1 Puppis
1 Puppis is a single star in the southern constellation of Puppis. It lies in the northern part of the constellation at a distance of 650 ly, east of Aludra in Canis Major and just above the white supergiant, 3 Puppis. This object is visible to the naked eye as a faint, red-hued star with an apparent visual magnitude of 4.59. It is moving further from the Earth with a heliocentric radial velocity of +32.4 km/s. This is a red giant star with a stellar classification of M1 III, having exhausted the hydrogen at its core  and evolved away from the main sequence. The star is radiating 1,509 times the luminosity of the Sun from its enlarged photosphere at an effective temperature of 4,111 K. It has several visual companions: component B, of magnitude 13.7 and angular separation of , C, of magnitude 9.21 and separation 78.8″, and D, of magnitude 10.84 and separation from C of 1.3″.