|
gptkbp:instance_of
|
gptkb:star
|
|
gptkbp:age
|
gptkb:the_Sun
approximately 1 billion years
|
|
gptkbp:apparent_magnitude
|
4.5
4.96
|
|
gptkbp:average_temperature
|
around 3,800 K
around 4,500 K
|
|
gptkbp:categories
|
Rho Hya
|
|
gptkbp:color
|
gptkb:red
|
|
gptkbp:constellation
|
gptkb:Hydra
|
|
gptkbp:contains_star
|
nan
|
|
gptkbp:coordinates
|
-30.0 degrees
200.0 degrees
|
|
gptkbp:country
|
nan
|
|
gptkbp:discovered_by
|
ancient times
|
|
gptkbp:distance
|
approximately 45 light years
5.5 mag
|
|
gptkbp:has_bayer_designation
|
gptkb:Rho_Hydrae
|
|
gptkbp:has_luminosity
|
about 1,000 times that of the Sun
about 70 times that of the Sun
|
|
gptkbp:has_mechanic
|
-0.020 mas/yr
0.12 arcseconds/year in right ascension
-0.15 arcseconds/year in declination
|
|
gptkbp:has_radius
|
about 50 times that of the Sun
about 12 times that of the Sun
|
|
gptkbp:has_spectral_type
|
gptkb:K3_III
gptkb:M3_III
K giant stars
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Rho Hydrae
|
|
gptkbp:is_a_member_of
|
gptkb:the_Milky_Way_galaxy
|
|
gptkbp:is_approximately
|
70 light years away
|
|
gptkbp:is_included_in_the_hipparcos_catalog
|
nan
|
|
gptkbp:is_located_in
|
the constellation Hydra
|
|
gptkbp:is_located_in_the_southern_hemisphere
|
nan
|
|
gptkbp:is_part_of
|
gptkb:Hertzsprung–_Russell_diagram
|
|
gptkbp:is_part_of_the_spectral_sequence
|
gptkb:K3
|
|
gptkbp:is_studied_in
|
stellar evolution research
|
|
gptkbp:is_used_in_astronomy_for
|
stellar classification studies
|
|
gptkbp:is_visible_from
|
visible to the naked eye
nan
|
|
gptkbp:known_as
|
HD 84737
|
|
gptkbp:mass
|
approximately 2.5 solar masses
nan
|
|
gptkbp:metallicity
|
[ Fe/ H] = -0.2
|
|
gptkbp:notable_galaxies
|
nan
|
|
gptkbp:number
|
HD 84737
HR 3900
|
|
gptkbp:right_ascension
|
-0.020 mas/yr
|
|
gptkbp:scientific_classification
|
a K-type star
|
|
gptkbp:speed
|
-10 km/s
less than 2 km/s
|
|
gptkbp:system
|
nan
|
|
gptkbp:targets
|
exoplanet searches
|
|
gptkbp:type
|
red giant
|