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abstraction > mathematical concept > number > quantity > equatorial sky area > constellation > constellation named by de Lacaille > Octans

Octans (Octant, Oct)
subject			fact

Octans	is a part of celestial sphere
	has genitive Octantis
	has synonym Octant
	has historical origin the instrument used to measure the position of Polaris
	has acronym Oct
	is an instance of constellation named by de Lacaille
constellation named by de Lacaille	is named by Abbé Nicolas Louis de Lacaille
constellation	has boundary defined in equatorial coordinates
	is a part of celestial sphere
	has component asterism
	has purpose to divide the celestial sphere into small visually recognizable star classification regions
equatorial sky area	is defined using equatorial coordinates
quantity	has unit
number	has value