HD 16004 is blue-white hued star in the northern constellation of Andromeda. It is a challenge to see with the naked eye even under good viewing conditions, having an apparent visual magnitude of 6.26. Located approximately away from the Sun based on parallax, it is drifting closer with a heliocentric radial velocity of −7 km/s. This is a chemically peculiar mercury-manganese star with a stellar classification of . It is an estimated 162 million years old and is spinning with a projected rotational velocity of . The star is radiating 158 times the luminosity of the Sun from its photosphere at an effective temperature of . References B-type giants Mercury-manganese stars Andromeda (constellation) Durchmusterung objects 016004 012057 0746