27 Vulpeculae

27 Vulpeculae is a single, blue-white star in the northern constellation of Vulpecula. It is a dim star, visible to the naked eye, with an apparent visual magnitude of 5.59. An annual parallax shift of $−0.050$ provides a distance estimate of about 306 light-years. It is moving closer with a heliocentric radial velocity of −22 km/s, and will make perihelion passage at a distance of around 36.56 pc in 3.75 million years.

This is a B-type main-sequence star with a stellar classification of B9 V. It is spinning rapidly, showing a projected rotational velocity of 335. The star has an estimated 2.77 times the mass of the Sun and about 3.1 times the Sun's radius. It is radiating 75 times the Sun's luminosity from its photosphere at an effective temperature of 10,789 K.