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Herberstein, Marie Elisabeth (Ed.)
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Abstract. Carbonaceous aerosols have great influence on the air quality, human healthand climate change. Except for organic carbon (OC) and elemental carbon (EC), brown carbon (BrC) mainly originates from biomass burning as a group of OC, with strong absorption from the visible to near-ultravioletwavelengths, and makes a considerable contribution to global warming. Largenumbers of studies have reported long-term observation of OC and ECconcentrations throughout the world, but studies of BrC based on long-termobservations are rather limited. In this study, we established atwo-wavelength method (658 and 405 nm) applied in the Sunset thermal–optical carbon analyzer. Based on a 1-year observation, we firstly investigated the characteristics, meteorological impact and transportmore »
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We present ALMA observations of a merging system at z ∼ 4.57, observed as a part of the ALMA Large Program to INvestigate [CII] at Early times (ALPINE) survey. Combining ALMA [CII]158 μ m and far-infrared continuum data with multi-wavelength ancillary data, we find that the system is composed of two massive ( M ⋆ ≳ 10 10 M ⊙ ) star-forming galaxies experiencing a major merger (stellar mass ratio r mass ≳ 0.9) at close spatial (∼13 kpc; projected) and velocity (Δ v < 300 km s −1 ) separations, and two additional faint narrow [CII]-emitting satellites. The overall system belongs to amore »
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We present the first [C II] 158 μ m luminosity function (LF) at z ∼ 5 from a sample of serendipitous lines detected in the ALMA Large Program to INvestigate [C II] at Early times (ALPINE). A study of the 118 ALPINE pointings revealed several serendipitous lines. Based on their fidelity, we selected 14 lines for the final catalog. According to the redshift of their counterparts, we identified eight out of 14 detections as [C II] lines at z ∼ 5, along with two as CO transitions at lower redshifts. The remaining four lines have an elusive identification in the available catalogsmore »