Procyon is a binary star
So Procyon A is brighter than Gomeisa but Procyon B is dimmer.
Canis Minor has two stars and they are Procyon and Gomeisa. Procyon has the magnitude of 0.4 and Gomeisa has the magnitude of 2.9. It is true that Canis Minor is a constellation and that it doesn't have a magnitude of its own, but its star has its own magnitude.
Regulus, also known as Alpha Leonis, is brighter than Procyon, also known as Alpha Canis Minoris. Regulus is a first-magnitude star with an apparent visual magnitude of about 1.35, making it one of the brightest stars in the night sky. Procyon, on the other hand, has an apparent visual magnitude of about 0.34, making it slightly dimmer than Regulus.
Procyon B is about 7,500 times dimmer than the Sun. This difference in brightness is due to Procyon B being a white dwarf, which is a small, dense, and cooling star compared to the larger and brighter Sun.
Betelgeuse is a red supergiant star nearing the end of its life, which causes it to be larger and more luminous than Procyon, a much smaller main sequence star. Betelgeuse's immense size and advanced stage of evolution make it appear brighter in the night sky compared to Procyon.
Beta Canis Minoris (Gomeisa) is a star in the constellation of Canis Minor. It is approximately 170 light years from Earth.
Procyon B is smaller in size compared to Procyon, as Procyon is a main sequence star (type F5IV-V) while Procyon B is a white dwarf companion star.
Gomeisa is categorized as a Class B star. Its color is bluish white and the brightness is 3.5 mag.
Canis Major means "great dog". It was discovered by Ptolemy. It contains Sirius, the dog star. Sirius is the brightest star in the sky (after the sun). It has a right ascension of 7h. It has a declination of -20 degrees. 4 of its stars have planets. The "dog days of summer" are so called because Canis Major was visible during the hottest time of the year. It was sometimes considered as Orion's hunting dog. There is also a Canis Minor.
Procyon LotorThe scientific name of the common raccoon is Procyon lotor.The scientific name of the Raccoon is Procyon lotor.
Procyon is a binary star system consisting of two stars, Procyon A and Procyon B. Procyon A is a main sequence star with a diameter about twice that of our Sun, while Procyon B is a white dwarf about 1.5 times the diameter of Earth.
Procyon is 11.41 light years from Earth.
Procyon is a binary star system with two components: Procyon A is a yellow-white F-type main-sequence star, while Procyon B is a white dwarf.