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- Rho_Puppis abstract "Rho Puppis (Rho Pup, ρ Puppis, ρ Pup) is a star in the southern constellation of Puppis, which according to British astronomy author Patrick Moore, has the traditional name Turais, which is shared by Iota Carinae. With an average apparent visual magnitude of 2.78, it is the third brightest member of this generally faint constellation. Based upon parallax measurements made during the Hipparcos mission, Rho Puppis is located at a distance of 63.5 light-years (19.5 parsecs) from Earth. At present it is moving away from the Sun with a radial velocity of +46.1 km s−1. The closest approach occurred about 394,000 years ago when Rho Puppis came within roughly 11.6 ly (3.6 pc) of the Solar System; about the same distance as Procyon in the present era.The variability of this star was announced in 1956 by American astronomer Olin J. Eggen. It was determined to be a Delta Scuti-type variable star, making it one of the first stars of that type to be identified. Photometric observations dating back to 1946 provide a lengthy record of its pattern of pulsation; it undergoes periodic pulsations with a single period of 0.14088143(3) days, or 7.1 cycles per day. During each cycle, the star's magnitude varies with an amplitude of 0.15 and the radial velocity varies by 10 km s−1. The peak brightness occurs 28.8 minutes following the minimum radial velocity. The outer atmosphere's effective temperature of 6,920 K is one of the lowest known for a Delta Scuti variable.Rho Puppis has an estimated age of about 2 billion years and it has 3.4 times the Sun's radius. It has a stellar classification of F2mF5IIp, which matches the spectrum of an F-type bright giant star. It shows stronger than normal absorption lines of metals—a term astronomers use for any element other than hydrogen and helium. The 'p' suffix indicates chemical peculiarities that mark it as a cooler temperature Am star. Most such stars are found in binary star systems, but this appears to be an exception as no companion has been discovered. Evolved stars that show this combination of Delta Scuti variability with Am-like peculiarities of abundance have come to be known as ρ Pup stars. The star's metallicity is more than double that in the Sun.This star shows an excess emission of infrared radiation, suggesting that there is a circumstellar disk of dust orbiting this star. The mean temperature of the emission is 85 K, corresponding to an orbital separation from the host star of 50 AU.".
- Rho_Puppis thumbnail Puppis_IAU.svg?width=300.
- Rho_Puppis wikiPageID "34888682".
- Rho_Puppis wikiPageLength "11770".
- Rho_Puppis wikiPageOutDegree "42".
- Rho_Puppis wikiPageRevisionID "654376496".
- Rho_Puppis wikiPageWikiLink Absorption_line.
- Rho_Puppis wikiPageWikiLink Am_star.
- Rho_Puppis wikiPageWikiLink Apparent_magnitude.
- Rho_Puppis wikiPageWikiLink Apparent_visual_magnitude.
- Rho_Puppis wikiPageWikiLink Astronomical_Unit.
- Rho_Puppis wikiPageWikiLink Astronomical_unit.
- Rho_Puppis wikiPageWikiLink Bright_Star_Catalogue.
- Rho_Puppis wikiPageWikiLink Bright_giant.
- Rho_Puppis wikiPageWikiLink Catalogues_of_Fundamental_Stars.
- Rho_Puppis wikiPageWikiLink Category:Bayer_objects.
- Rho_Puppis wikiPageWikiLink Category:Circumstellar_disks.
- Rho_Puppis wikiPageWikiLink Category:Puppis_(constellation).
- Rho_Puppis wikiPageWikiLink Category:Stars_with_proper_names.
- Rho_Puppis wikiPageWikiLink Constellation.
- Rho_Puppis wikiPageWikiLink Debris_disk.
- Rho_Puppis wikiPageWikiLink Delta_Scuti_variable.
- Rho_Puppis wikiPageWikiLink Durchmusterung.
- Rho_Puppis wikiPageWikiLink Effective_temperature.
- Rho_Puppis wikiPageWikiLink Epoch_(astronomy).
- Rho_Puppis wikiPageWikiLink F-type_star.
- Rho_Puppis wikiPageWikiLink Fifth_Fundamental_Catalogue.
- Rho_Puppis wikiPageWikiLink Henry_Draper_Catalogue.
- Rho_Puppis wikiPageWikiLink Hipparcos.
- Rho_Puppis wikiPageWikiLink Hipparcos_catalogue.
- Rho_Puppis wikiPageWikiLink Infrared_excess.
- Rho_Puppis wikiPageWikiLink Iota_Carinae.
- Rho_Puppis wikiPageWikiLink J2000.0.
- Rho_Puppis wikiPageWikiLink List_of_nearest_stars.
- Rho_Puppis wikiPageWikiLink List_of_nearest_stars_and_brown_dwarfs.
- Rho_Puppis wikiPageWikiLink List_of_stars_in_Puppis.
- Rho_Puppis wikiPageWikiLink Metallicity.
- Rho_Puppis wikiPageWikiLink Olin_J._Eggen.
- Rho_Puppis wikiPageWikiLink Parallax.
- Rho_Puppis wikiPageWikiLink Patrick_Moore.
- Rho_Puppis wikiPageWikiLink Procyon.
- Rho_Puppis wikiPageWikiLink Puppis.
- Rho_Puppis wikiPageWikiLink Radial_velocity.
- Rho_Puppis wikiPageWikiLink Smithsonian_Astrophysical_Observatory_Star_Catalog.
- Rho_Puppis wikiPageWikiLink Smithsonian_Astrophysical_Observatory_catalogue.
- Rho_Puppis wikiPageWikiLink Solar_System.
- Rho_Puppis wikiPageWikiLink Spectral_line.
- Rho_Puppis wikiPageWikiLink Spectrum.
- Rho_Puppis wikiPageWikiLink Star.
- Rho_Puppis wikiPageWikiLink Stellar_atmosphere.
- Rho_Puppis wikiPageWikiLink Stellar_classification.
- Rho_Puppis wikiPageWikiLink Variable_star.
- Rho_Puppis wikiPageWikiLink File:Cercle_rouge_100%25.svg.
- Rho_Puppis wikiPageWikiLink File:Puppis_IAU.svg.
- Rho_Puppis wikiPageWikiLinkText "Rho Puppis".
- Rho_Puppis wikiPageWikiLinkText "Turais".
- Rho_Puppis wikiPageWikiLinkText "ρ Pup".
- Rho_Puppis ageGyr "2".
- Rho_Puppis appmagV "2.78".
- Rho_Puppis bV "+0.40".
- Rho_Puppis class "F2mF5IIp".
- Rho_Puppis constell Puppis.
- Rho_Puppis epoch Epoch_(astronomy).
- Rho_Puppis epoch J2000.0.
- Rho_Puppis gravity "3.7".
- Rho_Puppis hasPhotoCollection Rho_Puppis.
- Rho_Puppis luminosity "22".
- Rho_Puppis mass "1.85".
- Rho_Puppis metalFe "0.35".
- Rho_Puppis pError "0.15".
- Rho_Puppis parallax "51.33".
- Rho_Puppis propMoDec "+46.23".
- Rho_Puppis propMoRa "–83.35".
- Rho_Puppis radialV "+46.1".
- Rho_Puppis radius "3.41".
- Rho_Puppis rotationalVelocity "15".
- Rho_Puppis temperature "6920".
- Rho_Puppis uB "+0.17".
- Rho_Puppis variable Delta_Scuti_variable.
- Rho_Puppis wikiPageUsesTemplate Template:Convert.
- Rho_Puppis wikiPageUsesTemplate Template:Nearest_star_systems.
- Rho_Puppis wikiPageUsesTemplate Template:Reflist.
- Rho_Puppis wikiPageUsesTemplate Template:Starbox_astrometry.
- Rho_Puppis wikiPageUsesTemplate Template:Starbox_begin.
- Rho_Puppis wikiPageUsesTemplate Template:Starbox_catalog.
- Rho_Puppis wikiPageUsesTemplate Template:Starbox_character.
- Rho_Puppis wikiPageUsesTemplate Template:Starbox_detail.
- Rho_Puppis wikiPageUsesTemplate Template:Starbox_end.
- Rho_Puppis wikiPageUsesTemplate Template:Starbox_image.
- Rho_Puppis wikiPageUsesTemplate Template:Starbox_observe.
- Rho_Puppis wikiPageUsesTemplate Template:Stars_of_Puppis.
- Rho_Puppis subject Category:Bayer_objects.
- Rho_Puppis subject Category:Circumstellar_disks.
- Rho_Puppis subject Category:Puppis_(constellation).
- Rho_Puppis subject Category:Stars_with_proper_names.
- Rho_Puppis hypernym Star.
- Rho_Puppis type CelestialBody.
- Rho_Puppis type Place.
- Rho_Puppis type Planet.
- Rho_Puppis type Star.