Extragalactic H2 and its variable relation to CO

被引：36

作者：

Israel, FP ^{[1
]}

机构：

[1] Sterrewacht Leiden, NL-2300 RA Leiden, Netherlands

来源：

MOLECULAR HYDROGEN IN SPACE | 2000年

关键词：

D O I：

10.1017/CBO9780511564635.045

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We derive and discuss the strong dependence on metallicity of the CO to H-2 conversion factor X = N( H-2)/I-CO = 12.2 - 2.5 log [O]/[H] appropriate to extragalactic objects, as well as the weaker dependence found for such objects from interferometer measurements.

引用

页码：293 / 296

页数：4

共 22 条

[1] BOLATTO AD, 2000, UNPUB AP J
[2] Braine J, 1997, ASTRON ASTROPHYS, V326, P963
[3] Dahmen G, 1998, ASTRON ASTROPHYS, V331, P959
[4] ELMEGREEN BG, 2000, IN PRESS AP J
[5] FUKUI Y, 2000, IN PRESS P A S J
[6] Carbon in spiral galaxies from Hubble Space Telescope spectroscopy
Garnett, DR
Shields, GA
Peimbert, M
Torres-Peimbert, S
Skillman, ED
Dufour, RJ
Terlevich, E
Terlevich, RJ
[J]. ASTROPHYSICAL JOURNAL, 1999, 513 (01) : 168 - 179
[7] GUELIN M, 1993, ASTRON ASTROPHYS, V279, pL37
[8] Israel FP, 1998, ASTRON ASTROPHYS, V339, P398
[9] C+ emission from the magellanic clouds .1. The bright H II region complexes N159 and N160
Israel, FP
Maloney, PR
Geis, N
Herrmann, F
Madden, SC
Poglitsch, A
Stacey, GJ
[J]. ASTROPHYSICAL JOURNAL, 1996, 465 (02) : 738 - 747
[10] Israel FP, 1997, ASTRON ASTROPHYS, V328, P471

← 1 2 3 →