|
gptkbp:instance_of
|
gptkb:star
|
|
gptkbp:age
|
approximately 5 billion years
approximately 3 billion years
|
|
gptkbp:apparent_magnitude
|
5.5
+5.0
|
|
gptkbp:binary_status
|
gptkb:star
|
|
gptkbp:common_name
|
70 Oph
|
|
gptkbp:constellation
|
gptkb:Ophiuchus
|
|
gptkbp:contains_star
|
gptkb:star
|
|
gptkbp:coordinates
|
l= 15.5°, b= -25.0°
|
|
gptkbp:country
|
yes
at least 1
|
|
gptkbp:declination
|
-24° 22′ 36″
|
|
gptkbp:discovery_year
|
1830
1834
|
|
gptkbp:distance
|
16.6 light years
|
|
gptkbp:eccentricity
|
0.5
|
|
gptkbp:exhibition
|
gptkb:Henry_Draper_Catalogue
|
|
gptkbp:financial_stability
|
stable orbit
|
|
gptkbp:first_planet_discovery_year
|
gptkb:2018
|
|
gptkbp:has_bayer_designation
|
gptkb:Beta_Ophiuchi
|
|
gptkbp:has_color
|
+0.9
|
|
gptkbp:has_companion
|
gptkb:70_Ophiuchi_B
|
|
gptkbp:has_luminosity
|
approximately 5000 K
0.6 solar luminosities
|
|
gptkbp:has_mechanic
|
-0.12 arcseconds/year
-0.1 arcseconds/year
-0.25 arcseconds/year
+0.4 arcseconds/year
|
|
gptkbp:has_spectral_type
|
K0 V
|
|
gptkbp:has_title
|
100453
|
|
gptkbp:historical_significance
|
one of the closest binary stars
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
70 Ophiuchi
|
|
gptkbp:is_visible_from
|
visible to the naked eye
|
|
gptkbp:mass
|
0.8 M☉
0.7 R☉
|
|
gptkbp:metallicity
|
-0.2 dex
|
|
gptkbp:number
|
784
|
|
gptkbp:orbital_period
|
approximately 88 years
88 years
|
|
gptkbp:planet_name
|
gptkb:70_Ophiuchi_b
|
|
gptkbp:right_ascension
|
18h 16m 56.0s
|
|
gptkbp:rotation_period
|
approximately 30 days
|
|
gptkbp:speed
|
-20 km/s
|
|
gptkbp:system
|
5 billion years
|
|
gptkbp:type
|
gptkb:main-sequence_star
gptkb:star
|
|
gptkbp:zone
|
yes
|