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Gamma² Caeli

X Caeli

Bright yellow subgiant in Caelum

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Proper Name	None
Bayer Designation	Gamma² Caeli
Flamsteed Number	None
HR (BSC)	1653
HD	32846
Variable Designation	X Caeli
Constellation	Caelum
Right Ascension	5h 4m 26s
Declination	-35° 42' 18"
Distance	336 light years 103 parsecs
Magnitude	Apparent: +6.32 Absolute: +1.25
Spectral Class	F2IV/V bright yellow subgiant
Optimum Visibility	December
Notes	Gamma² Caeli is a binary system, in which the primary star shows characteristics of both a subgiant and a main sequence star. This primary is a pulsating variable of the Delta Scuti subtype, showing rapid and regular changes in brightness over a repeating period of 3.25 hours.

Gamma² Caeli forms an apparent pair in the sky with the much brighter Gamma¹ Caeli, thirteen arcminutes to the north. Gamma¹ Caeli is not only more intrinsically luminous than Gamma², but also much closer to the Sun, and so it appears more than five times brighter as seen from Earth. Imagery provided by Aladin sky atlas

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Caelum

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