42 Cassiopeiae
42 Cas
Measured
Flamsteed 42 in Cassiopeia. B9V binary. HD 10250.
EngravingSidney Hall, Urania's Mirror (1824)Public domain
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A blue-white point, magnitude 5.17, about 293 light-years. Circumpolar from the north. The 42 is Flamsteed’s number in the Queen.
What it supports
A live SIMBAD seat. Grokipedia keeps 42 Cassiopeiae.
What it does not
Not Schedar. Not a measured forty-two.
ExactnessExact
Form42
Unitcatalogue
Strengthhard