Star in the constellation Telescopium
! 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" | Evolutionary stage
! style="text-align:left" | Spectral type
! style="text-align:left" | B−V 
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HD 167257 (HR 6821) is a solitary star in the southern constellation Telescopium. It has an apparent magnitude of 6.05, making it faintly visible to the naked eye. Parallax measurements place the star at a distance of 420 light years and has a radial velocity of , which is poorly constrained. This indicates that it is drifting towards the Solar System.
HD 167257 has a stellar classification of B9 V, indicating that it is an ordinary B-type main-sequence star. It has 2.63 times the mass of the Sun, and 2.8 times the radius of the Sun. It shines with a luminosity of about from its photosphere at an effective temperature of 10,139 K, giving it a bluish white hue. HD 167257 is estimated to be about 240 million years old – 58.6% through its main sequence lifetime – and spins modestly with a projected rotational velocity of ; it has a solar metallicity.
References.
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