About: T Ceti

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T Ceti is a semiregular variable star located in the equatorial constellation of Cetus. It varies between magnitudes 5.0 and 6.9 over 159.3 days. The stellar parallax shift measured by Hipparcos is 3.7 mas, which yields a distance estimate of roughly 900 light years. It is moving further from the Earth with a heliocentric radial velocity of +29 km/s. T Ceti has an estimated three times the mass of the Sun and has expanded to 275 times the Sun's radius. It is radiating 8,128 times the Sun's luminosity from its enlarged photosphere at an effective temperature of 3,396 K.

Attributes	Values
rdf:type	Thing place dbo:Location schema:Place celestial body star
rdfs:label	T de la Balena (ca) T Ceti (es) T Ceti (it) T Ceti (en) T Ceti (sv) 鯨魚座T (zh)
rdfs:comment	T Ceti è una stella gigante brillante rossa di magnitudine 5,74 situata nella costellazione della Balena. Dista 775 anni luce dal sistema solare. La sua velocità radiale positiva indica che la stella si sta allontanando dal sistema solare. (it) T Ceti är en halvregelbunden variabel av SRB-typ i Valfiskens stjärnbild. Stjärnan varierar mellan magnitud +4,96 och 6,90 med en period av 159,3 dygn. (sv) 鯨魚座T，又名BD-20 50，HD 1760、SAO 166210、HR 85，是鯨魚座的一颗恒星，视星等为5.12，位于銀經77.51，銀緯-80.2，其B1900.0坐标为赤經0h 16m 42.6s，赤緯-20° -80.2′ 45″。 (zh) T de la Balena (T Ceti) és un estel variable de magnitud aparent mitjana +5,74 situt a la constel·lació de la Balena. S'hi troba a 880 anys llum del sistema solar. T de la Balena és una gegant lluminosa de tipus espectral M5-6SIIe amb una temperatura efectiva de 2.400 K. És una «estrella MS» que mostra característiques tant d'una estrela M com d'una estrela S, així com un estel de tecneci, l'espectre del qual revela la presència d'aquest element. Com altres estels similars perd massa estel·lar, a raó de ~ 4,9 × 10-8 vegades la massa solar per any, sent el flux de massa probablement asimètric. La seva lluminositat bolomètrica —considerant totes les longituds d'ona— és 13.900 vegades superior a la lluminositat solar. Té un diàmetre 318 vegades més gran que el diàmetre solar. (ca) T Ceti (T Cet / HD 1760 / HR 85) es una estrella variable de magnitud aparente media +5,74 situada en la constelación de Cetus.Se encuentra a 880 años luz del Sistema Solar. T Ceti es una gigante luminosa de tipo espectral M5-6SIIe con una temperatura efectiva de 2400 K.Es una «» que muestra características tanto de una estrella M como de una estrella S, así como una estrella de tecnecio, cuyo espectro revela la presencia de dicho elemento.Como otras estrellas similares pierde masa estelar, a razón de ~ 4,9 × 10-8 veces la masa solar por año, siendo el flujo de masa probablemente asimétrico.Su luminosidad bolométrica —considerando todas las longitudes de onda— es 13.900 veces superior a la luminosidad solar.Tiene un diámetro 318 veces más grande que el diámetro solar. (es) T Ceti is a semiregular variable star located in the equatorial constellation of Cetus. It varies between magnitudes 5.0 and 6.9 over 159.3 days. The stellar parallax shift measured by Hipparcos is 3.7 mas, which yields a distance estimate of roughly 900 light years. It is moving further from the Earth with a heliocentric radial velocity of +29 km/s. T Ceti has an estimated three times the mass of the Sun and has expanded to 275 times the Sun's radius. It is radiating 8,128 times the Sun's luminosity from its enlarged photosphere at an effective temperature of 3,396 K. (en)
foaf:name	T Ceti (en)
foaf:depiction
dcterms:subject	Asymptotic-giant-branch stars Bright Star Catalogue objects Cetus (constellation) Durchmusterung objects Emission-line stars Henry Draper Catalogue objects Hipparcos objects M-type giants Objects with variable star designations Semiregular variable stars S-type stars
Wikipage page ID	43349519 (xsd:integer)
Wikipage revision ID	1079510820 (xsd:integer)
Link from a Wikipage to another Wikipage	Mira variable All Sky Automated Survey Light curve Asymptotic-giant-branch stars Bright Star Catalogue objects Cetus (constellation) Durchmusterung objects Emission-line stars Henry Draper Catalogue objects Hipparcos objects M-type giants Objects with variable star designations Semiregular variable stars Constellation Photosphere Effective temperature Light year Stellar spectrum Stellar parallax S-type stars Cetus Amplitude Emission line Hipparcos Asymptotic giant branch Tau Ceti Semiregular variable star Spectral type Radial velocity Variable star M-type star Mass of the Sun Sun's luminosity Sun's radius MS star (spectral type)
sameAs	T Ceti T Ceti T Ceti T Ceti T Ceti T Ceti T Ceti T Ceti T Ceti T Ceti
dbp:wikiPageUsesTemplate	dbt:Distinguish dbt:Reflist dbt:Short_description dbt:Solar_mass 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_Cetus dbt:Val dbt:DEC dbt:Odlist dbt:RA
thumbnail	wiki-commons:Special:FilePath/TCetLightCurve.png?width=300
absmag v	−1.51 (en)
appmag v	5.610000 (xsd:double)

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