Capella Informationen aus dem Hipparcos Katalog: Hipparcos #24608 Click here for SIMBAD data RA (J2000.0): 05 16 41.30 Deklination +45 59 56.5 (Dieses ist die berechnete Version für J1991.25) Helligkeit in Johnson V: 0.08 Helligkeit variiert weniger als 0.06 mag Helligkeit abgeleitet aus Beobachtungen vom Erdboden Positionsangaben sind für den Massenschwerpunkt eines Mehrfachsterns Trigonometrische Parallaxe 76.20 ± 0.46 Millibogensekunden Eigenbewegung in RA: 75.25 ± 0.54 Millibogensekunden/Jahr Eigenbewegung in Dek: -426.89 ± 0.28 Millibogensekunden/Jahr Johnson B-V Farbe: 0.795 ± 0.019 Johnson B-V Quelle sind Erdgebundene Beobachtungen Farbindex (V-I) in Cousins' System: 0.83 ± 0.01 Mittlere Helligkeit im Hipparcos System (Hpmag): 0.2385 ± 0.0023 Streuung von Hpmag ist 0.011 mag Hpmag basiert auf 52 Beobachtungen Hpmag im Maximum (5 Prozent): 0.22 Hpmag im Minimum (95 Prozent): 0.25 Unbekannter Veränderlicher der nicht in andere Kategorien fällt Dieses System wurde im "Hipparcos Input Katalog" als Mehrfachsystem klassifiziert BD +45 1077 Spektraltyp M1: comp Spektraltyp stammt aus aktuellen Daten nach der Veröffentlichung des HIC Errechnete Daten aus dem Hipparcos Katalog: Abstand: 13.123 ± 0.079 Parsec (42.80 ± 0.26 Lichtjahre) Leuchtkraft: 133.1 ± 1.6-fache Leuchtkraft der Sonne Absolute Helligkeit: -0.510 ± 0.013 J2000 Position zum jetzigen Zeitpunkt (inkl. Eigenbewegung): Rektaszension: 05h16m41.4684s Deklination: +45 59' 46.285" (Diese ist Ò12.9 Milli-Bogensekunden in RA, Ò6.7 Milli-Bogensekunden in Dek) J2000 Position zum jetzigen Zeitpunkt (inkl. Eigenbewegung und Parallaxe): Rektaszension: 05h16m41.4684s Deklination: +45 59' 46.285" Comments from the Sixth Catalog of Orbits of Visual Binary Stars: WDS identifier: 05167+4600 Discoverer identifier: ANJ 1Aa ADS (Aitken Double Star) number: 3841 HD: 34029 Magnitude of first component: 0.08 Orbital period: 0.28480 years Semimajor axis: 0.05647 arcseconds Eccentricity: 0.0000 Year PA Sep Year PA Sep Year PA Sep(") ---- -- --- ---- -- --- ---- -- --- 2015.1 183.8 0.049 2015.6 254.5 0.050 2016.1 359.9 0.048 2015.2 46.6 0.056 2015.7 138.7 0.042 2016.2 223.6 0.056 2015.3 274.2 0.045 2015.8 17.4 0.053 2016.3 89.7 0.046 2015.4 163.3 0.044 2015.9 238.1 0.054 2016.4 338.4 0.044 2015.5 32.4 0.056 2016.0 112.8 0.042 2016.5 209.4 0.056 Informationen aus dem Hipparcos Anhang für Veränderliche: Spektraltyp: M1: comp Unbekannter Veränderlicher der nicht in andere Kategorien fällt Helligkeit im Maximum errechnet: 0.216 Helligkeit im Minimum errechnet: 0.253 Informationen aus dem Hipparcos Anhang für Doppelsterne: Umlaufzeit: 104.0220 Tage (Umlaufzeit ist ein geschätzter Wert) Zeit des Periastron: JD 7528.4500 (Zeit des Periastron ist ein geschätzter Wert) Große Halbachse: 2.16 ± 0.60Millibogensekunden (Große Halbachse ist ein geschätzter Wert) Informationen aus dem Tycho Katalog: TYC 3358 3141 1 J2000 Position zum jetzigen Zeitpunkt (inkl. Eigenbewegung): Rektaszension: 05h16m41.4691s Deklination: +45 59' 46.280" (Diese ist Ò23.9 Milli-Bogensekunden in RA, Ò23.9 Milli-Bogensekunden in Dek) J2000 Position zum jetzigen Zeitpunkt (inkl. Eigenbewegung und Parallaxe): Rektaszension: 05h16m41.4691s Deklination: +45 59' 46.280" Eigenbewegung in RA: 75 ± 1 Milli-Bogensekunden/Jahr Eigenbewegung in Dek: -427 ± 1 Milli-Bogensekunden/Jahr Parallaxe 77 Ò 1 Milli-Bogensekunden s BT-Helligkeit 0.000 +/- 0.000 VT-Helligkeit 0.238 +/- 0.002 Errechnete Daten aus dem Tycho Katalog: Abstand: 12.99 ± 0.17 Parsec (42.36 ± 0.55 Lichtjahre) Leuchtkraft: 112.7 ± 2.9-fache Leuchtkraft der Sonne Absolute Helligkeit: -0.330 ± 0.028 Comments from the current WDS catalog: WDS 05167+4600 Discoverer's ID: BAR 25AB Magnitudes 0.08 and 17.1 Separation: 46.6 arcseconds in 1898 Separation: 89.8 arcseconds in 2009 Position angle: 23 degrees in 1898 Position angle: 7 degrees in 2009 3 measurements made Proper motion in RA: +076 milliarcseconds/year Proper motion in dec: -425 milliarcseconds/year There are notes for this object. There are notes for this object. There are notes for this object. A difference (delta) in magnitude is given. A difference (delta) in magnitude is given. A difference (delta) in magnitude is given. Comments from the current WDS catalog: WDS 05167+4600 Discoverer's ID: SHY 23AM Magnitudes 0.24 and 6.29 Separation: 999.9 arcseconds in 1991 Separation: 999.9 arcseconds in 1999 Position angle: 28 degrees in 1991 Position angle: 28 degrees in 1999 3 measurements made Proper motion in RA: +076 milliarcseconds/year Proper motion in dec: -427 milliarcseconds/year Spectral Type: G5III K1V There are notes for this object. There are notes for this object. There are notes for this object. A difference (delta) in magnitude is given. A difference (delta) in magnitude is given. A difference (delta) in magnitude is given. Comments from the current WDS catalog: WDS 05167+4600 Discoverer's ID: HJ 2256AF Magnitudes 0.08 and 10.21 Separation: 169.1 arcseconds in 1783 Separation: 109.2 arcseconds in 2009 Position angle: 151 degrees in 1783 Position angle: 136 degrees in 2009 21 measurements made Proper motion in RA: +076 milliarcseconds/year Proper motion in dec: -425 milliarcseconds/year There are notes for this object. There are notes for this object. There are notes for this object. A difference (delta) in magnitude is given. A difference (delta) in magnitude is given. A difference (delta) in magnitude is given. An orbit has been determined for this object. Linear solution. Linear elements for this pair have been determined. Linear Elements Catalog is currently under devolopment. Comments from the current WDS catalog: WDS 05167+4600 Discoverer's ID: BU 1392AE Magnitudes 0.08 and 12.1 Separation: 143.2 arcseconds in 1878 Separation: 191.2 arcseconds in 2009 Position angle: 316 degrees in 1878 Position angle: 326 degrees in 2009 4 measurements made Proper motion in RA: +076 milliarcseconds/year Proper motion in dec: -425 milliarcseconds/year There are notes for this object. There are notes for this object. There are notes for this object. A difference (delta) in magnitude is given. A difference (delta) in magnitude is given. A difference (delta) in magnitude is given. Comments from the current WDS catalog: WDS 05167+4600 Discoverer's ID: ANJ 1Aa,Ab Magnitudes 0.08 and 0.18 Separation: 0.0 arcseconds in 1919 Separation: 0.0 arcseconds in 2005 Position angle: 149 degrees in 1919 Position angle: 329 degrees in 2005 169 measurements made Proper motion in RA: +076 milliarcseconds/year Proper motion in dec: -425 milliarcseconds/year Spectral Type: G3III DM +45 1077 There are notes for this object. There are notes for this object. There are notes for this object. A difference (delta) in magnitude is given. A difference (delta) in magnitude is given. A difference (delta) in magnitude is given. An orbit has been determined for this object. An orbit has been determined for this object. An orbit has been determined for this object. Comments from the current WDS catalog: WDS 05167+4600 Discoverer's ID: SHJ 51AG Magnitudes 0.08 and 8.10 Separation: 450.0 arcseconds in 1831 Separation: 522.4 arcseconds in 2003 Position angle: 347 degrees in 1831 Position angle: 349 degrees in 2003 4 measurements made Proper motion in RA: +076 milliarcseconds/year Proper motion in dec: -425 milliarcseconds/year There are notes for this object. There are notes for this object. There are notes for this object. Comments from the current WDS catalog: WDS 05167+4600 Discoverer's ID: FRH 1AH Magnitudes 0.08 and 9.99 Separation: 723.3 arcseconds in 1895 Separation: 721.3 arcseconds in 1999 Position angle: 141 degrees in 1895 Position angle: 142 degrees in 1999 4 measurements made Proper motion in RA: +076 milliarcseconds/year Proper motion in dec: -425 milliarcseconds/year There are notes for this object. There are notes for this object. There are notes for this object. A difference (delta) in magnitude is given. A difference (delta) in magnitude is given. A difference (delta) in magnitude is given. Comments from the current WDS catalog: WDS 05167+4600 Discoverer's ID: BU 1392AD Magnitudes 0.08 and 13.6 Separation: 126.2 arcseconds in 1878 Separation: 73.2 arcseconds in 2009 Position angle: 183 degrees in 1878 Position angle: 194 degrees in 2009 3 measurements made Proper motion in RA: +076 milliarcseconds/year Proper motion in dec: -425 milliarcseconds/year There are notes for this object. There are notes for this object. There are notes for this object. A difference (delta) in magnitude is given. A difference (delta) in magnitude is given. A difference (delta) in magnitude is given. Comments from the current WDS catalog: WDS 05167+4600 Discoverer's ID: BU 1392AC Magnitudes 0.08 and 15.1 Separation: 78.2 arcseconds in 1878 Separation: 130.5 arcseconds in 2009 Position angle: 318 degrees in 1878 Position angle: 332 degrees in 2009 2 measurements made Proper motion in RA: +076 milliarcseconds/year Proper motion in dec: -425 milliarcseconds/year There are notes for this object. There are notes for this object. There are notes for this object. Comments from the current WDS catalog: WDS 05167+4600 Discoverer's ID: SHY 23AN Magnitudes 0.24 and 9.38 Separation: 999.9 arcseconds in 1991 Separation: 999.9 arcseconds in 1999 Position angle: 28 degrees in 1991 Position angle: 28 degrees in 1999 3 measurements made Proper motion in RA: +076 milliarcseconds/year Proper motion in dec: -427 milliarcseconds/year Spectral Type: G5III M0. There are notes for this object. There are notes for this object. There are notes for this object. A difference (delta) in magnitude is given. A difference (delta) in magnitude is given. A difference (delta) in magnitude is given. Informationen aus dem GSC: GSC-Bezeichnung 3358 3141 RA Deklination posn err Helligkeit Typ Belichtungsbeginn BelichtungszeitObs. ID Filter 05h16m41.349s +45 59' 52.90" 0.0" 0.10±0.11 Stern (Daten aus dem Tycho Input Catalog) Informationen aus dem PPM Katalog: PPM 47925 Helligkeit: 0.1 J2000 RA: 05h 16m 41.353s J2000 Dek: +45 59' 52.90" Eigenbewegung in RA: 0.0073 RA Sekunde/Jahr Eigenbewegung in Dec: -0.425 Bogensekunde/Jahr J2000 Position bei Epoche Rektaszension: 05h16m41.463s Deklination: +45 59' 46.44" Mittlere Position bei aktuellem Äquinoktium Rektaszension: 05h17m48.829s Deklination: +46 00' 42.90" (Diese ist Ò23.1 Milli-Bogensekunden in RA, Ò34.4 Milli-Bogensekunden in Dek) Spektraltyp G0 DM +45 1077 AGK +45 0512 Doppelstern. Nicht für Astrometrie nutzen. Ein FK5 (Fundamental Katalog 5) Stern. Informationen aus dem HD Katalog: HD 34029 BD +45 1077 Visuelle Helligkeit 0.21 Photographische Helligkeit 0.77 Spektraltyp G0 Informationen aus dem SAO Katalog: SAO 40186 Helligkeit: 0.21 Spektraltyp G0 DM +45 1077 Rektaszension: 05h16m41.332s Deklination: +45 59' 53.03" Eigenbewegung in RA: +0.080 Bogensekunden/Jahr Eigenbewegung in Dec: -0.422 Bogensekunde/Jahr Gesamteigenbewegung: 0.429 Bogensekunden/Jahr Informationen aus dem Bright Star Katalog: Helligkeit: 0.08 Rektaszension: 05h16m41.300s Deklination: +45 59' 53.00" Eigenbewegung in RA: +0.080 Bogensekunden/Jahr Eigenbewegung in Dec: -0.423 Bogensekunde/Jahr Gesamteigenbewegung: 0.430 Bogensekunden/Jahr BD +45 1077 HR (Bright Star) Katalog Spektrum: G5IIIe+G0III HR #1708 SAO #40186 HD #34029 parallax +080 Double/Multiple AP 0.6 G5III, 1.1 G0III, separation 0.04", 0.285y, a = 0.054", masses 2.67 and 2.55 solar. Combined mag., colors. Capella is first star for which an orbit was determined from interferometer measures, by Anderson at Mt. Wilson in 1920. Speckle separation 0.040" 1981.24 and 1981.68; 0.055" 1982.16. CPM with component H, a close binary, 10.0 dM1, 13.7 dM5 separation 2" at 723" from A, probably physical with A. Other components all faint and distant from A. Dynamic Parallax 0.058". Group Membership Hyades group. Name CAPELLA; Alhajoth. Radius or Diameter Diam. component A = 0.0052", component B = 0.0040". Spectrum Chromospheric He 10830 double. Balloon-borne spectrometer revealed pronounced emission of MgII. Soft X-ray emission. Lithium content of the F-type component is 15 times that of the G component. Also classified G6III+F9III. Spectroscopic Binaries 104.0204d, K 26.1k/s, V0 +29.5k/s, a sin i 37.3. Variability Amp. 0.03V. Variable helium and X-ray emission. Informationen aus dem NSV Katalog: NSV 1897 (Data from VizieR version of NSV/NSVS) Click here for current GCVS data RA (B1950): 05h 12m 59.5s declination: +45 56' 58" RA (J2000): 05h 16m 41.4s declination: +45 59' 53" Maximum magnitude: 0.0 Minimum magnitude: 0.16 Photometric system: V Reference to a study of this star: n083 Designation from that paper: Capella Reference to a chart for this star: DM Spectral Type: G5IIIe+F9III Comments exist for this star in the notes file.