LONG-PERIOD RADIAL-VELOCITY VARIATIONS OF ARCTURUS

High-precision radial velocities of Arcturus measured on 43 occasions from 1981 through 1985 show a 500 m s⁻¹ range. This range is much larger than the external errors of our observations (typically 13 m s⁻¹) confirming the radial-velocity variability of Arcturus that has been previously reported by...

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Veröffentlicht in:	Publications of the Astronomical Society of the Pacific 1989-02, Vol.101 (636), p.147-159
Hauptverfasser:	IRWIN, ALAN W., CAMPBELL, BRUCE, MORBEY, CHRISTOPHER L., WALKER, G. A. H., YANG, S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy Confidence limits Datasets Earth, ocean, space Error rates Exact sciences and technology Fictitious names Figure of merit Mechanics Periodicity Proper motions and radial velocities. Space motions Radial velocity Sine waves Stars Stellar characteristics and properties Wave velocity
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