PHYSICAL VARIATIONS IN THE PLANETARY-NEBULA IC-4997

被引:7
作者
KISER, J [1 ]
DAUB, CT [1 ]
机构
[1] CALIF STATE UNIV SAN DIEGO,SAN DIEGO,CA 92182
关键词
D O I
10.1086/159668
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
引用
收藏
页码:679 / 681
页数:3
相关论文
共 15 条
[1]   PHOTO-ELECTRIC SPECTROPHOTOMETRY OF COMPACT NEBULAE [J].
AHERN, FJ .
ASTROPHYSICAL JOURNAL, 1978, 223 (03) :901-907
[2]   CHANGES IN PLANETARY NEBULA IC4997 [J].
ALLER, LH ;
LILLER, W .
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1966, 132 (03) :337-&
[3]  
[Anonymous], PUBL ASTRON SOC PAC
[4]   INTERSTELLAR EXTINCTION - CALIBRATION BY PLANETARY-NEBULAE [J].
CAHN, JH .
ASTRONOMICAL JOURNAL, 1976, 81 (06) :407-418
[5]   REVERSAL OF THE [O-III] LAMBDA-4363-H-GAMMA LAMBDA-4340 RATIO IN THE PLANETARY-NEBULA IC-4997 [J].
FEIBELMAN, WA ;
HOBBS, RW ;
MCCRACKEN, CW ;
BROWN, LW .
ASTROPHYSICAL JOURNAL, 1979, 231 (01) :111-114
[6]  
Gurzadian G.A, 1958, SOV ASTRON, V2, P482
[7]   CATALOG OF RELATIVE EMISSION-LINE INTENSITIES OBSERVED IN PLANETARY AND DIFFUSE NEBULAE [J].
KALER, JB .
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1976, 31 (04) :517-688
[8]  
Khromov G. S., 1962, SOV ASTRON, V5, P619
[9]   RECOMBINATION SPECTRUM OF PLANETARY NEBULA NGC 7027 [J].
MILLER, JS ;
MATHEWS, WG .
ASTROPHYSICAL JOURNAL, 1972, 172 (03) :593-&
[10]  
MILLER JS, 1963, AP J, V138, P1018