Statements (19)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:nebula
|
gptkbp:apparent_magnitude |
maximum magnitude of about -19.3
|
gptkbp:associated_with |
dark energy research
|
gptkbp:discovered_by |
gptkb:Robert_Kirshner
|
gptkbp:distance |
approximately 22 million light-years from Earth
|
gptkbp:has_spectral_type |
hydrogen-poor spectrum
|
gptkbp:hosts |
gptkb:NGC_4536
|
https://www.w3.org/2000/01/rdf-schema#label |
SN 1999 E
|
gptkbp:is_essential_for |
used to measure cosmic distances
|
gptkbp:length |
approximately 1999-01-21
|
gptkbp:lighting |
declining light curve
standard light curve for Type Ia supernova |
gptkbp:location |
gptkb:Virgo_constellation
|
gptkbp:redshift |
0.0055
|
gptkbp:research |
observed by multiple telescopes
|
gptkbp:type |
gptkb:Type_Ia_supernova
|
gptkbp:year_created |
1999-01-21
|
gptkbp:bfsParent |
gptkb:NGC_891
|
gptkbp:bfsLayer |
5
|