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The radiant point for this shower passes several degrees to the south of the star. [12] The variable radial velocity of this system was not recognized until 1999, more than a century following the first measurement in 1897. Delta Aurigae is a single-lined spectroscopic binary: periodic Doppler shifts in the star's spectrum indicate orbital motion.
It was given its variable star designation, V352 Aurigae, in 1981. [16] V352 Aurigae is a low amplitude Delta Scuti variable with a period of 4.1 hours, [4] which means the variability is caused by the rotation of the host star in combination with localized regions of activity. [17]
Gliese 268 (QY Aurigae) is a RS Canum Venaticorum variable (RS CVn) star in the Auriga constellation. RS CVn variables are binary star systems with a strong magnetic field influenced by each star's rotation, which is accelerated by the tidal effects of the other star in the system. [ 7 ]
In 1966, Ivan John Danziger and Robert John Dickens discovered that 59 Aurigae star is a variable star. [10] This object is a Delta Scuti variable, meaning it varies in luminosity due to pulsations on its surface, ranging in magnitude from 5.94 down to 6.14 with a period of 0.154412 days (3.7 h). [6]
Epsilon Aurigae (ε Aurigae, abbreviated Epsilon Aur, ε Aur) is a multiple star system in the northern constellation of Auriga, the charioteer.It is an unusual eclipsing binary system comprising an F0 supergiant (officially named Almaaz / æ l ˈ m ɑː z /, the traditional name for the system) and a companion which is generally accepted to be a huge dark disk orbiting an unknown object ...
AE Aurigae is a blue O-type main sequence star with a mean apparent magnitude of +6.0, making it faintly visible to the naked eye under very good observing conditions. It was discovered to be a variable star by Daniel Walter Morehouse , in 1923, and received its variable star designation in 1924. [ 9 ]
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26 Aurigae is a visual binary system, and the two stars orbit each other every 52.735 years with an ellipticity of 0.653 and an angular separation 0.154″. [4] The system is made of a magnitude 6.29 [ 3 ] G-type red giant , and a hotter magnitude 6.21 [ 3 ] star that has been classified as an early B-type main-sequence star to an A-type ...