2002A&A...396..937H


C.D.S. - SIMBAD4 rel 1.7 - 2020.01.25CET11:39:54

2002A&A...396..937H - Astronomy and Astrophysics, volume 396, 937-948 (2002/12-4)

On the role of duplicity in the Be phenomenon. I. General considerations and the first attempt at a 3-D gas-dynamical modelling of gas outflow from hot and rapidly rotating OB stars in binaries.

HARMANEC P., BISIKALO D.V., BOYARCHUK A.A. and KUZNETSOV O.A.

Abstract (from CDS):

This paper begins a new series of studies devoted to a critical re-examination of the role of duplicity for the Be phenomenon and for the variability patterns observed for many Be stars. Based on both dynamical and energy considerations and a numerical gas-dynamical modelling, a new hypothesis of the formation of Be envelopes in binaries, via an outflow from a rapidly rotating B star in a detached binary, is outlined. It is shown that such an outflow is facilitated by the presence of a companion to the B star and leads to the formation of an envelope but not to any significant mass exchange between the binary components.

Abstract Copyright:

Journal keyword(s): stars: emission-line, Be - stars: binaries: close - stars: binaries: spectroscopic - stars: fundamental parameters

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 HD 232121 Al* 00 10 42.0679098681 +54 53 29.360355721   9.67       B5+K3III 171 0
2 * phi Per Be* 01 43 39.6379209 +50 41 19.432832 3.10 4.02 4.06 3.90 3.88 B1.5V:e-shell 527 0
3 V* RX Cas bL* 03 07 45.7481570255 +67 34 38.614798549   10.14 8.64     K1III+A5eIII 173 0
4 HD 45910 Be* 06 30 32.9372530321 +05 52 01.205747083 6.64 7.18 6.85 6.31 5.81 B2IIIe 213 0
5 * mu. Cen Be* 13 49 36.9886294 -42 28 25.429594 2.37 3.27 3.43 3.41 3.50 B2Vnpe 411 0
6 * 4 Her Be* 15 55 30.5918031179 +42 33 58.287739693 5.23 5.64 5.75   5.82 B9pe 165 0
7 * bet Lyr bL* 18 50 04.7952472 +33 21 45.609978 2.85 3.42 3.42 3.31 3.29 B8.5Ib-II 885 0
8 * 14 Lac bL* 22 50 21.7772135639 +41 57 12.179527815 5.49 5.961 5.910     B4+F9III 139 0
9 HD 218393 Be* 23 07 06.2120465053 +50 11 32.489137162 6.79 7.25 6.92     B3pe+K1III 143 0

    Equat.    Gal    SGal    Ecl

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2020.01.25-11:39:54

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