Beta Aquilae
| Beta Aquilae | |
|---|---|
| Behaketa | |
| Distantzia Lurretik | 1.302 pc |
| Magnitude absolutua | 3,03 |
| Konstelazioa | Aquila (konstelazioa) |
| Abiadura erradiala | −41,44 km/s |
| Igoera zuzena | 298,828292 ° |
| Deklinazioa | 6,40675 ° |
| Izendapenak | |
ikusi
| |
Beta Aquilae (β Aquilae/β Aql/HD 188512) Aquila konstelazioko izar hirukoitza da. Sistema hau begi hutsez ikus daiteke 3,87ko ikusmen-magnitudea duen punta-antzeko iturri gisa.[1] Paralaxiaren neurketetan oinarrituta, 44,4 argi urteko distantziara dago.[2] Eguzkitik gertuago doa, 40 km/s-ko abiadura erradialarekin, eta, aurreikuspenen arabera, 27 argi-urteko epean (8,4 pc) hurbilduko da 207.000 urte barru.[3]
Bere bi osagai ikusgarriek Beta Aquilae A eta B izena dute. Lehenak Alshain du izena, sistema osoaren izen tradizionala.[4] Bere izena Šāhīn tarāzū esaldi pseudo-arabieratik dator, «Oreka» esan nahi duena; izen honek Altairrek, Alshainek eta Tarazedek osatzen duten balantzari egiten dio erreferentzia.
Erreferentziak
- ↑ Eggleton, P. P.; Tokovinin, A. A.. (2008). «A catalogue of multiplicity among bright stellar systems» Monthly Notices of the Royal Astronomical Society 389 (2): 869. doi:. Bibcode: 2008MNRAS.389..869E..
- ↑ van Leeuwen, F.. (2007). «Validation of the new Hipparcos reduction» Astronomy and Astrophysics 474 (2): 653–664. doi:. Bibcode: 2007A&A...474..653V..
- ↑ Bailer-Jones, C. A. L.. (March 2015). «Close encounters of the stellar kind» Astronomy & Astrophysics 575: 13. doi:. A35 Bibcode: 2015A&A...575A..35B..
- ↑ Kunitzsch, Paul; Smart, Tim. (2006). A Dictionary of Modern star Names: A Short Guide to 254 Star Names and Their Derivations. (2. argitaraldia) Cambridge, Massachusetts: Sky Pub ISBN 978-1-931559-44-7..
Kanpo estekak
| Artikulu hau astronomiari buruzko zirriborroa da. Wikipedia lagun dezakezu edukia osatuz. |
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