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Capella Aa is the cooler and more luminous of the two with spectral class K0III; it is 78.7 ± 4.2 times the Sun's luminosity and 11.98 ± 0.57 times its radius. An aging red clump star, it is fusing helium to carbon and oxygen in its core.
59 Aurigae, often abbreviated as 59 Aur, is a star in the constellation Auriga.Its baseline apparent magnitude is 6.1, [3] meaning it can just barely be seen with the naked eye as a dim, yellow-white hued star.
Hipparcos light curves for AE Aurigae. The main plot shows the long-term variation, and the inset plot shows the variation folded over a period of 213.7 days. Adapted from Marchenko et al. (1998) [7]
The star has 2.3 [3] times the mass of the Sun and double [7] the Sun's radius. It is radiating 27 [ 6 ] times the Sun's luminosity from its photosphere at an effective temperature of 9,230 K. [ 4 ] The object displays an infrared excess , suggesting an orbiting debris disk with a temperature of 20 K at a mean radius of 932.40 AU from the host ...
R Aurigae (R Aur) is a Mira variable, a pulsating red giant star in the constellation of Auriga, at a distance of 930 light years.. In 1862 R Aurigae was found to be a variable star at Bonn Observatory. [9]
Nu Aurigae, Latinised from ν Aurigae, is the Bayer designation for a star in the northern constellation of Auriga. It is visible to the naked eye with an apparent visual magnitude of 3.96 [ 2 ] and is approximately 200 light-years (61 parsecs ) distant from the Earth. [ 1 ]
The mean combined apparent magnitude of the system is +2.65 but the variation of the primary causes the system's brightness to range from magnitude +2.62 to +2.70 with a period of 1.37 days. The system is an X-ray source with a luminosity of 9.49 × 10 26 erg s −1 .
42 Aurigae is a star in the northern constellation of Auriga.The designation is from the star catalogue of English astronomer John Flamsteed, first published in 1712.It has an apparent visual magnitude of 6.53, [2] which places it just below the visibility limit for normal eyesight under good seeing conditions.