Matches in DBpedia 2014 for { <http://dbpedia.org/resource/Absolute_magnitude> ?p ?o. }
Showing items 1 to 40 of
40
with 100 items per page.
- Absolute_magnitude abstract "Absolute magnitude is the measure of a celestial object's intrinsic brightness. It is the hypothetical apparent magnitude of an object at a standard luminosity distance of exactly 10.0 parsecs or about 32.6 light years from the observer, assuming no astronomical extinction of starlight. This allows the true energy output of astronomical objects to be compared without regard to their variable distances. As with all astronomical magnitudes, the absolute magnitude can be specified for different wavelength intervals; for stars the most commonly quoted absolute magnitude is the absolute visual magnitude, which is the absolute magnitude in the visual (V) band of the UBV system. Also commonly used is the absolute bolometric magnitude, which is the total luminosity expressed in magnitude units; it takes into account energy radiated at all wavelengths, whether observed or not.The absolute magnitude uses the same conventions as the visual magnitude: brighter objects have smaller magnitudes, and 5 magnitudes corresponds exactly to a factor of 100, so a factor of 100.4 (≈2.512) ratio of brightness corresponds to a difference of 1.0 in magnitude. The Milky Way, for example, has an absolute magnitude of about −20.5, so a quasar with an absolute magnitude of −25.5 is 100 times brighter than our galaxy. If this particular quasar and our galaxy could be seen side by side at the same distance, the quasar would be 5 magnitudes (or 100 times) brighter than our galaxy. Similarly, Canopus has an absolute visual magnitude of about -5.5, while Ross 248 has an absolute visual magnitude of +14.8, for a difference of slightly more than 20 magnitudes, so if the two stars were at the same distance, Canopus would be seen as about 20 magnitudes brighter; stated another way, Canopus gives off slightly more than 100 million (108) times more visual power than Ross 248.".
- Absolute_magnitude wikiPageExternalLink costanti.html.
- Absolute_magnitude wikiPageExternalLink magnitudes.html.
- Absolute_magnitude wikiPageExternalLink h.html.
- Absolute_magnitude wikiPageExternalLink sim-fid.pl.
- Absolute_magnitude wikiPageExternalLink s4.htm.
- Absolute_magnitude wikiPageExternalLink www.iau.org.
- Absolute_magnitude wikiPageExternalLink Sizes.html.
- Absolute_magnitude wikiPageID "1963".
- Absolute_magnitude wikiPageRevisionID "602861698".
- Absolute_magnitude hasPhotoCollection Absolute_magnitude.
- Absolute_magnitude subject Category:Observational_astronomy.
- Absolute_magnitude comment "Absolute magnitude is the measure of a celestial object's intrinsic brightness. It is the hypothetical apparent magnitude of an object at a standard luminosity distance of exactly 10.0 parsecs or about 32.6 light years from the observer, assuming no astronomical extinction of starlight. This allows the true energy output of astronomical objects to be compared without regard to their variable distances.".
- Absolute_magnitude label "Absolute helderheid".
- Absolute_magnitude label "Absolute magnitude".
- Absolute_magnitude label "Absolutna wielkość gwiazdowa".
- Absolute_magnitude label "Magnitud absoluta".
- Absolute_magnitude label "Magnitude absolue".
- Absolute_magnitude label "Magnitude absoluta".
- Absolute_magnitude label "Magnitudine assoluta".
- Absolute_magnitude label "Абсолютная звёздная величина".
- Absolute_magnitude label "قدر مطلق".
- Absolute_magnitude label "絕對星等".
- Absolute_magnitude label "絶対等級".
- Absolute_magnitude sameAs Absolutní_hvězdná_velikost.
- Absolute_magnitude sameAs Απόλυτο_μέγεθος.
- Absolute_magnitude sameAs Magnitud_absoluta.
- Absolute_magnitude sameAs Magnitude_absolue.
- Absolute_magnitude sameAs Magnitudo_mutlak.
- Absolute_magnitude sameAs Magnitudine_assoluta.
- Absolute_magnitude sameAs 絶対等級.
- Absolute_magnitude sameAs 절대_등급.
- Absolute_magnitude sameAs Absolute_helderheid.
- Absolute_magnitude sameAs Absolutna_wielkość_gwiazdowa.
- Absolute_magnitude sameAs Magnitude_absoluta.
- Absolute_magnitude sameAs m.0vnn.
- Absolute_magnitude sameAs Q159653.
- Absolute_magnitude sameAs Q159653.
- Absolute_magnitude wasDerivedFrom Absolute_magnitude?oldid=602861698.
- Absolute_magnitude isPrimaryTopicOf Absolute_magnitude.