PHYSICAL CONDITIONS OF H-II REGIONS IN M101 AND THE PREGALACTIC HELIUM ABUNDANCE

被引:146
作者
TORRESPEMBERT, S
PEIMBERT, M
FIERRO, J
机构
关键词
D O I
10.1086/167894
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
引用
收藏
页码:186 / 195
页数:10
相关论文
共 65 条
[1]   ELECTRON-EXCITATION IN HELIUM - INCLUDING THE N = 4 LEVELS IN AN R-MATRIX CALCULATION [J].
BERRINGTON, KA ;
KINGSTON, AE .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1987, 20 (24) :6631-6640
[3]   LINE SPECTRA OF HELIUM IN GASEOUS NEBULAE [J].
BROCKLEHURST, M .
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1972, 157 (02) :211-+
[4]   EFFECTS OF COLLISIONAL EXCITATION ON INTENSITIES OF 5876 A AND 4471 A LINES OF NEUTRAL HELIUM [J].
COX, DP ;
DALTABUIT, E .
ASTROPHYSICAL JOURNAL, 1971, 167 (02) :257-+
[5]  
DAVIDSON K, 1985, ANNU REV ASTRON ASTR, V23, P119
[6]  
de Vaucouleurs G., 1978, Astrophysical Journal, V223, P351, DOI 10.1086/156269
[7]   THEORETICAL-MODELS FOR H-II REGIONS .2. THE EXTRAGALACTIC H-II REGION ABUNDANCE SEQUENCE [J].
DOPITA, MA ;
EVANS, IN .
ASTROPHYSICAL JOURNAL, 1986, 307 (02) :431-440
[8]  
Dufour R. J., 1984, IAU S, V108, P353
[9]  
DUFOUR RJ, 1984, FUTURE ULTRAVIOLET A, P111
[10]   ON THE COMPOSITION OF H II REGIONS IN SOUTHERN GALAXIES .3. NGC 2997 AND 7793 [J].
EDMUNDS, MG ;
PAGEL, BEJ .
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1984, 211 (03) :507-519