2003A&A...402.1073G


C.D.S. - SIMBAD4 rel 1.7 - 2019.11.13CET11:56:03

2003A&A...402.1073G - Astronomy and Astrophysics, volume 402, 1073-1083 (2003/5-2)

Doppler images of the RS CVn binary HR 1099 (V711 Tau) from the MUSICOS 1998 campaign.

GARCIA-ALVAREZ D., BARNES J.R., COLLIER CAMERON A., DOYLE J.G., MESSINA S., LANZA A.F. and RODONO M.

Abstract (from CDS):

We present Doppler Images of the RS CVn binary system HR 1099 (V711 Tau) from spectra taken in two different sites, KPNO and MSO, during the MUSICOS 1998 campaign. Contemporaneous APT photometry is used to constrain the Doppler Images. The resulting maximum entropy reconstructions based on the least-squares deconvolved profiles, derived from ∼2000 photospheric absorption lines, reveal the presence of starspots at medium-high latitudes. We have obtained maps for both components of the binary system for the first time. The predominant structure in the primary component is an off-centered polar spot, confirming previous works on the same target by using independent codes. The result is verified by using both data sets independently. The lower spectral resolution data set gives a less detailed map for the MSO data set. The images obtained for the secondary component show a low latitude spot around orbital phase 0.7. This spot seems to mirror the structure seen on the primary. It might suggest that tidal forces may influence the spot distribution on this binary system.

Abstract Copyright:

Journal keyword(s): stars: binaries: spectroscopic - stars: late-type - stars: individual: HR 1099 - stars: activity - stars: imaging - stars: starspots

Simbad objects: 9

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Number of rows : 9

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 * gam Peg bC* 00 13 14.1512308 +15 11 00.936759 1.75 2.61 2.84 2.94 3.13 B2IV 657 0
2 * 20 Cet * 00 53 00.4945225 -01 08 39.331693 8.24 6.34 4.76 3.55 2.64 K5III 84 0
3 * 21 Cet PM* 00 54 17.5931893601 -08 44 26.390882036   7.086 6.161     G8III 68 0
4 HD 22468 RS* 03 36 47.2911034958 +00 35 15.938962144 7.09 6.63   5.4   K2:Vnk 1117 0
5 * bet Lep ** 05 28 14.7231588 -20 45 33.987791 4.13 3.66 2.84 2.19 1.75 G5II-IIIa: 226 0
6 * gam Pic PM* 05 49 49.6618144 -56 09 59.980752   5.589 4.494     K1III 63 0
7 HD 82074 PM* 09 29 32.4159387516 -04 14 47.885936732   7.101 6.257     G8III/IV 48 0
8 * 33 Sex PM* 10 41 24.1859207379 -01 44 29.366215211   7.145 6.250     G9IV 148 0
9 * alf Peg PM* 23 04 45.65345 +15 12 18.9617 2.38 2.44 2.48 2.47 2.50 B9III 340 0

    Equat.    Gal    SGal    Ecl

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2019.11.13-11:56:03

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