About: HD 203842

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HD 203842 (HR 8191) is a solitary star in the constellation Equuleus. With an apparent magnitude of 6.32, it's barely visible to the naked eye under ideal conditions. The star is located 327 light-years (100 parsecs) based on parallax, but is drifting closer with a heliocentric radial velocity of −33 km/s. HD 203842 is part of the Hyades Stream, which is not related to the Hyades Cluster.

Attributes	Values
rdf:type	Thing place dbo:Location schema:Place celestial body yago:Animal100015388 yago:Giant101323781 yago:LivingThing100004258 yago:Object100002684 yago:Organism100004475 yago:PhysicalEntity100001930 yago:WikicatHRObjects yago:WikicatHenryDraperCatalogueObjects star yago:Whole100003553 yago:WikicatF-typeGiants
rdfs:label	HD 203842 (en) HD 203842 (sv) HD 203842 (zh)
rdfs:comment	HD 203842 är en ensam stjärna belägen i den norra delen av stjärnbilden Lilla hästen. Den har en skenbar magnitud av ca 6,33 och kräver åtminstone en handkikare för att kunna observeras. Baserat på parallax enligt Gaia Data Release 2 på ca 10,0 mas, beräknas den befinna sig på ett avstånd på ca 327 ljusår (ca 100 parsek) från solen. Den rör sig närmare solen med en heliocentrisk radialhastighet på ca -33 km/s. (sv) HD 203842，又名BD+09 4800，SAO 126774、HR 8191，是一颗恒星，视星等为6.35，位于銀經62.3，銀緯-27.5，其B1900.0坐标为赤經21h 19m 31.6s，赤緯+9° -27.5′ 38″。 (zh) HD 203842 (HR 8191) is a solitary star in the constellation Equuleus. With an apparent magnitude of 6.32, it's barely visible to the naked eye under ideal conditions. The star is located 327 light-years (100 parsecs) based on parallax, but is drifting closer with a heliocentric radial velocity of −33 km/s. HD 203842 is part of the Hyades Stream, which is not related to the Hyades Cluster. (en)
foaf:name	HD203842 (en)
dcterms:subject	Bright Star Catalogue objects Durchmusterung objects F-type giants Gould objects Henry Draper Catalogue objects Hipparcos objects Hyades Stream Equuleus
Wikipage page ID	36791442 (xsd:integer)
Wikipage revision ID	1110487344 (xsd:integer)
Link from a Wikipage to another Wikipage	Bright Star Catalogue objects Durchmusterung objects F-type giants Gould objects Henry Draper Catalogue objects Hipparcos objects Hyades Stream Constellation Naked eye Effective temperature Apparent magnitude Henry Draper Catalogue Solar radius Equuleus Equuleus Hyades Stream Solar luminosity Kelvin Sun Solar mass Giant star Projected rotational velocity
sameAs	HD 203842 HD 203842 HD 203842 HD 203842 HD 203842 HD 203842
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:Val dbt:± dbt:DEC dbt:Odlist dbt:RA dbt:Stars_of_Equuleus
absmag v	1.210000 (xsd:double)
age gyr	1.240000 (xsd:double)
b-v	+0.47 (en)
class	F5 III (en)
constell	Equuleus
epoch	J2000 (en)
luminosity	30.500000 (xsd:double)
mass	2 (xsd:integer)
metal fe	+0.19 (en)
p error	0.064600 (xsd:double)
parallax	9.966200 (xsd:double)
prop mo dec	+20.436 (en)
prop mo ra	+75.072 (en)
radial v	−21.8 (en)
radius	3.870000 (xsd:double)
rotational velocity	81 (xsd:integer)
temperature	6271 (xsd:integer)
u-b	+0.13 (en)
has abstract	HD 203842 (HR 8191) is a solitary star in the constellation Equuleus. With an apparent magnitude of 6.32, it's barely visible to the naked eye under ideal conditions. The star is located 327 light-years (100 parsecs) based on parallax, but is drifting closer with a heliocentric radial velocity of −33 km/s. HD 203842 is part of the Hyades Stream, which is not related to the Hyades Cluster. HD 203842 has 1.85 times the Sun's mass, but at an age of 1.25 billion years, has expanded to 4 times the Sun's radius. It radiates at 24 times the Sun's luminosity from its enlarged photosphere at an effective temperature of 6,333 K. Despite it being classified as a giant star, it has a projected rotational velocity of 50 km/s, and 120% the abundance of heavy metals compared to the Sun. (en) HD 203842 är en ensam stjärna belägen i den norra delen av stjärnbilden Lilla hästen. Den har en skenbar magnitud av ca 6,33 och kräver åtminstone en handkikare för att kunna observeras. Baserat på parallax enligt Gaia Data Release 2 på ca 10,0 mas, beräknas den befinna sig på ett avstånd på ca 327 ljusår (ca 100 parsek) från solen. Den rör sig närmare solen med en heliocentrisk radialhastighet på ca -33 km/s. (sv) HD 203842，又名BD+09 4800，SAO 126774、HR 8191，是一颗恒星，视星等为6.35，位于銀經62.3，銀緯-27.5，其B1900.0坐标为赤經21h 19m 31.6s，赤緯+9° -27.5′ 38″。 (zh)
gold:hypernym	Star

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