Star in the constellation Vulpecula
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! style="text-align: center; background-color: #FFFFC0;" colspan="2" | Observation dataEpoch J2000      Equinox J2000
! style="text-align:left" | Constellation
! style="text-align:left" | Right ascension
! style="text-align:left" | Declination
! style="text-align:left" | Apparent magnitude (V)
! style="background-color: #FFFFC0; text-align: center;" colspan="2"| Characteristics
! style="text-align:left" | Spectral type
! style="text-align:left" | Apparent magnitude (U)
! style="text-align:left" | Apparent magnitude (B)
! style="text-align:left" | Variable type
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12 Vulpeculae is a star in the northern constellation of Vulpecula, located approximately 630 light years away based on parallax. It has the variable star designation V395 Vul; "12 Vulpeculae" is the Flamsteed designation. This object is visible to the naked eye as a faint, blue-white hued star with a baseline apparent visual magnitude of 4.928. It is moving closer to the Earth with a heliocentric radial velocity of -25 km/s.
This is a variable Be star with a stellar classification of B2.5V; its brightness ranges from magnitude 4.78 down to 4.97. As is true with other Be stars, it has a high rate of rotation with a projected rotational velocity of 195 km/s. The star has 6.8 times the mass of the Sun and is radiating 963 times the Sun's luminosity from its photosphere at an effective temperature of 18,859 K.
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