Speaker
Description
The COSMOS HI Large Extragalactic Survey (CHILES) is a 1000-hour survey using the Very Large Array covering a continuous redshift range of $0 < z < 0.45$, a $40\times40$ arcmin pointing, and with 5 arcsec resolution ($z = 0$). The CHILES survey is studying the growth of galaxies as a function of location in the cosmic web. Luber et al. (2019) uses DisPerSE (Sousbie et al. 2011) to identify filaments in the cosmic web for the CHILES field of view. One of the predictions of galaxy growth in the cosmic web is that galaxies lower in mass assemble by accreting onto filaments, generating spins that align with filaments (Ganeshaiah Veena et al. 2018). CHILES is an ideal survey to test these predictions. We present preliminary results of ten nearby galaxies out to a redshift of 0.1, from the first epoch of the CHILES survey. Our results show preferentially parallel HI spin alignments with cosmic web filaments.
