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  1. Bars in early- and late-type discs in COSMOS

    Cameron, E.; Carollo, C. M.; Oesch, P.; Aller, M. C.; Bschorr, T.; Cerulo, P.; Aussel, H.; Capak, P.; Le Floc'h, E.; Ilbert, O.; Kneib, J.-P.; Koekemoer, A.; Leauthaud, A.; Lilly, S. J.; Massey, R.; McCracken, H. J.; Rhodes, J.; Salvato, M.; Sanders, D. B.; Scoville, N.; Sheth, K.; Taniguchi, Y.; Thompson, D.
    We investigate the (large-scale) bar fraction in a mass-complete sample of M > 10^(10.5) M_⊙ disc galaxies at 0.2 < z < 0.6 in the Cosmological Evolution Survey (COSMOS) field. The fraction of barred discs strongly depends on mass, disc morphology and specific star formation rate (SSFR). At intermediate stellar mass (10^(10.5) < M < 10^(11) M_⊙) the bar fraction in early-type discs is much higher, at all redshifts, by a factor of ~2, than that in late-type discs. This trend is reversed at higher stellar mass (M > 10^(11) M_⊙), where the fraction of bars in early-type discs becomes...
    (application/pdf) - 01-mar-2018

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