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Could be? From SkyTools, I get the following:
Sirius
Multiple Star System
Magnitude: -1.46
AB: -1.44 +8.5 mag, PA 102° Sep 7.64" (2007.0)
In 1929: PA 129° Sep 1.40"
From Yale Bright Star Catalog:
B is first white dwarf ever discovered; predicted by Bessel (1844) on basis of orbital motion of Sirius, it was first seen by Alvan Clark in 1862, and its peculiar high temperature, small size and great density established by W. Adams in 1925.
Cheers
Dennis
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