2003A&A...407L..63M

Query : 2003A&A...407L..63M

2003A&A...407L..63M - Astronomy and Astrophysics, volume 407L63-66 (2003/9-1)

X-ray rotational modulation of a supersaturated star in IC 2391.

MARINO A., MICELA G., PERES G. and SCIORTINO S.

Abstract (from CDS):

We present evidence of X-ray rotational modulation on VXR45, a young fast rotator star, member of IC 2391. It is a dG9 spectral type star whose rotational period and X-ray luminosity make it a supersaturated star. Our X-ray observation, made with EPIC/PN on XMM-Newton, covers about two photometric rotational periods. The detection of X-ray rotational modulation implies the presence of structural inhomogeneities. Possible interpretations are presented and discussed.

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Journal keyword(s): open clusters and associations - stars: individual: IC 2391 - stars: coronae - stars: late-type - stars: rotation - X-ray: stars

Simbad objects: 4

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Number of rows : 4
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 V* AB Dor TT* 05 28 44.8712165880 -65 26 55.199147208 8.259 7.856 6.999 6.496 5.993 K0V 1080 0
2 IC 2391 OpC 08 41 17.5 -53 03 00           ~ 871 0
3 V* V370 Vel BY* 08 42 14.7556955232 -52 56 02.325566004   11.775 10.827 10.541 9.620 G9V 41 0
4 V* EK Dra BY* 14 39 00.2104038120 +64 17 29.979649860   8.243 7.604     G5VFe-0.7CH-1(k) 500 0

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