emamajek on 05-Sep-2024 04:21:57 GMT about HD 101805
HD 101805 has a common proper motion companion at separation 5" that is currently (9/4/2024) lacking an entry in SIMBAD and WDS:
2MASS J11421622-7513376
Gaia DR2 5224975398034733952
Gaia DR3 5224975398034733952
pmRA = 34.208 +- 0.105 mas/yr (Gaia DR3)
pmDec = 5.496 +- 0.095 mas/yr (Gaia DR3)
plx = 29.1648 +- 0.0823 mas (Gaia DR3)
G = 14.687057 +- 0.010838 (Gaia DR3)
Ks = 7.988 +- 0.247 (2MASS)
calculated from Gaia DR3 positions (epoch 2016.0):
rho = 5.394", PA = 77.207 deg
The entry for the two stars in the Kervella+2022 catalog estimates the difference in the tangential velocities to be 2.19+-0.02 km/s, less than the predicted escape velocity (Vesc=3.55 km/s), suggesting that the system is likely bound.
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View annotation on HD 101805 object