ELECTRON-DENSITY MEASUREMENTS IN NGC 6720

被引：13

作者：

ALLER, LH

EPPS, HW

CZYZAK, SJ

机构：

[1] UNIV CALIF LOS ANGELES,DEPT ASTRON,LOS ANGELES,CA 90024

[2] PERKINS OBSERV,COLUMBUS,OH

[3] OHIO STATE UNIV,COLUMBUS,OH 43210

来源：

ASTROPHYSICAL JOURNAL | 1976年 / 205卷 / 03期

关键词：

D O I：

10.1086/154335

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

引用

页码：798 / 801

页数：4

共 27 条

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ALLER, LH ;

WALKER, MF .

ASTROPHYSICAL JOURNAL, 1965, 141 (04) :1318-&

[3] SPECTRA OF 33 GASEOUS NEBULAE IN YELLOW-GREEN REGION OBTAINED WITH AN ELECTRONIC CAMERA [J].

ALLER, LH ;

WALKER, MF .

ASTROPHYSICAL JOURNAL, 1970, 161 (03) :917-&

[4] SPECTROPHOTOMETRY OF REPRESENTATIVE PLANETARY NEBULAE [J].

ALLER, LH .

ASTROPHYSICAL JOURNAL, 1951, 113 (01) :125-140

[5]

ALLER LH, 1954, ASTROPHYSICS, V2

[6] FILAMENTARY STRUCTURE IN PLANETARY-NEBULAE [J].

BOESHAAR, GO .

ASTROPHYSICAL JOURNAL, 1974, 187 (02) :283-298

[7]

BROCKLEHURST M, 1971, MON NOT R ASTRON SOC, V153, P171

[8] DISTANCES AND DISTRIBUTION OF PLANETARY NEBULAE [J].

CAHN, JH ;

KALER, JB .

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1971, 22 :319-&

[9]

Chopinet M., 1963, J OBSERVATEURS MARSE, V46, P27

[10]

CLARKE W, 1965, THESIS U CALIFORNIA

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