On the global structure of distant galactic disks

Standard

On the global structure of distant galactic disks. / Reshetnikov, V. P.; Dettmar, R. J.; Combes, F.

In: ASTRONOMY & ASTROPHYSICS, Vol. 399, No. 3, 03.2003, p. 879-887.

Research output: Contribution to journal › Article › peer-review

Author

Reshetnikov, V. P. ; Dettmar, R. J. ; Combes, F. / On the global structure of distant galactic disks. In: ASTRONOMY & ASTROPHYSICS. 2003 ; Vol. 399, No. 3. pp. 879-887.

BibTeX

@article{3cea063f0fda421db332f38ce0da74f7,

title = "On the global structure of distant galactic disks",

abstract = "Radial and vertical profiles are determined for a sample of 34 edge-on disk galaxies in the HDFs, selected for their apparent diameter larger than 1.3″ and their unperturbed morphology. The thickness and flatness of their galactic disks are determined and discussed with regard to evolution with redshift. We find that sub-L* spiral galaxies with z ∼ 1 have a relative thickness or flatness (characterized by hz/h the scaleheight to scalelength ratio) globally similar to those in the local Universe. A slight trend is however apparent, with the hz/h flatness ratio larger by a factor of ∼1.5 in distant galaxies if compared to local samples. In absolute value, the disks are smaller than in present-day galaxies. About half of the z ∼ 1 spiral disks show a non-exponential surface brightness distribution.",

keywords = "Galaxies: evolution, Galaxies: high-redshift, Galaxies: structure",

author = "Reshetnikov, {V. P.} and Dettmar, {R. J.} and F. Combes",

year = "2003",

month = mar,

doi = "10.1051/0004-6361:20021874",

language = "English",

volume = "399",

pages = "879--887",

journal = "ASTRONOMY & ASTROPHYSICS",

issn = "0004-6361",

publisher = "EDP Sciences",

number = "3",

}

RIS

TY - JOUR

T1 - On the global structure of distant galactic disks

AU - Reshetnikov, V. P.

AU - Dettmar, R. J.

AU - Combes, F.

PY - 2003/3

Y1 - 2003/3

N2 - Radial and vertical profiles are determined for a sample of 34 edge-on disk galaxies in the HDFs, selected for their apparent diameter larger than 1.3″ and their unperturbed morphology. The thickness and flatness of their galactic disks are determined and discussed with regard to evolution with redshift. We find that sub-L* spiral galaxies with z ∼ 1 have a relative thickness or flatness (characterized by hz/h the scaleheight to scalelength ratio) globally similar to those in the local Universe. A slight trend is however apparent, with the hz/h flatness ratio larger by a factor of ∼1.5 in distant galaxies if compared to local samples. In absolute value, the disks are smaller than in present-day galaxies. About half of the z ∼ 1 spiral disks show a non-exponential surface brightness distribution.

AB - Radial and vertical profiles are determined for a sample of 34 edge-on disk galaxies in the HDFs, selected for their apparent diameter larger than 1.3″ and their unperturbed morphology. The thickness and flatness of their galactic disks are determined and discussed with regard to evolution with redshift. We find that sub-L* spiral galaxies with z ∼ 1 have a relative thickness or flatness (characterized by hz/h the scaleheight to scalelength ratio) globally similar to those in the local Universe. A slight trend is however apparent, with the hz/h flatness ratio larger by a factor of ∼1.5 in distant galaxies if compared to local samples. In absolute value, the disks are smaller than in present-day galaxies. About half of the z ∼ 1 spiral disks show a non-exponential surface brightness distribution.

KW - Galaxies: evolution

KW - Galaxies: high-redshift

KW - Galaxies: structure

UR - http://www.scopus.com/inward/record.url?scp=0037374558&partnerID=8YFLogxK

U2 - 10.1051/0004-6361:20021874

DO - 10.1051/0004-6361:20021874

M3 - Article

VL - 399

SP - 879

EP - 887

JO - ASTRONOMY & ASTROPHYSICS

JF - ASTRONOMY & ASTROPHYSICS

SN - 0004-6361

IS - 3

ER -

ID: 32201580