About: 14 Persei

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14 Persei is a single star in the northern constellation Perseus, located roughly 1,900 light years away from the Sun. It is visible to the naked eye as a faint, yellow-hued star with an apparent visual magnitude is 5.43. The object is slowly moving closer to the Earth with a heliocentric radial velocity of −1.2 km/s.

Attributes	Values
rdf:type	Thing place dbo:Location schema:Place celestial body yago:CelestialBody109239740 yago:NaturalObject100019128 yago:Object100002684 yago:PhysicalEntity100001930 yago:WikicatG-typeSupergiants star yago:Star109444100 yago:Supergiant109450708 yago:Whole100003553 yago:WikicatFlamsteedObjects
rdfs:label	14 Persei (en) 14 Persei (sv) 大陵增十四 (zh)
rdfs:comment	14 Persei, som är stjärnans Flamsteed-beteckning, är en dubbelstjärna belägen i den västra delen av stjärnbilden, Perseus. Den har en skenbar magnitud på ca 5,43 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallax enligt Gaia Data Release 2 på ca 1,7 mas, beräknas den befinna sig på ett avstånd på ca 1 900 ljusår (ca 570 parsek) från solen. Den rör sig närmare solen med en heliocentrisk radialhastighet av ca –1,2 km/s. (sv) 英仙座14，又名BD+43 566，HD 16901、SAO 38289、HR 800，是英仙座的一颗恒星，视星等为5.43，位于銀經143.31，銀緯-14.07，其B1900.0坐标为赤經2h 37m 34.2s，赤緯+43° -14.07′ 19″。 (zh) 14 Persei is a single star in the northern constellation Perseus, located roughly 1,900 light years away from the Sun. It is visible to the naked eye as a faint, yellow-hued star with an apparent visual magnitude is 5.43. The object is slowly moving closer to the Earth with a heliocentric radial velocity of −1.2 km/s. (en)
foaf:name	14 Persei (en)
foaf:depiction
dct:subject	Bright Star Catalogue objects Durchmusterung objects Flamsteed objects G-type supergiants Henry Draper Catalogue objects Hipparcos objects Perseus (constellation)
Wikipage page ID	41512851 (xsd:integer)
Wikipage revision ID	1079511951 (xsd:integer)
Link from a Wikipage to another Wikipage	Perseus (constellation) Bright Star Catalogue objects Durchmusterung objects Flamsteed objects G-type supergiants Henry Draper Catalogue objects Hipparcos objects Perseus (constellation) Constellation Photosphere Yellow supergiant Effective temperature Light year Luminosity Star Stellar spectrum Apparent visual magnitude Radial velocity Cepheid variable Giant star Cepheid instability strip Sun's radius Absorption line Projected rotational velocity Spectral classification
sameAs	14 Persei 14 Persei 14 Persei 14 Persei 14 Persei 14 Persei
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_image dbt:Starbox_observe dbt:Starbox_reference dbt:Stars_of_Perseus dbt:Val dbt:DEC dbt:Location_mark dbt:Odlist dbt:RA
thumbnail	wiki-commons:Special:FilePath/Perseus_constellation_map.svg?width=300
absmag v	−1.57 (en)
age myr	162 (xsd:integer)
appmag v	5.430000 (xsd:double)
b-v	+0.86 (en)
class	G0Ib (en)
constell	Perseus (constellation)
epoch	J2000 (en)
gravity	1.420000 (xsd:double)
luminosity	372 (xsd:integer)
mass	4.030000 (xsd:double)
metal fe	0 (xsd:integer)
p error	0.098900 (xsd:double)
parallax	1.746600 (xsd:double)
prop mo dec	−6.682 (en)
prop mo ra	2.902000 (xsd:double)
rotational velocity	8.700000 (xsd:double)
temperature	5624 (xsd:integer)
has abstract	14 Persei is a single star in the northern constellation Perseus, located roughly 1,900 light years away from the Sun. It is visible to the naked eye as a faint, yellow-hued star with an apparent visual magnitude is 5.43. The object is slowly moving closer to the Earth with a heliocentric radial velocity of −1.2 km/s. The spectral classification of 14 Persei is as a G0 yellow supergiant, but in other respects it appears to be a giant star. The class has been given as G0Ib-II Ca1 CH-1 or G0Ib-IIa Ca1, where the abundance suffixes indicate stronger Calcium lines than expected for its class, or weaker hydrocarbons. Other analyses of the spectrum give a class of G0Ib. Stellar models of 14 Persei yield an estimated mass four times that of the Sun and an age of 162 million years. It has expanded to 57 times the Sun's radius and has a projected rotational velocity of 8.7 km/s. The star is radiating 372 times as much luminosity compared to the Sun from its enlarged photosphere at an effective temperature of 5,624 K. 14 Persei has been calculated to lie within the Cepheid instability strip although it is not considered to be variable. Uncertainty in the absolute magnitude means that the star may actually lie near the instability strip but not on it. Small periodic radial velocity variations are seen, but an order of magnitude or more smaller than for Cepheid variables and with longer periods than would be expected for pulsations. The cause of the radial velocity changes and the difference between variable and non-variable stars within the instability strip is unknown. (en)

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