Central powering of the largest Lyman-αnebula is revealed by polarized radiation

Nature

Volumn 476, Issue 7360, 2011, Pages 304-307

  Hayes, Matthew ^a,b   Scarlata, Claudia ^c,d   Siana, Brian ^e  

^a IRAP   (France)

^b UNIVERSITÉ DE GENÈVE   (Switzerland)

^c University of Minnesota   (United States)

^d CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

^e CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

HYDROGEN;

ENERGY EFFICIENCY; HYDROGEN; LUMINESCENCE; OBSERVATIONAL METHOD; POLARIZATION; RADIATION BALANCE;

ARTICLE; ASTRONOMY; ENERGY YIELD; FIELD EMISSION; IN SITU HYBRIDIZATION; NEUTRON SCATTERING; PHOTON; POLARIZATION; PRIORITY JOURNAL; RADIATION;

EID: 80051938925     PISSN: 00280836     EISSN: 14764687     Source Type: Journal    
DOI: 10.1038/nature10320     Document Type: Article

References (29)

1. Francis, P. J. et al. A group of galaxies at redshift 2.38. Astrophys. J. 457, 490-499 (1996).
2. Steidel, C. C. et al. Lya imaging of a proto-cluster region at,z.53.09. Astrophys. J. 532, 170-182 (2000).
3. Palunas, P., Teplitz, H. I., Francis, P. J., Williger, G. M. & Woodgate, B. E. The distribution of Lya-emitting galaxies at z52.38. Astrophys. J. 602, 545-554 (2004).
4. Matsuda, Y. et al. A Subaru search for Lya blobs in and around the protocluster region at redshift z53.1. Astron. J. 128, 569-584 (2004). (Pubitemid 39234036)
5. Yang, Y., Zabludoff, A., Tremonti, C., Eisenstein, D.& Davé, R.ExtendedLya nebulae at z2.3: an extremely rare and strongly clustered population? Astrophys. J. 693, 1579-1587 (2009)
6. Prescott, M. K. M., Kashikawa, N., Dey, A.&Matsuda, Y. The overdense environment of a large Lya nebula at z,2.7. Astrophys. J. 678, L77-L80 (2008).
7. Saito, T. et al. Systematic survey of extended Lya sources over z,3-5. Astrophys. J. 648, 54-66 (2006). (Pubitemid 44414194)
8. Geach, J. E. et al. TheChandra Deep Protocluster Survey: Lya blobs are powered by heating, not cooling. Astrophys. J. 700, 1-9 (2009).
9. Scarlata, C. et al. HeII emission in Lya nebulae: active galactic nucleus or cooling radiation? Astrophys. J. 706, 1241-1252 (2009).
10. Colbert, J. W. et al. Polycyclic aromatic hydrocarbon emission within Lya blobs. Astrophys. J. 728, 59-71 (2011).
11. Taniguchi, Y. & Shioya, Y. Superwind model of extended Lya emitters at high redshift. Astrophys. J. 532, L13-L16 (2000).
12. Mori, M., Umemura, M. & Ferrara, A. The nature of Lya blobs: supernovadominated primordial galaxies. Astrophys. J. 613, L97-L100 (2004). (Pubitemid 39443078)
13. Nilsson, K. K., Fynbo, J. P. U., Moller, P., Sommer-Larsen, J.& Ledoux, C. A. Lyman-a blob in theGOODSSouth field: evidence for cold accretiononto a darkmatter halo. Astron. Astrophys. 452, L23-L26 (2006). (Pubitemid 43989596)
14. Smith, D. J. B. & Jarvis, M. J. Evidence for cold accretion onto a massive galaxy at high redshifti Mon. Not. R. Astron. Soc. 378, L49-L53 (2007).
15. Fardal, M. A. et al. Cooling radiation and the Lya luminosity of forming galaxies. Astrophys. J. 562, 605-617 (2001). (Pubitemid 33716781)
16. Yang, Y. et al. Probing galaxy formation with HeII cooling lines. Astrophys. J. 640, 539-552 (2006). (Pubitemid 43570198)
17. Dijkstra, M. & Loeb, A. Lya blobs as an observational signature of cold accretion streams into galaxies. Mon. Not. R. Astron. Soc. 400, 1109-1120 (2009).
18. Goerdt, T. et al. Gravity-driven Lya blobs from cold streams into galaxies. Mon. Not. R. Astron. Soc. 407, 613-631 (2010).
19. Faucher-Giguère, C.-A., Keres, D., Dijkstra, M., Hernquist, L. & Zaldarriaga, M. Lya cooling emission from galaxy formation. Astrophys. J. 725, 633-657 (2010).
20. Lee, H. & Ahn, S. Polarization of the Ly a froman anisotrophy expanding HI shell in primeval galaxies. Astrophys. J. 504, L61-L64 (1998). (Pubitemid 128715068)
21. Dijkstra, M. & Loeb, A. The polarization of scattered Lya radiation around highredshift galaxies. Mon. Not. R. Astron. Soc. 386, 492-504 (2008).
22. Rybicki, G. B. & Loeb, A. Polarization of the Lya halos around sources before cosmological reionization. Astrophys. J. 520, L79-L81 (1999).
23. Prescott, M. K. M.,Smith, P.S., Schmidt, G. D.&Dey, A. The line polarization within a giant Lya nebula. Astrophys. J. 730, L25-L30 (2011).
24. Stenflo, J. O. Resonance-line polarization. V. Quantum-mechanical interference between states of different total angular momentum. Astron. Astrophys. 84, 68-74 (1980).
25. Adams, T. F.The escapeof resonance-lineradiationfromextremelyopaquemedia. Astrophys. J. 174, 439-448 (1972).
26. Neufeld, D. A. The transfer of resonance-line radiation in static astrophysical media. Astrophys. J. 350, 216-241 (1990).
27. Keres, D., Katz, N., Weinberg, D. H. & Davé, R. How do galaxies get their gas Mon. Not. R. Astron. Soc. 363, 2-28 (2005). (Pubitemid 41436602)
28. Dekel, A. & Birnboim, Y. Gravitational quenching in massive galaxies and clusters by clumpy accretion. Mon. Not. R. Astron. Soc. 383, 119-138 (2008).
29. Wardle, J. F. C. & Kronberg, P. P. The linear polarization of quasi-stellar radio sources at 3.71 and 11.1 centimeters. Astrophys. J. 194, 249-255 (1974).