VALES - III. The calibration between the dust continuum and interstellar gas content of star-forming galaxies

被引：33

作者：

Hughes, T. M. ^{[1
]}

Ibar, E. ^{[1
]}

Villanueva, V. ^{[1
]}

Aravena, M. ^{[2
]}

Baes, M. ^{[3
]}

Bourne, N. ^{[4
]}

Cooray, A. ^{[5
]}

Davies, L. J. M. ^{[6
]}

Driver, S. ^{[6
,7
]}

Dunne, L. ^{[4
,8
]}

Dye, S. ^{[9
]}

Eales, S. ^{[8
]}

Furlanetto, C. ^{[9
,10
]}

Herrera-Camus, R. ^{[11
]}

Ivison, R. J. ^{[4
,12
]}

van Kampen, E. ^{[12
]}

Lara-Lopez, M. A. ^{[13
]}

Maddox, S. ^{[4
,8
]}

Michalowski, M. J. ^{[4
]}

Oteo, I. ^{[4
,12
]}

Smith, D. ^{[4
,14
]}

Smith, M. W. L. ^{[8
]}

Valiante, E. ^{[8
]}

van der Werf, P. ^{[15
]}

Viaene, S. ^{[3
,14
]}

Xue, Y. Q. ^{[16
]}

机构：

[1] Univ Valparaiso, Inst Fis & Astron, Avda Gran Bretana 1111, Valparaiso, Chile

[2] Univ Diego Portales, Fac Ingn, Nucleo Astron, Ave Ejercito 441, Santiago, Chile

[3] Univ Ghent, Sterrenkundig Observ, Krijgslaan 281-S9, B-9000 Ghent, Belgium

[4] Univ Edinburgh, Royal Observ, Inst Astron, Edinburgh EH9 3HJ, Midlothian, Scotland

[5] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA

[6] Univ Western Australia, Int Ctr Radio Astron Res, Crawley, WA 6009, Australia

[7] Univ St Andrews, Sch Phys & Astron, St Andrews KY16 9SS, Fife, Scotland

[8] Cardiff Univ, Sch Phys & Astron, Cardiff CF24 3AA, S Glam, Wales

[9] Univ Nottingham, Sch Phys & Astron, Univ Pk, Nottingham NG7 2RD, England

[10] Minist Educ Brazil, CAPES Fdn, BR-70040020 Brasilia, DF, Brazil

[11] Max Planck Inst Extraterr Phys, Giessenbachstr, D-85748 Garching, Germany

[12] European Southern Observ, Karl Schwarzschild Str 2, D-85748 Garching, Germany

[13] Univ Nacl Autonoma Mexico, Inst Astron, AP 70-264, Mexico City 04510, DF, Mexico

[14] Univ Hertfordshire, Ctr Astrophys Res, Hatfield AL10 9AB, Herts, England

[15] Leiden Univ, Leiden Observ, POB 9513, NL-2300 RA Leiden, Netherlands

[16] Univ Sci & Technol China, Chinese Acad Sci, Dept Astron, CAS Key Lab Res Galaxies & Cosmol,Ctr Astrophys, Hefei 230026, Anhui, Peoples R China

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2017年 / 468卷 / 01期

基金：

欧洲研究理事会; 美国国家科学基金会;

关键词：

ISM: lines and bands; galaxies: ISM; submillimetre: galaxies; DATA RELEASE; MOLECULAR GAS; HERSCHEL; EMISSION; MASSES;

D O I：

10.1093/mnrasl/slx033

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present the calibration between the dust continuum luminosity and interstellar gas content obtained from the Valparaiso ALMA Line Emission Survey (VALES) sample of 67 main-sequence star-forming galaxies at 0.02 < z < 0.35. We use CO(1-0) observations from the Atacama Large Millimetre/submillimetre Array to trace the molecular gas mass, M-H2, and estimate the rest-frame monochromatic luminosity at 850 mu m, L-nu 850, by extrapolating the dust continuum from MAGPHYS modelling of the far-ultraviolet to submillimetre spectral energy distribution sampled by the Galaxy And Mass Assembly survey. Adopting alpha(CO) = 6.5 (K km s(-1) pc(2))(-1), the average ratio of L-nu 850/M-H2 = (6.4 +/- 1.4) x 10(19) erg s(-1) Hz(-1) M-circle dot(-1), in excellent agreement with literature values. We obtain a linear fit of log(10) (M-H2/M-circle dot) = (0.92 +/- 0.02) log(10)(L-nu 850/erg s(-1) Hz(-1)) - (17.31 +/- 0.59). We provide relations between L-nu 850, M-H2 and M-ISM when combining the VALES and literature samples, and adopting a Galactic alpha(CO) value.

引用

页码：L103 / L107

页数：5

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