An Réalta Thuaidh

Ón Vicipéid, an chiclipéid shaor.
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WD Bosca Tíreolaíocht FhisiceachAn Réalta Thuaidh
Polaris alpha ursae minoris.jpg
Tipus F type (en) Aistrigh, réalta eolais, triple star system (en) Aistrigh, spectroscopic binary star (en) Aistrigh, réalta athraitheach agus classical Cepheid variable (en) Aistrigh
Història
Catàleg Bayer designation (en) Aistrigh: α UMi. ,Aitken Double Star Catalogue (en) Aistrigh: ADS 1477 A. ,2MASS: 2MASS J02314822+8915503. ,American Association of Variable Star Observers (en) Aistrigh: AAVSO 0122+88. ,Aitken Double Star Catalogue (en) Aistrigh: ADS 1477 AP. ,Astronomische Gesellschaft Katalog (en) Aistrigh: AG+89 4. ,Durchmusterung (en) Aistrigh: BD+88 8. ,Catalog of Components of Double and Multiple Stars (en) Aistrigh: CCDM J02319+8915A. ,Catalog of Stellar Identifications (en) Aistrigh: CSI+88 8 1. ,FK5 (en) Aistrigh: FK5 907. ,Boss General Catalogue (en) Aistrigh: GC 2243. ,General Catalogue of Stellar Radial Velocities (en) Aistrigh: GCRV 1037. ,Guide Star Catalog (en) Aistrigh: GSC 04628-00237. ,Henry Draper Catalogue (en) Aistrigh: HD 8890. ,Hipparcos Input Catalogue (en) Aistrigh: HIC 11767. ,Hipparcos Catalogue (en) Aistrigh: HIP 11767. ,Bright Star Catalogue (en) Aistrigh: HR 424. ,Index Catalogue of Visual Double Stars (en) Aistrigh: IDS 01226+8846 A. ,IRAS (en) Aistrigh: IRAS 01490+8901. ,JP11 (en) Aistrigh: JP11 498. ,Catalog of 5,268 Standard Stars Based on the Normal System N30 (en) Aistrigh: N30 381. ,General Catalogue of Trigonometric Stellar Parallaxes (en) Aistrigh: PLX 299. ,General Catalogue of Trigonometric Stellar Parallaxes (en) Aistrigh: PLX 299.00. ,Tokyo Photoelectric Meridian Circle Catalog (en) Aistrigh: PMC 90-93 640. ,PPM Star Catalogue (en) Aistrigh: PPM 431. ,Catalogue of rotational velocities of the stars (en) Aistrigh: ROT 3491. ,Smithsonian Astrophysical Observatory Star Catalog (en) Aistrigh: SAO 308. ,TD1 Catalog of Stellar Ultraviolet Fluxes (en) Aistrigh: TD1 835. ,Tycho Catalogue (en) Aistrigh: TYC 4628-237-1. ,UBV Photoelectric Photometry Catalogue (en) Aistrigh: UBV 21589. ,Photoelectric catalogue, magnitudes and colors of stars in the UBV and UCBV systems (en) Aistrigh: UBV M 8201. ,General Catalogue of Variable Stars (en) Aistrigh: alf UMi. ,Washington Double Star Catalog (en) Aistrigh: WDS J02318+8916A. ,Washington Double Star Catalog (en) Aistrigh: WDS J02318+8916Aa,Ab. ,Eighth catalogue of the orbital elements of spectroscopic binary systems (en) Aistrigh: SBC9 76. ,Seventh catalogue of the orbital elements of spectroscopic binary systems (en) Aistrigh: SBC7 51. ,Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue (en) Aistrigh: WEB 2438. ,Flamsteed designation (en) Aistrigh: 1 UMi.
An Réalta Thuaidh

An réalta is gile i réaltbhuíon an Bhéir Bhig, a luíonn taobh istigh de 1° ón mol neamhaí thuaidh anois. Tugtar Polaris uirthi freisin. Is ionann a airde le domhanleithead an fhéachadóra, a bheag nó a mhór. D'úsáidtí le fada í i gcomhair loingseoireachta simplí.