About: WD 1337+705

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WD 1337+705 is a star in the constellation Ursa Minor. Shining with an apparent magnitude of 12.8, it is white dwarf 0.59 times as massive as the Sun. It is 86.5 light-years distant from Earth. It has 3% of the Sun's luminosity. In 1997, Jay Holberg and colleagues discovered magnesium in its spectrum, which suggests that it has some low mass companion or accretion of material happening as the star's temperature is not hot enough for its intrinsic emission. Despite this, no direct evidence for a circumstellar disc, such as an infrared excess, has come to light.

Attributes	Values
rdf:type	Thing place dbo:Location schema:Place celestial body star
rdfs:label	WD 1337+705 (fr) WD 1337+705 (en)
rdfs:comment	WD 1337+705 is a star in the constellation Ursa Minor. Shining with an apparent magnitude of 12.8, it is white dwarf 0.59 times as massive as the Sun. It is 86.5 light-years distant from Earth. It has 3% of the Sun's luminosity. In 1997, Jay Holberg and colleagues discovered magnesium in its spectrum, which suggests that it has some low mass companion or accretion of material happening as the star's temperature is not hot enough for its intrinsic emission. Despite this, no direct evidence for a circumstellar disc, such as an infrared excess, has come to light. (en) WD 1337+705 est une naine blanche de la constellation de la Petite Ourse. D'une magnitude apparente de 12,8, elle est distante de ∼86,5 a.l. (∼26,5 pc) de la Terre. Sa masse vaut 0,59 fois celle du Soleil mais sa luminosité n'est que de 3% celle du Soleil. (fr)
foaf:name	WD 1337+705 (en)
dcterms:subject	Hipparcos objects Ursa Minor (constellation) White dwarfs
Wikipage page ID	46823003 (xsd:integer)
Wikipage revision ID	1068151840 (xsd:integer)
Link from a Wikipage to another Wikipage	Ursa Minor Hipparcos objects Ursa Minor (constellation) White dwarfs Apparent magnitude White dwarf
sameAs	WD 1337+705 WD 1337+705 WD 1337+705 WD 1337+705 WD 1337+705 WD 1337+705
dbp:wikiPageUsesTemplate	dbt:Reflist dbt:Short_description dbt:Starbox_astrometry dbt:Starbox_begin dbt:Starbox_catalog dbt:Starbox_character dbt:Starbox_detail dbt:Starbox_end dbt:Starbox_observe dbt:Starbox_reference dbt:DEC dbt:RA dbt:Ursa_Minor dbt:Whitedwarf-star-stub
absmag v	10.560000 (xsd:double)
appmag v	12.773000 (xsd:double)
class	DA2.4 (en)
constell	Ursa Minor
epoch	J2000 (en)
luminosity	0.030000 (xsd:double)
mass	0.590000 (xsd:double)
p error	0.042200 (xsd:double)
parallax	37.708300 (xsd:double)
prop mo dec	−24.608 ± 0.068 (en)
prop mo ra	−402.093 ± 0.078 (en)
temperature	21290.0 (kelvin)
has abstract	WD 1337+705 est une naine blanche de la constellation de la Petite Ourse. D'une magnitude apparente de 12,8, elle est distante de ∼86,5 a.l. (∼26,5 pc) de la Terre. Sa masse vaut 0,59 fois celle du Soleil mais sa luminosité n'est que de 3% celle du Soleil. En 1997, Jay Holberg et ses associés ont détecté du magnésium dans son spectre, ce qui suggère qu'elle possède un compagnon de faible masse ou un disque d'accrétion, étant donné que la température de l'astre n'est pas suffisante pour que le magnésium soit issu d'une émission intrinsèque. Cependant, il n'existe à ce jour aucune évidence indiquant la présence d'un disque circumstellaire, comme par exemple un excès d'émission dans l'infrarouge. (fr) WD 1337+705 is a star in the constellation Ursa Minor. Shining with an apparent magnitude of 12.8, it is white dwarf 0.59 times as massive as the Sun. It is 86.5 light-years distant from Earth. It has 3% of the Sun's luminosity. In 1997, Jay Holberg and colleagues discovered magnesium in its spectrum, which suggests that it has some low mass companion or accretion of material happening as the star's temperature is not hot enough for its intrinsic emission. Despite this, no direct evidence for a circumstellar disc, such as an infrared excess, has come to light. (en)
gold:hypernym	Star
prov:wasDerivedFrom	wikipedia-en:WD_1337+705?oldid=1068151840&ns=0
page length (characters) of wiki page	3418 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:WD_1337+705
is Link from a Wikipage to another Wikipage of	Ursa Minor List of stars in Ursa Minor
is foaf:primaryTopic of	wikipedia-en:WD_1337+705

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