GZ Velorum
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GZ Velorum is a single,[1] orange-hued star in the southern constellation of Vela. It is a faint star but visible to the naked eye, having an apparent visual magnitude of 4.58.[2] The star is located around 1,300 light years from Earth, as determined from its annual parallax shift of Template:Val.[3] It is moving further away with a heliocentric radial velocity of +13 km/s.[4]
This is a bright giant star with a stellar classification of K2.5 II.[5] It is a slow irregular variable of type LC[6] with a frequency of 0.16585 cycles per day.[7] In the R (red) band, the magnitude of the star ranges from 3.43 down to 3.81.[6] The measured angular diameter of this star, after correction for limb darkening, is Template:Val.[8] At the estimated distance of GZ Vel, this yields a physical size of about 140 times the radius of the Sun.[9]
GZ Vel is 30 million years old with 9 times the mass of the Sun.[10] It is radiating 9,241[2] times the Sun's luminosity from its photosphere at an effective temperature of 4,140 K.[2]
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