The MeerKAT Absorption Line Survey (MALS)

Deep galaxy surveys have revealed that the global star formation rate (SFR) density in the universe peaks at 1$\le z \le$2 and sharply declines towards $z = 0$. But a clear picture of the underlying processes, in particular the evolution of cold atomic ($\sim$100 K) and molecular gas phases, that drive such a strong evolution is yet to emerge. MALS is designed to use MeerKAT's L- and UHF-band receivers to carry out the most sensitive (N(HI)$>$10$^{19}$ cm$^{-2}$) dust-unbiased search of intervening HI 21-cm and OH 18-cm absorption lines at $0powerful AGNs ($>$10$^{24}$ W Hz$^{-1}$) at $0

Keywords:

• Astrophysics
• Universe
• Absorption spectroscopy
• Galaxy
• Continuum (design consultancy)
• Emission spectrum
• Spectral line
• Zeeman effect
• Star formation
• Physics
• Astronomy
• Survey research

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