|
gptkbp:instance_of
|
gptkb:star
|
|
gptkbp:age
|
approximately 1.5 billion years
nan
|
|
gptkbp:apparent_magnitude
|
4.25
|
|
gptkbp:area
|
approximately 10 solar radii
about 40 times that of the Sun
|
|
gptkbp:average_temperature
|
approximately 4,600 K
|
|
gptkbp:composed_of
|
gptkb:battle
|
|
gptkbp:constellation
|
gptkb:beer
|
|
gptkbp:contains
|
gptkb:battle
|
|
gptkbp:controls
|
gptkb:battle
nan
|
|
gptkbp:country
|
no known planets
no known exoplanets
|
|
gptkbp:cultural_heritage
|
23 Hydrae
|
|
gptkbp:data_type
|
gptkb:battle
|
|
gptkbp:declination
|
gptkb:battle
|
|
gptkbp:depicted_in
|
gptkb:battle
nan
|
|
gptkbp:distance
|
gptkb:battle
approximately 130 light years
5.5 mag
|
|
gptkbp:dynasty
|
gptkb:battle
|
|
gptkbp:eccentricity
|
gptkb:battle
|
|
gptkbp:exhibition
|
the Hipparcos catalog
ADS 6464
GC 11882
HR 3730
SAO 143198
TYC 6350-00700-1
|
|
gptkbp:geographical_feature
|
gptkb:battle
|
|
gptkbp:gps
|
gptkb:battle
|
|
gptkbp:has_color
|
+1.06
|
|
gptkbp:has_luminosity
|
gptkb:battle
about 50 times that of the Sun
about 400 times that of the Sun
|
|
gptkbp:has_member
|
no known companions
|
|
gptkbp:has_setting
|
HIP 46056
|
|
gptkbp:has_spectral_type
|
gptkb:K3_III
gptkb:K0_III
|
|
gptkbp:has_team
|
-0.020 mas/yr
-0.021 arcseconds/year
+0.005 arcseconds/year
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Tau Hydrae
|
|
gptkbp:includes
|
gptkb:Bright_Star_Catalog
2 MASS catalog
|
|
gptkbp:insignia
|
gptkb:battle
|
|
gptkbp:instrumentation
|
gptkb:battle
|
|
gptkbp:is
|
nan
|
|
gptkbp:is_a_source_of
|
stellar wind
|
|
gptkbp:is_approximately
|
130 light years away
|
|
gptkbp:is_associated_with
|
the Galactic Halo
|
|
gptkbp:is_found_in
|
nan
|
|
gptkbp:is_known_for
|
gptkb:HD_81040
|
|
gptkbp:is_observed_in
|
gptkb:the_Hubble_Space_Telescope
|
|
gptkbp:is_often_associated_with
|
Tau Hya
|
|
gptkbp:is_part_of
|
gptkb:Hertzsprung–_Russell_diagram
gptkb:NASA_Exoplanet_Archive
gptkb:IC_2391_moving_group
gptkb:battle
gptkb:Milky_Way_Galaxy
Galactic disk
solar neighborhood
Simbad database
Bayer designation system
Tycho catalog
European Space Agency's Gaia mission
|
|
gptkbp:is_used_in
|
astrophysical research
|
|
gptkbp:leadership
|
gptkb:HD_81040
|
|
gptkbp:located_in
|
the constellation Hydra
|
|
gptkbp:marketed_as
|
gptkb:Tau_Hydrae
|
|
gptkbp:mass
|
about 2.5 solar masses
about 2.5 times that of the Sun
nan
|
|
gptkbp:mechanics
|
gptkb:battle
|
|
gptkbp:members
|
gptkb:Milky_Way_galaxy
|
|
gptkbp:metallicity
|
approximately solar metallicity
|
|
gptkbp:notable_inductees
|
stellar population studies
|
|
gptkbp:parallax
|
gptkb:battle
|
|
gptkbp:photography
|
gptkb:battle
|
|
gptkbp:right_ascension
|
-0.020 mas/yr
|
|
gptkbp:scientific_classification
|
gptkb:battle
a red giant star
|
|
gptkbp:semi_major_axis
|
gptkb:battle
|
|
gptkbp:speed
|
about 2 km/s
|
|
gptkbp:subject
|
gptkb:planet
stellar population synthesis
stellar classification studies
stellar dynamics research
|
|
gptkbp:subsidiary
|
gptkb:battle
|
|
gptkbp:targets
|
stellar evolution studies
spectroscopic studies
|
|
gptkbp:universe
|
nan
|
|
gptkbp:year_created
|
gptkb:unknown
|