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Sirius

Sirius is the brightest star in the night sky, located in the southern constellation of Canis Major. Its name is derived from the Greek word Σείριος (Latin script: Seirios; lit. 'glowing' or 'scorching'). The star is designated α Canis Majoris, Latinized to Alpha Canis Majoris, and abbreviated α CMa or Alpha CMa. With a visual apparent magnitude of…

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Apparent magnitude (V)
−1.46 · 8.44
B−V colour index
+0.00 · −0.03
Constellation
Canis Major
Declination
−16° 42′ 58.02″ · −16° 43′ 06″
Evolutionary stage
Main sequence · White dwarf
Pronunciation
/ˈsɪriəs/

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Overview

Etymology

Observational history

Observation

Location

Stellar system

Cultural significance

Bibliography

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Map overview Semantic statistics

Sirius

Nodes320
Edges319
Triples495
Avg. degree1.99
Density0.00625
Components1

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Sirius

Top relations

related to Colour controversy · 51
Sirius → AD, Aldebaran, Alexandria, Almagest, Antares, Aratus, Aratus's, Arcturus, Around, Avienius, BC, Betelgeuse, Books VII, China, Chinese, Cicero, Claudius Ptolemy, De, Eta Carinae, Furthermore
related to Etymology · 46
Sirius → Alhabor, Ancient Greek, Arabic, Archaic, As Mrgavyadha, Astrolabe, BC, Behenian, Canis Majoris, Days, Egyptian, Heinrich Cornelius Agrippa, Hesiod's, IAU Catalog, In, In Geoffrey Chaucer's, In Sanskrit, In Scandinavia, International Astronomical Union, It
related to history · 42
Sirius → Aegean Sea, Ancient Egyptian, Ancient Greek, Anyone, As, As Sirius, BC, Cairo, Ceos, Coins, Dog, Egyptian, Egyptians, Greeks, Horus, If, Isis, Isis-Sopdet, It, Its
related to Iranian mythology and Zoroastrianism · 26
Sirius → Avesta, Avestan, Because, Beside, Canis Major, Chinese, Dendera, Ferdowsi, Hathor, In, In Iranian, Known, Middle, New Persian, Persia, Persian, Puppis, Satet, Several, Shahnameh
related to Observation · 26
Sirius → Along, April, Because, Betelgeuse, Canopus, Earth, From, From Earth, Ideally, July, Jupiter, March, Mars, Mercury, Northern Hemisphere, Observing, October, Procyon, Saint Petersburg, September
related to Modern significance · 24
Sirius → American, Australia, Brazil, CD Radio, Charles Lindbergh, Composer Karlheinz Stockhausen, First Fleet, HMAS Sirius, HMS Sirius, Lockheed Sirius, Macquarie University, Mato Grosso, Mitsubishi Motors, Mitsubishi Sirius, North American, November, Royal Navy, Seven, Sirius Satellite Radio, T-AFS-8
related to Distance · 22
Sirius → Astronomers, Bessel, Cape, Christiaan Huygens, Cosmotheoros, Earth, Good Hope, Henderson, In, It, Jacques Cassini, Lacaille's, Nevil Maskelyne, On, Paris, Piazzi, Scottish, South African, Sun, There
related to Star cluster membership · 20
Sirius → Alpha Coronae Borealis, Analyses, Beta Aurigae, Beta Crateris, Beta Eridani, Beta Serpentis, Ejnar Hertzsprung, Hyades, In, It, Pleiades, Sirius Supercluster, Sirius's, Sun, Sun's, The, The Ursa Major Group, This, Ursa Major Group, Ursa Major Moving Group
related to Dogon · 19
Sirius → According, All, April, Beek, Central West Africa, Dieterlein's, Dogon, Doubts, French, Griaule, In, Mali, Marcel Griaule, Noah Brosch, The Dogon, Though, Venus, Walter, West Africa
related to Discovery of Sirius B · 17
Sirius → Alvan Graham Clark, American, An, August, Dearborn Observatory, Friedrich Wilhelm Bessel, German, In, January, March, Observations, On, Since, Sirius B's, The, This, United States

Important terminology Word statistics

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Important terminology

star stars years system dog sun red sky two white around bright distance dwarf mass name canis known brightest also

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
SiriusApparent magnitude (V)−1.461.00infobox
SiriusApparent magnitude (V)8.441.00infobox
SiriusB−V colour index+0.001.00infobox
SiriusB−V colour index−0.031.00infobox
SiriusConstellationCanis Major1.00infobox
SiriusDeclination−16° 42′ 58.02″1.00infobox
SiriusDeclination−16° 43′ 06″1.00infobox
SiriusEvolutionary stageMain sequence1.00infobox
SiriusEvolutionary stageWhite dwarf1.00infobox
SiriusPronunciation/ˈsɪriəs/1.00infobox
SiriusRight ascension06h 45m 08.917s1.00infobox
SiriusRight ascension06h 45m 09.0s1.00infobox
SiriusSpectral typeA0mA1 Va1.00infobox
SiriusSpectral typeDA21.00infobox
SiriusU−B colour index−0.051.00infobox
SiriusU−B colour index−1.041.00infobox
Siriusis abrightest star in the night sky0.90text
Siriusis abinary star consisting of a main-sequence star of spectral type A0 or A10.90text
Siriusis acircumpolar star from latitudes south of 730.90text

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