About: 10 Serpentis

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10 Serpentis is a single, white-hued star in Serpens Caput, the western section of the equatorial constellation of Serpens. It is faintly visible to the naked eye with an apparent visual magnitude of 5.15. Located around 129 ly (39.7 pc) distant, it is moving closer to the Sun with a heliocentric radial velocity of −10 km/s and will make its closest approach in around 983,000 years at a separation of about 112 ly (34.2 pc).

Attributes	Values
rdf:type	Thing place dbo:Location schema:Place celestial body star
rdfs:label	10 Serpentis (en) 10 Serpentis (sv)
rdfs:comment	10 Serpentis, som är stjärnans Flamsteed-beteckning, är en ensam stjärna i den sydvästra delen av stjärnbilden Ormen. Den har en skenbar magnitud på ca 5,15 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 13,6 mas, beräknas den befinna sig på ett avstånd på ca 130 ljusår (ca 40 parsek) från solen. Den rör sig närmare solen med en heliocentrisk radialhastighet av ca -10 km/s och beräknas komma så nära som 112 ljusår om ca 983 000 år. (sv) 10 Serpentis is a single, white-hued star in Serpens Caput, the western section of the equatorial constellation of Serpens. It is faintly visible to the naked eye with an apparent visual magnitude of 5.15. Located around 129 ly (39.7 pc) distant, it is moving closer to the Sun with a heliocentric radial velocity of −10 km/s and will make its closest approach in around 983,000 years at a separation of about 112 ly (34.2 pc). (en)
foaf:name	10 Serpentis (en)
dct:subject	A-type giants Bright Star Catalogue objects Durchmusterung objects Flamsteed objects Henry Draper Catalogue objects Hipparcos objects Serpens (constellation)
Wikipage page ID	43339202 (xsd:integer)
Wikipage revision ID	1079518362 (xsd:integer)
Link from a Wikipage to another Wikipage	Hydrogen Stellar classification A-type giants Bright Star Catalogue objects Durchmusterung objects Flamsteed objects Henry Draper Catalogue objects Hipparcos objects Serpens (constellation) Constellation Photosphere Effective temperature Equatorial bulge Star Stellar evolution Apparent visual magnitude Oblate spheroid Radial velocity Serpens Mass of the Sun Subgiant star Sun's luminosity Projected rotational velocity Red giant star
sameAs	10 Serpentis 10 Serpentis 10 Serpentis 10 Serpentis 10 Serpentis
dbp:wikiPageUsesTemplate	dbt:Convert 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:Stars_of_Serpens dbt:Val dbt:DEC dbt:Odlist dbt:RA
absmag v	2.150000 (xsd:double)
age myr	424 (xsd:integer)
appmag v	5.150000 (xsd:double)
class	A6 III or A7 IV (en)
constell	Serpens
epoch	J2000 (en)
mass	1.640000 (xsd:double)
p error	0.310000 (xsd:double)
parallax	25.160000 (xsd:double)
prop mo dec	−34.31 (en)
prop mo ra	−85.35 (en)
rotational velocity	110 (xsd:integer)
has abstract	10 Serpentis is a single, white-hued star in Serpens Caput, the western section of the equatorial constellation of Serpens. It is faintly visible to the naked eye with an apparent visual magnitude of 5.15. Located around 129 ly (39.7 pc) distant, it is moving closer to the Sun with a heliocentric radial velocity of −10 km/s and will make its closest approach in around 983,000 years at a separation of about 112 ly (34.2 pc). Abt and Morrell (1995) gave this star a stellar classification of A6 III, matching an evolved red giant star that has used up its core hydrogen. In contrast, Houk and Swift (1999) classed it A7 IV, which is more in line with an evolving subgiant star that is on its way to becoming a giant. It has a high rate of spin with a projected rotational velocity of 115 km/s, giving it an oblate shape with an equatorial bulge that is an estimated 7% larger than the polar radius. The star is about 424 million years old with 1.64 times the mass of the Sun and is radiating 12 times the Sun's luminosity from its photosphere at an effective temperature of roughly 7,872 K. (en) 10 Serpentis, som är stjärnans Flamsteed-beteckning, är en ensam stjärna i den sydvästra delen av stjärnbilden Ormen. Den har en skenbar magnitud på ca 5,15 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 13,6 mas, beräknas den befinna sig på ett avstånd på ca 130 ljusår (ca 40 parsek) från solen. Den rör sig närmare solen med en heliocentrisk radialhastighet av ca -10 km/s och beräknas komma så nära som 112 ljusår om ca 983 000 år. (sv)
gold:hypernym	Star
prov:wasDerivedFrom	wikipedia-en:10_Serpentis?oldid=1079518362&ns=0
page length (characters) of wiki page	6261 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:10_Serpentis
is Link from a Wikipage to another Wikipage of	Chinese star names Table of stars with Flamsteed designations List of stars in Serpens Serpens in Chinese astronomy
is foaf:primaryTopic of	wikipedia-en:10_Serpentis

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