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gptkbp:instance_of
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gptkb:galaxy
gptkb:astronomy
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gptkbp:analysis
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statistical methods
graphical representations
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gptkbp:application
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galactic structure studies
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gptkbp:collaboration
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ESA and NASA
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gptkbp:community_outreach
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gptkb:educational_programs
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gptkbp:contains_star
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118218
118,218
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gptkbp:coverage
|
entire sky
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gptkbp:created_by
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gptkb:European_Space_Agency
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gptkbp:data_collaboration_tools
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shared databases
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gptkbp:data_format_standard
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HIP catalog
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gptkbp:data_integration_tools
|
software for analysis
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gptkbp:data_interpretation_tools
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gptkb:Data_Analytics
|
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gptkbp:data_set_size
|
over 2 million measurements
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gptkbp:data_type
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parallax measurements
astrometric data
catalog of stars
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gptkbp:data_usage
|
stellar classification
stellar evolution studies
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gptkbp:discovery_year
|
gptkb:1997
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gptkbp:end_date
|
1993-03-15
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gptkbp:field_of_study
|
astrophysics
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gptkbp:has_limitations
|
limited to bright stars
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gptkbp:historical_interpretation
|
complex models
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|
https://www.w3.org/2000/01/rdf-schema#label
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Hipparcos
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gptkbp:impact
|
enhanced understanding of stellar motions
improved stellar distance measurements
significant in stellar dynamics
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gptkbp:instrument
|
gptkb:Hipparcos_telescope
|
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gptkbp:is_considered
|
cross-referencing with other catalogs
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gptkbp:is_updated_by
|
ongoing analysis
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gptkbp:launch_date
|
1989-08-08
August 8, 1989
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gptkbp:launch_vehicle
|
gptkb:Ariane_4
|
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gptkbp:legacy
|
foundation for future astrometric missions
|
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gptkbp:location
|
L2 Lagrange point
|
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gptkbp:mission
|
March 15, 1993
|
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gptkbp:mission_duration
|
3 years
about 3 years
|
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gptkbp:mission_type
|
gptkb:space_mission
|
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gptkbp:modern_relevance
|
current astrophysical research
|
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gptkbp:notable_feature
|
high precision measurements
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gptkbp:notable_work
|
discovery of binary stars
|
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gptkbp:objective
|
astrometry
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gptkbp:observations_made
|
over 118,000 stars
|
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gptkbp:operated_by
|
gptkb:European_Space_Agency
|
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gptkbp:orbital_altitude
|
about 10,000 km
|
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gptkbp:performance
|
1 milliarcsecond
|
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gptkbp:product_quality
|
high accuracy
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gptkbp:provides_information_on
|
conferences and workshops
international research teams
publicly available
influenced future missions
various astronomical surveys
with ground-based observations
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gptkbp:publications
|
numerous peer-reviewed articles
|
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gptkbp:release_frequency
|
every few years
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gptkbp:released
|
gptkb:1997
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gptkbp:research
|
astrometry
photometry
|
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gptkbp:research_areas
|
stellar astrophysics
|
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gptkbp:significance
|
first space mission dedicated to astrometry
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gptkbp:successor
|
gptkb:Gaia
|
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gptkbp:bfsParent
|
gptkb:Iota_Ursae_Minoris
|
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gptkbp:bfsLayer
|
6
|