Quelltext der Seite Secunda Hyadum

{{Infobox Stern
|           Name = Secunda Hyadum (δ<sup>1</sup> Tauri)
|             DS = 1
|           Bild = 
|       Bildtext = 
|        KarteDir = 
|          KarteX =
|          KarteY =
|     Kartendaten = 
|    Kartenbreite = 
|      Kartentext = 
|      Sternbild = Tau
|            Rek = 04/22/56.101
|            Dek = +/17/32/33.056
|           Size = 
|        Caption = δ1 Tauri
|         Objekt = Delta1 Tauri
|        Visuell = 3,76
|             Gr = 3.76
| Spektralklasse = K0 III
|      B-V-Index = (0.98)
|      U-B-Index = (0.84)
|      R-I-Index = 
|       Variabel = vermutet
|       V-Radial = (37.91 ± 0.04)
|      Parallaxe = (19.06 ± 0.37)
|             LJ = (171 ± 3)
|             PC = (52)
|    Absolut-vis = 
|           V-RA = (100.78 ± 0.92)
|           V-DE = (−28.08 ± 0.64)
|          Masse = (2.54 ± 0.13)
|         Radius = (10.89 ± 0.50)
|    Leuchtkraft = (74 ± 12)
|     Temperatur = (4983 ± 15)
|   Metallizität = (0.02 ± 0.06)
|       Rotation = 
|          Alter = (0.62 ± 0.11)
|          Bayer = δ<sup>1</sup> Tauri
|      Flamsteed = 61 Tauri
|             BD = +17° 712
|             HR = 1373
|             HD = 27697
|            HIP = 20455
|            SAO = 93897
|            TYC = 1268-1267-1
|          2MASS = J04225609+1732331
|        Weitere = [[FK5]] 162, WDS J04230+1732
<!-- Quellen -->
|      RekDekRef = <ref name="Simbad">{{Internetquelle| titel=del Tau | werk=[[SIMBAD]] | hrsg=[[Centre de Données astronomiques de Strasbourg]] | url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=del01+Tau | zugriff=2018-08-19}}</ref>
|         VisRef = <ref name="Simbad" />
|        SpekRef = <ref name="VSX_Entry">{{Internetquelle| titel=NSV 1582 | werk=VSX | hrsg=AAVSO | url=https://www.aavso.org/vsx/index.php?view=detail.top&oid=40206 | zugriff=2018-08-19}}</ref>
|          BVRef = <ref name="Simbad" />
|          UBRef = <ref name="Simbad" />
|          RIRef = 
|        VradRef = <ref name="Simbad" />
|   ParallaxeRef = <ref name="Simbad" />
|        LJPCRef = 
|         AbsRef = 
|           VRef = <ref name="Simbad" />
|       MasseRef = <ref name="Jofre2015">{{cite journal
 | last1=Jofré | first1=E. | last2=Petrucci | first2=R.
 | last3=Saffe | first3=C. | last4=Saker | first4=L.
 | last5=Artur de la Villarmois | first5=E. | last6=Chavero | first6=C.
 | last7=Gómez | first7=M. | last8=Mauas | first8=P. J. D.
 | title=Stellar parameters and chemical abundances of 223 evolved stars with and without planets
 | journal=[[Astronomy & Astrophysics]]
 | volume=574 | pages=A50 | year=2015
 | arxiv=1410.6422 | bibcode=2015A&A...574A..50J
 | doi=10.1051/0004-6361/201424474}}</ref>
|      RadiusRef = <ref name="Jofre2015" />
|          LkRef = <ref name="Jofre2015" />
|        TempRef = <ref name="Jofre2015" />
|      MetallRef = <ref name="Jofre2015" />
|         RotRef = 
|       AlterRef = <ref name="Jofre2015" />
}}

'''Secunda Hyadum''', oder '''Hyadum II''' ist der [[Eigenname]] des [[Doppelstern]]s '''δ<sup>1</sup> Tauri''' (Delta1 Tauri), im Sternbild [[Stier (Sternbild)|Stier]] im [[Offener Sternhaufen|offenen Sternhaufen]] der [[Hyaden (Astronomie)|Hyaden]]. Hyadum&nbsp;II hat eine [[scheinbare Helligkeit]] von +3,76 mag und gehört der [[Spektralklasse]] K0-IIICN0.5 an. Hyadum II ist 150 [[Lichtjahr]]e von der Erde entfernt.

== Weblinks ==
* http://stars.astro.illinois.edu/sow/hyadum2.html

== Einzelnachweise ==
<references />

{{Navigationsleiste Hyaden}}

[[Kategorie:Hyaden (Astronomie)]]