AN EXPANDED VERY LARGE ARRAY SEARCH FOR WATER MEGAMASER EMISSION IN THE SUBMM GALAXY SMM J16359+6612 AT z = 2.5
作者： E. Momjian , D. J. Wilner , K. M. Menten , C. L. Carilli , R. Edmonds
DOI: 10.1088/0004-6256/137/2/3293
关键词: Galaxy 、 Quasar 、 Star formation 、 Astrophysics 、 Astronomy 、 Megamaser 、 Luminosity 、 Redshift 、 Population 、 Physics 、 Gravitational lens
摘要: Using the Expanded Very Large Array, we have conducted a search for 22.2 GHz H2O megamaser emission in strongly lensed submm galaxy, SMM J16359+6612 at z = 2.517. This object is into three components, and after correction magnification applied to its submm-wavelength flux density, it typical of bulk high-redshift, galaxy population responsible 850 μm extragalactic background (S μm~ 1 mJy). We do not detect any emission, but lensing allows us place an interesting constraint on luminosity megamasers present, 5305 L ☉ assumed linewidth 80 km s–1. Because far-infrared galaxies mainly powered by star formation, very luminous are more commonly associated with quasar activity, could be that blind searches will effective means determining redshifts less-luminous members population.
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