Hubble Space Telescope Key Project

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:astronomical_research_project
gptkbp:collaboratesWith	gptkb:John_Tonry gptkb:Bradley_Madore gptkb:Jeremy_Mould gptkb:Laura_Ferrarese gptkb:Peter_Stetson gptkb:Robert_Kennicutt gptkb:Sebastian_Faber gptkb:Shoko_Sakai
gptkbp:contributedTo	cosmic distance scale calibration
gptkbp:endDate	2001
gptkbp:field	gptkb:astronomy gptkb:cosmology
gptkbp:goal	measure the Hubble constant
gptkbp:hasMethod	gptkb:Type_Ia_supernovae gptkb:Tully-Fisher_relation surface brightness fluctuations distance ladder fundamental plane method
gptkbp:instrument	gptkb:Hubble_Space_Telescope
gptkbp:measuredValue	Hubble constant = 72 ± 8 km/s/Mpc
gptkbp:method	Cepheid variable stars observation
gptkbp:notablePublication	2001
gptkbp:partOf	gptkb:Hubble_Space_Telescope_science_program
gptkbp:principalInvestigator	gptkb:Wendy_Freedman
gptkbp:publishedIn	gptkb:The_Astrophysical_Journal
gptkbp:resultedIn	precise measurement of the Hubble constant
gptkbp:startDate	1994
gptkbp:bfsParent	gptkb:Wendy_L._Freedman
gptkbp:bfsLayer	7
https://www.w3.org/2000/01/rdf-schema#label	Hubble Space Telescope Key Project