42 Librae
42 Lib
Measured
Flamsteed 42 in Libra. K3-III giant. HD 139663.
EngravingSidney Hall, Urania's Mirror (1824)Public domain
An orange giant, magnitude 4.97, about 370–400 light-years. Visible as a faint naked-eye point. The 42 is Flamsteed’s number in the Balance, not a measured forty-two.
What it supports
A live SIMBAD seat. Grokipedia keeps the page.
What it does not
Not Kepler-42. Not natal Libra. Bode’s χ Librae is retired.
ExactnessExact
Form42
Unitcatalogue
Strengthhard