HYDROGEN DENSITIES IN MOLECULAR CLOUDS INFERRED FROM CO OBSERVATIONS

被引:36
作者
PLAMBECK, RL
WILLIAMS, DRW
机构
关键词
D O I
10.1086/182864
中图分类号
P1 [天文学];
学科分类号
0704 ;
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页码:L43 / L47
页数:5
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共 21 条
[1]   RATIO OF CARBON-MONOXIDE TO MOLECULAR-HYDROGEN IN INTER-STELLAR DARK CLOUDS [J].
DICKMAN, RL .
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1978, 37 (04) :407-427
[2]  
ERICKSON NR, 1978, B AAS, V10, P405
[3]   INTERSTELLAR H2CO .2. 2-CENTIMETER EMISSION FROM ORION MOLECULAR CLOUD [J].
EVANS, NJ ;
ZUCKERMAN, B ;
SATO, T ;
MORRIS, G .
ASTROPHYSICAL JOURNAL, 1975, 199 (02) :383-&
[4]   MOLECULAR CLOUDS [J].
GOLDREICH, P ;
KWAN, J .
ASTROPHYSICAL JOURNAL, 1974, 189 (03) :441-453
[5]   OBSERVATIONS OF J = 2 -] 1 TRANSITION OF CARBON-MONOXIDE IN INTERSTELLAR CLOUDS [J].
GOLDSMITH, PF ;
PLAMBECK, RL ;
CHIAO, RY .
ASTROPHYSICAL JOURNAL, 1975, 196 (01) :L39-L42
[6]   OBSERVATIONS OF MILLIMETER-WAVE HCN IN 4 PROTOTYPE CLOUDS [J].
GOTTLIEB, CA ;
LADA, CJ ;
GOTTLIEB, EW ;
LILLEY, AE ;
LITVAK, MM .
ASTROPHYSICAL JOURNAL, 1975, 202 (03) :655-672
[7]   ROTATIONAL EXCITATION OF CO BY COLLISIONS WITH HE, H, AND H2 UNDER CONDITIONS IN INTERSTELLAR CLOUDS [J].
GREEN, S ;
THADDEUS, P .
ASTROPHYSICAL JOURNAL, 1976, 205 (03) :766-785
[8]   OBSERVATIONS OF DCO+ - ELECTRON ABUNDANCE IN DARK CLOUDS [J].
GUELIN, M ;
LANGER, WD ;
SNELL, RL ;
WOOTTEN, HA .
ASTROPHYSICAL JOURNAL, 1977, 217 (03) :L165-L168
[9]  
JONG TD, 1975, ASTROPHYS J, V199, P69
[10]  
KEGEL WH, 1976, ASTRON ASTROPHYS, V50, P293