2017ApJ...842..121U

Query : 2017ApJ...842..121U

2017ApJ...842..121U - Astrophys. J., 842, 121-121 (2017/June-3)

The evolution of the Tully-Fisher relation between z ∼ 2.3 and z ∼ 0.9 with KMOS 3D.

UBLER H., FORSTER SCHREIBER N.M., GENZEL R., WISNIOSKI E., WUYTS S., LANG P., NAAB T., BURKERT A., VAN DOKKUM P.G., TACCONI L.J., WILMAN D.J., FOSSATI M., MENDEL J.T., BEIFIORI A., BELLI S., BENDER R., BRAMMER G.B., CHAN J., DAVIES R., FABRICIUS M., GALAMETZ A., LUTZ D., MOMCHEVA I.G., NELSON E.J., SAGLIA R.P., SEITZ S. and TADAKI K.

Abstract (from CDS):

We investigate the stellar mass and baryonic mass Tully-Fisher relations (TFRs) of massive star-forming disk galaxies at redshift z∼2.3 and z∼0.9 as part of the KMOS^3D integral field spectroscopy survey. Our spatially resolved data allow reliable modeling of individual galaxies, including the effect of pressure support on the inferred gravitational potential. At fixed circular velocity, we find higher baryonic masses and similar stellar masses at z∼2.3 as compared to z∼0.9. Together with the decreasing gas-to-stellar mass ratios with decreasing redshift, this implies that the contribution of dark matter to the dynamical mass on the galaxy scale increases toward lower redshift. A comparison to local relations reveals a negative evolution of the stellar and baryonic TFR zero points from z = 0 to z∼0.9, no evolution of the stellar TFR zero point from z∼0.9 to z∼2.3, and a positive evolution of the baryonic TFR zero point from z∼0.9 to z∼2.3. We discuss a toy model of disk galaxy evolution to explain the observed nonmonotonic TFR evolution, taking into account the empirically motivated redshift dependencies of galactic gas fractions and the relative amount of baryons to dark matter on galaxy and halo scales.

Journal keyword(s): galaxies: evolution - galaxies: high-redshift - galaxies: kinematics and dynamics - galaxies: kinematics and dynamics

VizieR on-line data: <Available at CDS (J/ApJ/842/121): table3.dat>

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Simbad objects: 1

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Number of rows : 1

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2026	#notes
1	NAME Chandra Deep Field-South	reg	03 32 28.0	-27 48 30						~	2282	1

Query : 2017ApJ...842..121U

Basic data :

NAME Chandra Deep Field-South -- Region defined in the Sky
Other object types:	`reg ()`
ICRS coord. (ep=J2000) :	`03 32 28.0 -27 48 30 [ ] D 2001ApJ...551..624G`
FK4 coord. (ep=B1950 eq=1950) :	`03 30 22.4 -27 58 35 [ ]`
Gal coord. (ep=J2000) :	`223.5732 -54.4374 [ ]`
Angular size (arcmin):	`15.84 15.84 ~ (~) D` `~`

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NAME Chandra Deep Field-South NAME CDFS NAME CDF-S NAME Chandra Deep Field South

References (2282 between 1850 and 2026) (Total 2282)
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