作者: David S. N. Rupke , Sylvain Veilleux
DOI: 10.1088/0004-637X/801/2/126
关键词: Galaxy 、 Surface brightness 、 Quasar 、 Infrared 、 Luminous infrared galaxy 、 Physics 、 Astronomy 、 Absorption spectroscopy 、 Astrophysics 、 Redshift 、 Emission spectrum
摘要: Emission from metal resonant lines has recently emerged as a potentially powerful probe of the structure galactic winds at low and high redshift. In this work, we present only second example spatially resolved observations NaI D emission wind in nearby galaxy (and first 3D any redshift). F05189-2524, (z=0.043) ultra luminous infrared powered by quasar, was observed with integral field unit on Gemini Multi-Object Spectrograph (GMOS) North. absorption system traces dusty filaments near side an extended, AGN-driven (with projected velocities up to 2000 km/s). These (A_V < 4) N(H) 10^22 cm^-2) simultaneously obscure stellar continuum lines. The serve complementary wind; they are strongest regions foreground obscuration extend limits view (galactocentric radii 4 kpc). An azimuthally symmetric Sersic model extincted same screen reproduces line surface brightness distribution except inner wind, where some emission-line filling may occur. presence detectable F05189-2524 be due its rest wavelength D. data uniquely constrain current models cool gas benchmark for future models.