Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:nebula
|
| gptkbp:bfsLayer |
5
|
| gptkbp:bfsParent |
gptkb:NGC_1300
gptkb:NGC_891 gptkb:NGC_1808 gptkb:NGC_4565 gptkb:SMC_9 gptkb:NGC_4559 gptkb:NGC_3077 gptkb:NGC_6685 |
| gptkbp:apparent_magnitude |
approximately 17.5
|
| gptkbp:conservation_efforts |
remains of a white dwarf star
|
| gptkbp:discovered_by |
gptkb:Hubble_Space_Telescope
|
| gptkbp:distance |
approximately 20 million light-years
|
| gptkbp:has_luminosity |
about 5 billion times that of the Sun
|
| gptkbp:has_spectral_type |
Type Ia spectrum
|
| gptkbp:hosts |
gptkb:NGC_2841
|
| https://www.w3.org/2000/01/rdf-schema#label |
SN 2001 B
|
| gptkbp:is_observed_in |
various ground-based telescopes
|
| gptkbp:length |
around 2001
|
| gptkbp:lighting |
standard candle
declined after peak brightness |
| gptkbp:located_in |
galaxy NGC 2841
|
| gptkbp:redshift |
0.0023
|
| gptkbp:research |
used to study cosmic expansion
|
| gptkbp:type |
gptkb:Type_Ia_supernova
|
| gptkbp:year_created |
gptkb:2001
|