkb:none
|
|
gptkbp:coordinates
|
l= 30.0°, b= -10.0°
|
|
gptkbp:country
|
29 Serpentis b
29 Serpentis c
|
|
gptkbp:declination
|
+01° 36' 00''
|
|
gptkbp:discovery_year
|
gptkb:2009
|
|
gptkbp:distance
|
approximately 60 light years
|
|
gptkbp:distance_from_earth
|
approximately 60 light years
|
|
gptkbp:eccentricity
|
0.1
|
|
gptkbp:exhibition
|
yes
|
|
gptkbp:exoplanet_discovery_method
|
radial velocity
|
|
gptkbp:has_astrometric_binary
|
no
|
|
gptkbp:has_catalog_number
|
HR 8855
|
|
gptkbp:has_color
|
0.6
|
|
gptkbp:has_companion
|
29 Serpentis A
29 Serpentis B
|
|
gptkbp:has_henry_draper_designation
|
HD 220049
|
|
gptkbp:has_luminosity
|
approximately 10 times that of the Sun
approximately 1.5 solar luminosities
|
|
gptkbp:has_mechanic
|
-0.12 arcseconds/year
+0.05 arcseconds/year
|
|
gptkbp:has_radius
|
approximately 1.2 solar radii
approximately 11 solar radii
|
|
gptkbp:has_spectral_type
|
gptkb:K0_III
G5 V
|
|
gptkbp:has_spectroscopic_binary
|
no
|
|
gptkbp:has_title
|
gptkb:29_Serpentis
HIP 91734
|
|
gptkbp:has_variable_star_type
|
gptkb:none
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
29 Serpentis
|
|
gptkbp:is_in_double_star_catalog
|
yes
|
|
gptkbp:is_in_exoplanet_catalog
|
yes
|
|
gptkbp:is_in_star_database
|
yes
|
|
gptkbp:is_in_variable_star_catalog
|
no
|
|
gptkbp:is_part_of
|
gptkb:Milky_Way_Galaxy
|
|
gptkbp:is_visible_from
|
yes
|
|
gptkbp:located_in
|
constellation Serpens
|
|
gptkbp:mass
|
approximately 2.5 solar masses
approximately 1.1 solar masses
|
|
gptkbp:metallicity
|
solar metallicity
|
|
gptkbp:number
|
Gliese 1163
|
|
gptkbp:orbital_period
|
approximately 4.2 days
|
|
gptkbp:parallax
|
0.054 arcseconds
|
|
gptkbp:right_ascension
|
18h 36m 56.0s
|
|
gptkbp:rotation_period
|
approximately 25 days
|
|
gptkbp:semi_major_axis
|
0.055 AU
|
|
gptkbp:title
|
Bayer designation 29 Serpentis
|
|
gptkbp:type
|
gptkb:main-sequence_star
|