EFFECTIVE RECOMBINATION COEFFICIENTS OF NEUTRAL CARBON AND SINGLY IONIZED NITROGEN

被引:46
作者
ESCALANTE, V [1 ]
VICTOR, GA [1 ]
机构
[1] HARVARD SMITHSONIAN CTR ASTROPHYS,CAMBRIDGE,MA 02138
关键词
Atomic processes; Transition rates;
D O I
10.1086/191479
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Effective recombination coefficients were calculated for neutral carbon and singly ionized nitrogen lines using an atomic model potential to obtain accurate nonhydrogenic transition probabilities and recombination cross sections of singly excited states. Published nonhydrogenic data for two-electron transitions and dielectronic recombination coefficients were used to complete the calculation of the cascade. The tabulated coefficients are given as a function of temperature and can be used to calculate the emissivity of recombination lines of transitions from levels with n ≤ 8 and l ≤ 3. Total recombination coefficients are also given.
引用
收藏
页码:513 / 553
页数:41
相关论文
共 31 条
[1]   SPECTROSCOPIC STUDY OF MODERATELY BRIGHT PLANETARY-NEBULAE [J].
ALLER, LH ;
CZYZAK, SJ .
ASTROPHYSICS AND SPACE SCIENCE, 1979, 62 (02) :397-437
[2]   Physical processes in gaseous nebulae III. The Balmer decrement [J].
Baker, JG ;
Menzel, DH .
ASTROPHYSICAL JOURNAL, 1938, 88 (01) :52-64
[3]   CONSTRUCTIVE MODEL POTENTIAL METHOD FOR ATOMIC INTERACTIONS [J].
BOTTCHER, C ;
DALGARNO, A .
PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES, 1974, 340 (1621) :187-198
[4]  
BROCKELHURST M, 1971, MNRAS, V153, P491
[5]   THE ABUNDANCE OF OXYGEN IN THE PLANETARY NEBULA NGC-7027 [J].
BURGESS, A ;
SEATON, MJ .
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1960, 121 (01) :76-96
[6]   MODEL POTENTIAL CALCULATIONS OF LITHIUM TRANSITIONS [J].
CAVES, TC ;
DALGARNO, A .
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER, 1972, 12 (11) :1539-+
[7]  
DANZIGER IJ, 1973, ASTROPHYS LETT COMM, V14, P115
[8]  
ERIKSSON KBS, 1958, ARK FYS, V13, P303
[9]   IUE OBSERVATIONS OF DQ HERCULIS AND ITS NEBULA, AND THE NATURE OF THE COLD NOVA SHELLS [J].
FERLAND, GJ ;
WILLIAMS, RE ;
LAMBERT, DL ;
SHIELDS, GA ;
SLOVAK, M ;
GONDHALEKAR, PM ;
TRURAN, JW .
ASTROPHYSICAL JOURNAL, 1984, 281 (01) :194-204
[10]   SPECTROPHOTOMETRY OF THE NEBULA SURROUNDING NOVA-T-AURIGAE-1891 [J].
GALLAGHER, JS ;
HEGE, EK ;
KOPRIVA, DA ;
WILLIAMS, RE ;
BUTCHER, HR .
ASTROPHYSICAL JOURNAL, 1980, 237 (01) :55-60