The 2006 outburst of the recurrent nova RS Oph

被引：0
|
作者：
Munari, U. [1 ]
Siviero, A.
Sostero, G.
Guido, E.
Dallaporta, S.
Moretti, S.
Graziani, M.
Tomaselli, S.
Castellani, F.
Ochner, P.
Valisa, P.
机构：
[1] Osserv Astron Padova, INAF, I-36012 Asiago, Italy
[2] Osservatorio Astron, ANS Collaborat, I-36012 Asiago, Italy
来源：
BALTIC ASTRONOMY | 2007年 / 16卷 / 01期
关键词：
stars : binaries : symbiotic; stars : novae; stars : individual (RS Oph);
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present the results of our intensive photometric (BVRCIC pass-bands) and spectroscopic monitoring (high and low resolution) throughout the 2006 outburst of the symbiotic star and recurrent nova RS Oph. Photometrically as well as spectroscopically the 2006 event closely followed the pattern already, traced by the previous outbursts that occurred in 1898, 1933, 1958, 1967 and 1985. The decline time scales in the B band were t(2) = 6.2 and t(3) = 17.1 d. Coronal emission lines reached maximum intensity around day similar to 70. A fast drop in brightness set in at day similar to 80 and brought the nova below quiescence mean level by day similar to 90, where it is still now, varying widely both in brightness and color.
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页码：46 / 48
页数：3
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