Some aspects of the spectroscopic behavior of the stars of highest luminosity in the region of the Hertzsprung gap

1981 ◽  
Vol 243 ◽  
pp. 894 ◽  
Author(s):  
W. W. Morgan ◽  
P. C. Keenan ◽  
H. A. Abt ◽  
J. W. Tapscott
2021 ◽  
pp. 160930
Author(s):  
V.S. Vadgama ◽  
Keval Gadani ◽  
Bhagyashree Udeshi ◽  
Manan Gal ◽  
K.N. Rathod ◽  
...  

1997 ◽  
Vol 15 (1) ◽  
pp. 37-42 ◽  
Author(s):  
Dóra Bodlaki ◽  
Zoltán Kónya ◽  
István Hannus ◽  
Imre Kiricsi

Author(s):  
Jia-Shu Niu ◽  
Jian-Ning Fu ◽  
Yan Li ◽  
Xiao-Hu Yang ◽  
Weikai Zong ◽  
...  
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2004 ◽  
Vol 215 ◽  
pp. 280-286
Author(s):  
Thomas R. Ayres

Fast spinning Hertzsprung gap giants display super-rotational broadening of UV “hot” lines like Fe XXI λ1354 and C IV λ1548, with FWHM's up to twice that expected from the photospheric v sin i. This possibly is the result of extended fossil magnetospheres enveloping the gap giants, a new type of stellar corona. The magnetospheric phase is short-lived, however, as the rapidly evolving giants develop a competing dynamo-generated surface field in the so-called Rapid Braking Zone.


2018 ◽  
Vol 458 ◽  
pp. 580-585 ◽  
Author(s):  
Oreste De Luca ◽  
Rossella Grillo ◽  
Marco Castriota ◽  
Alfonso Policicchio ◽  
Maria Penelope De Santo ◽  
...  

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