|
gptkbp:instance_of
|
gptkb:observatory
|
|
gptkbp:bfsLayer
|
7
|
|
gptkbp:bfsParent
|
gptkb:Hipparcos
|
|
gptkbp:analysis
|
statistical methods
|
|
gptkbp:application
|
stellar dynamics
|
|
gptkbp:capacity
|
over 2 million measurements
|
|
gptkbp:collaborations
|
international astronomers
|
|
gptkbp:collection
|
astrometric measurements
|
|
gptkbp:contributed_to
|
gptkb:Milky_Way
stellar classification
galactic structure
|
|
gptkbp:data_type
|
gptkb:Hipparcos_Catalogue
|
|
gptkbp:data_usage
|
galactic dynamics
astronomical databases
stellar evolution
stellar interactions
stellar distances
stellar kinematics
stellar brightness
stellar luminosities
stellar masses
|
|
gptkbp:designed_by
|
gptkb:spacecraft
|
|
gptkbp:elevation
|
approximately 600 km
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Hipparcos telescope
|
|
gptkbp:impact
|
gptkb:spacecraft
improved distance measurements
|
|
gptkbp:influenced
|
modern astronomy
stellar astrophysics
|
|
gptkbp:inspired
|
gptkb:future_space_missions
|
|
gptkbp:instrument
|
two-dimensional CCD
|
|
gptkbp:is_analyzed_in
|
stellar populations
|
|
gptkbp:is_explored_in
|
stellar environments
|
|
gptkbp:is_observed_in
|
over 118,000
|
|
gptkbp:launch_vehicle
|
gptkb:Ariane_4
|
|
gptkbp:launched
|
August 8, 1989
|
|
gptkbp:legacy
|
astrometric catalogues
|
|
gptkbp:map
|
stellar distributions
|
|
gptkbp:mission
|
astrometry
|
|
gptkbp:mission_duration
|
about 4 years
|
|
gptkbp:named_after
|
gptkb:Hipparchus
|
|
gptkbp:notable_work
|
stellar motions
|
|
gptkbp:objective
|
measure stellar positions
|
|
gptkbp:operated_by
|
gptkb:ESA
|
|
gptkbp:operates_in
|
gptkb:1993
|
|
gptkbp:provides_information_on
|
gptkb:planet
astrophysics
parallax measurements
space agencies
|
|
gptkbp:released
|
gptkb:1997
|
|
gptkbp:research
|
photometry
star formation
1989 to 1993
|
|
gptkbp:resolution
|
0.001 arcseconds
|
|
gptkbp:successor
|
Gaia satellite
|