Alpheratz
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 Alpha Andromedae
| |
| Sonraí breathnaitheacha Aga J2000.0 | |
|---|---|
| Réaltbhuíon (fuaimniú) |
Andraiméide (Andromeda) |
| Dronairde | 00u 08n 23.26s |
| Diallas | +29° 05' 25.55
|
| Saintréithe | |
| Aicme speictreach | B8IVpMnHg |
| U-B dathinnéacs | −0.46 |
| B-V dathinnéacs | −0.11 |
| Réaltmhéadracht | |
| Treoluas gathach (Rv) | −10.6 ± 0.3 km/s km/s |
| Dualghluaisne (μ) | Dr: 135.68 mas/bl Di.: −162.95 mas/bl |
| Saobhdhiallas (π) | 33.62 ± 0.35 ± 0.57 mas |
| Fad | 97 ± 1 sb (29.7 ± 0.3 pc) |
| Dearbhmhéid (MV) | −2.77 |
| Tréithe | |
| Mais | 3.8 ± 0.2 M☉ |
| Imtharraingt dhromchla (log g) | 3.75 |
| Lonrachas | 3,150 (bólaiméadrach) L☉ |
| Teocht | 15,000 K |
| Rothlú | 250 km/s |
| Aois | 37.3 × 108 bliain |
| Ainmneacha eile | |
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| |
| Bunachar foinseach sonraí | |
| SIMBAD | sonraí
|
Is í Alpheratz (α Andromedae, Alfa Andromedae, Alpha And) an réalta is gile ar réaltbhuíon na Andraiméide, agus is í an réalta is gile atá déanta de mearcair-mangainéis freisin. Is í déréalta i ndáiríre.
Stair téarmaíochta[cuir in eagar | athraigh foinse]
Airíonna[cuir in eagar | athraigh foinse]
Breathnóireacht[cuir in eagar | athraigh foinse]
Féach freisin[cuir in eagar | athraigh foinse]
Tagairtí[cuir in eagar | athraigh foinse]
Naisc sheachtracha[cuir in eagar | athraigh foinse]
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Is síol a bhaineann leis réalta é an t-alt seo. Cuir leis, chun cuidiú leis an Vicipéid. Má tá alt níos forbartha le fáil i dteanga eile, is féidir leat aistriúchán Gaeilge a dhéanamh. |