2009ApJ...697L.153P

Query : 2009ApJ...697L.153P

2009ApJ...697L.153P - Astrophys. J., 697, L153-L157 (2009/June-1)

Observations of X-ray oscillations in xi Boo: evidence of a fast-kink mode in the stellar loops.

PANDEY J.C. and SRIVASTAVA A.K.

Abstract (from CDS):

We report the observations of X-ray oscillations during the flare in a cool active star xi Boo for the first time. xi Boo was observed by EPIC/MOS of the XMM-Newton satellite. The X-ray light curve is investigated with wavelet and periodogram analyses. Both analyses clearly show oscillations of the period of ∼1019 s. We interpret these oscillations as a fundamental fast-kink mode of magnetoacoustic waves.

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Journal keyword(s): stars: activity - stars: coronae - stars: flare - MHD - waves

Simbad objects: 3

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Number of rows : 3
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 * ksi Boo BY* 14 51 23.37993 +19 06 01.6994 5.618 5.370 4.593 3.91 3.48 G7Ve+K5Ve 503 0
2 V* AT Mic Er* 20 41 51.15925 -32 26 06.8283 12.753 11.909 10.343 9.098 7.383 M4.5Ve+M4.5Ve 371 0
3 BD+19 5116B PM* 23 31 52.5753377942 +19 56 14.005026315   14.8   12.165   M4.0Ve 222 0

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