1996A&A...311..651B


Query : 1996A&A...311..651B

1996A&A...311..651B - Astronomy and Astrophysics, volume 311651-660 (1996/7-2)

Cool prominences in the corona of the rapidly rotating dMe star, HK Aquarii.

BYRNE P.B., EIBE M.T. and ROLLESTON W.R.J.

Abstract (from CDS):

We report the discovery of cool, prominence-like material embedded in the hot corona of the rapidly rotating dMe flare/spot variable, HKAqr. Using these observations we demonstrate that, unlike the case of the rapidly rotating K dwarf, ABDor, these features form well below the co-rotation radius. Rather they have dimensions between 3-20 times those of the very largest solar prominences. At least seven clouds were detected during each stellar rotation and they have a lifetime of greater than the three nights spanned by our data.

Abstract Copyright: ∼

Journal keyword(s): stars: late-type - stars: activity - stars: chromospheres - stars: individual: HK Aqr

Simbad objects: 7

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Number of rows : 7
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* V1005 Ori BY* 04 59 34.8342878424 +01 47 00.669818328   11.48 10.107 9.603 8.239 M0Ve 371 0
2 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
3 HD 191849 PM* 20 13 53.3962498530 -45 09 50.470550834 10.627 9.419 7.966 7.053 6.124 M0V 178 0
4 HD 197481 BY* 20 45 09.5324974119 -31 20 27.237889841   10.05 8.627 9.078 6.593 M1VeBa1 1344 0
5 V* BO Mic BY* 20 47 45.0056152368 -36 35 40.769832192   10.39 9.337   8.216 K3V(e) 214 0
6 V* AX Mic PM* 21 17 15.2690680973 -38 52 02.503938581   8.06 6.68     M1V 249 0
7 V* HK Aqr BY* 23 08 19.5510173448 -15 24 35.766079704 13.4 12.282 10.872 9.964 9.019 M0Ve 219 0

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