Introduction to our Star
Sirius A, the larger of the binary star couple located in the constellation Canis Majoris has an apparent magnitude of -1.46 and an absolute magnitude of 1.45 making it the second brightest star behind the sun. As well as a mass of 2.02 solar mass (4.018E30 kg) where the sun is only 1.989E30 kg and a surface temperature of 9,940 Kelvin where the Sun is only 5,778 Kelvin. Sirius A is a white main-sequence star due to its temperature but in the night sky it would appear more of a blue as seen above. Sirius A is also one of the closer stars to Earth at only 8.611 light years away but Sirius is always moving closer and closer to our solar system. Spotting Times Sirius A is mainly a winter a spring star, during the winter and spring but can be found almost all year if you look hard enough. Sirius A can mainly be found in the Southeast, South or Southwest yet in May it is more located in the West and during October it is more located in the East. The only months where Canis Majoris cannot be seen in July, August and September from Detroit. On February 10th, 2015 at 5:35 PM Sirius A is at an angle of 4.5 Degrees. |
Sirius A - Basic Info
Type of Star - White Main-Sequence Star Binary Star - Yes (Sirius B) Nickname - Dog Star Mass - 2.02 Solar Mass Distance - 6.43 AU Spectral Class - A1V Temperature - 9,940 K Color - White/Blue Constellation - Canis Majoris Apparent Magnitude -1.46 Absolute Magnitude 1.45 Luminosity - 25.4 L |