Pi Arae

π Arae
Observation data; Epoch J2000.0 Equinox J2000.0
Constellation	Ara
Right ascension	17h 38m 05.6s
Declination	−54° 30′ 01″
Apparent magnitude (V)	+5.25
Distance	138 ± 4 ly; (42 ± 1 pc)
Spectral type	A5IV-V
Other designations
	CP-54°8403, Gl 683, HD 159492, HIP 86305, HR 6549, SAO 244896.

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Pi Arae (π Ara, π Arae) is a star in the constellation Ara. This is a white A-type subgiant with an apparent magnitude of +5.25. It is approximately 138 light years from Earth. This star is roughly 50 million years old.^[1]

[edit] References

^ Song, Inseok; Caillault, J.-P.; Barrado y Navascués, David; Stauffer, John R. (February 2001), "Ages of A-Type Vega-like Stars from uvbyβ Photometry", The Astrophysical Journal 546 (1): 352–357, Bibcode 2001ApJ...546..352S, doi:10.1086/318269

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Observation data Epoch J2000.0 Equinox J2000.0
Constellation	Ara
Right ascension	17^h 38^m 05.6^s
Declination	−54° 30′ 01″
Apparent magnitude (V)	+5.25
Distance	138 ± 4 ly (42 ± 1 pc)
Spectral type	A5IV-V
Other designations
CP-54°8403, Gl 683, HD 159492, HIP 86305, HR 6549, SAO 244896.