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Statements

Subject Item
dbr:Psi2_Lupi
rdf:type
dbo:CelestialBody yago:Object100002684 dbo:Star owl:Thing yago:CelestialBody109239740 yago:Whole100003553 yago:NaturalObject100019128 yago:WikicatBayerObjects dbo:Place schema:Place yago:Star109444100 yago:WikicatB-typeMain-sequenceStars dbo:Location yago:PhysicalEntity100001930
rdfs:label
Psi2 Lupi Psi2 Lupi Пси² Волка Psi2 Lupi
rdfs:comment
Psi2 Lupi (ψ2 Lup) is a triple star system in the constellation Lupus. It is visible to the naked eye with an apparent magnitude of 4.75. Based upon an annual parallax shift of 8.97 mas as seen from Earth, it is located around 360 light years from the Sun. At that distance, the visual magnitude is diminished by an extinction factor of 0.016±0.009 due to interstellar dust. This system is a member of the Upper Centaurus–Lupus subgroup of the Scorpius–Centaurus association. Psi2 Lupi (125 Lupi) é uma estrela na direção da constelação de Lupus. Possui uma ascensão reta de 15h 42m 41.04s e uma declinação de −34° 42′ 37.2″. Sua magnitude aparente é igual a 4.75. Considerando sua distância de 396 anos-luz em relação à Terra, sua magnitude absoluta é igual a −0.67. Pertence à classe espectral B5V. Psi2 Lupi (ψ2 Lupi, förkortad Psi2 Lup, ψ2 Lup), som är stjärnans Bayer-beteckning, är en trippelstjärna i norra delen av stjärnbilden Vargen. Den har en skenbar magnitud av 4,75 och är synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 9,0 mas, beräknas den befinna sig på ett avstånd av ca 360 ljusår (111 parsek) från solen. På det beräknade avståndet minskar dess skenbara magnitud med 0,016 ± 0009 enheter på grund av interstellärt stoft. Stjärnan ingår i undergruppen Övre Centaurus-Lupus inom Scorpius-Centaurus-föreningen. Пси² Волка (лат. ψ² Lupi), 4 Волка (лат. 4 Lupi), HD 140008 — тройная звезда в созвездии Волка на расстоянии приблизительно 378 световых лет (около 116 парсеков) от Солнца. Видимая звёздная величина звезды — +4,721m. Возраст звезды определён как около 15,9 млн лет.
foaf:name
Psi2 Lupi
dcterms:subject
dbc:B-type_main-sequence_stars dbc:Upper_Centaurus_Lupus dbc:Durchmusterung_objects dbc:Flamsteed_objects dbc:Lupus_(constellation) dbc:Hipparcos_objects dbc:Bright_Star_Catalogue_objects dbc:Henry_Draper_Catalogue_objects dbc:Bayer_objects dbc:Triple_star_systems
dbo:wikiPageID
37692002
dbo:wikiPageRevisionID
1086505592
dbo:wikiPageWikiLink
dbr:Stellar_classification dbr:Constellation dbr:Lupus_(constellation) dbr:Stellar_spectrum dbr:Apparent_magnitude dbc:B-type_main-sequence_stars dbc:Upper_Centaurus_Lupus dbr:Amplitude dbc:Durchmusterung_objects dbr:Angular_separation dbr:Sun dbr:Psi1_Lupi dbr:Bayer_designation dbr:Henry_Draper_Catalogue dbr:Extinction_(astronomy) dbr:Stellar_parallax dbc:Flamsteed_objects dbr:Milliarcsecond dbr:J2000.0 dbr:Frequency dbr:Hipparcos_Catalogue dbr:Durchmusterung dbc:Bright_Star_Catalogue_objects dbc:Lupus_(constellation) dbr:Arc_second dbc:Hipparcos_objects dbr:Flamsteed_designation dbr:Light_year dbr:Spectroscopic_binary dbr:Orbital_period dbc:Henry_Draper_Catalogue_objects dbc:Triple_star_systems dbr:Interstellar_dust dbr:Smithsonian_Astrophysical_Observatory_Star_Catalog dbc:Bayer_objects dbr:International_Celestial_Reference_System dbr:Orbital_eccentricity dbr:Scorpius–Centaurus_association dbr:B-type_main_sequence_star dbr:Harvard_Revised_catalogue dbr:Triple_star
owl:sameAs
freebase:m.0ndx311 wikidata:Q7255757 yago-res:Psi2_Lupi dbpedia-pt:Psi2_Lupi dbpedia-ru:Пси²_Волка dbpedia-sv:Psi2_Lupi n22:4tsEJ
dbp:wikiPageUsesTemplate
dbt:Starbox_reference dbt:DEC dbt:Short_description dbt:Reflist dbt:RA dbt:Stars_of_Lupus dbt:Val dbt:Starbox_orbit dbt:Starbox_observe dbt:Starbox_detail dbt:Starbox_end dbt:Starbox_character dbt:Starbox_begin dbt:Starbox_catalog dbt:Starbox_astrometry
dbp:absmagV
−1.44
dbp:appmagV
4.75
dbp:bV
−0.146
dbp:class
B5 V
dbp:constell
dbr:Lupus_(constellation)
dbp:eccentricity
0.19
dbp:epoch
dbr:J2000.0
dbp:equinox
J2000.0
dbp:gravity
4.29
dbp:k
66.40000000000001 63.3
dbp:pError
0.27
dbp:parallax
8.970000000000001
dbp:periarg
82.8
dbp:periastron
2438252.97
dbp:periodUnitless
1059264.0
dbp:propMoDec
−29.98
dbp:propMoRa
−21.37
dbp:temperature
15135
dbp:uB
−0.570
dbp:variable
Microvariable
dbo:abstract
Пси² Волка (лат. ψ² Lupi), 4 Волка (лат. 4 Lupi), HD 140008 — тройная звезда в созвездии Волка на расстоянии приблизительно 378 световых лет (около 116 парсеков) от Солнца. Видимая звёздная величина звезды — +4,721m. Возраст звезды определён как около 15,9 млн лет. Psi2 Lupi (125 Lupi) é uma estrela na direção da constelação de Lupus. Possui uma ascensão reta de 15h 42m 41.04s e uma declinação de −34° 42′ 37.2″. Sua magnitude aparente é igual a 4.75. Considerando sua distância de 396 anos-luz em relação à Terra, sua magnitude absoluta é igual a −0.67. Pertence à classe espectral B5V. Psi2 Lupi (ψ2 Lupi, förkortad Psi2 Lup, ψ2 Lup), som är stjärnans Bayer-beteckning, är en trippelstjärna i norra delen av stjärnbilden Vargen. Den har en skenbar magnitud av 4,75 och är synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 9,0 mas, beräknas den befinna sig på ett avstånd av ca 360 ljusår (111 parsek) från solen. På det beräknade avståndet minskar dess skenbara magnitud med 0,016 ± 0009 enheter på grund av interstellärt stoft. Stjärnan ingår i undergruppen Övre Centaurus-Lupus inom Scorpius-Centaurus-föreningen. Psi2 Lupi (ψ2 Lup) is a triple star system in the constellation Lupus. It is visible to the naked eye with an apparent magnitude of 4.75. Based upon an annual parallax shift of 8.97 mas as seen from Earth, it is located around 360 light years from the Sun. At that distance, the visual magnitude is diminished by an extinction factor of 0.016±0.009 due to interstellar dust. This system is a member of the Upper Centaurus–Lupus subgroup of the Scorpius–Centaurus association. The inner pair of stars in this system form a double-lined spectroscopic binary with an orbital period of 12.26 days and an eccentricity of 0.19. The two components are described as similar in appearance. They have the spectrum of a B-type main sequence star with a stellar classification of B5 V. The luminosity has a micro-variability with a frequency of 0.94483 cycles per day and an amplitude of 0.0067 in magnitude. The third component is a magnitude 10 star at an angular separation of 0.51 arc seconds.
gold:hypernym
dbr:Star
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