Star in the constellation of Scorpius
! 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" | B−V 
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HD 143787 is a single star in the southern constellation of Scorpius. It is a fifth magnitude star – apparent visual magnitude of 4.973, and hence is visible to the unaided eye. The distance to HD 143787 can be estimated from its annual parallax shift of , yielding a separation of 227 light years. It is moving closer to Earth with a heliocentric radial velocity of −37.9 km/s, and should come within in 1.2 million years.
This is an evolved giant star with a stellar classification of K3 III. It is a red clump giant, which means it is on the horizontal branch and is generating energy through helium fusion at its core. At the age of 4.46 billion years, it has 1.25 times the mass of the Sun and is radiating 61.7 times the Sun's luminosity from its enlarged photosphere at an effective temperature of 4,370 K.
References.
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