J/ApJ/653/1027 TKRS/GOODS-N Field galaxies (Weiner+, 2006)
A survey of galaxy kinematics to z∼1 in the TKRS/GOODS-N Field. I. Rotation and dispersion properties. Weiner B.J., Willmer C.N.A., Faber S.M., Melbourne J., Kassin S.A., Phillips A.C., Harker J., Metevier A.J., Vogt N.P., Koo D.C. <Astrophys. J., 653, 1027-1048 (2006)> =2006ApJ...653.1027W
ADC_Keywords: Surveys ; Galaxies, photometry ; Redshifts ; Rotational velocities Keywords: galaxies: distances and redshifts - galaxies: evolution - galaxies: fundamental parameters - galaxies: high-redshift - galaxies: structure - surveys Abstract: We present kinematic measurements of a large sample of galaxies from the Team Keck Redshift Survey in the GOODS-N field. We measure line-of-sight velocity dispersions from integrated emission for 1089 galaxies with median redshift 0.637 and spatially resolved kinematics for a subsample of 380 galaxies. This is the largest sample of galaxies to z∼1 with kinematics to date and allows us to measure kinematic properties without morphological pre-selection. Emission-line widths provide a dynamical measurement for the bulk of blue galaxies. To fit the spatially resolved kinematics, we construct models that fit both line-of-sight rotation amplitude and velocity dispersion. Integrated line width correlates well with a combination of the velocity gradient and dispersion and is a robust measure of galaxy kinematics. Description: The parent sample for our kinematic measurements is the TKRS in the GOODS-N field. The selection and observations are described at length by Wirth et al. (2004, Cat. J/AJ/127/3121), and we present a few relevant details here. Data and images of TKRS galaxies may be retrieved from the TKRS Web site (http://www2.keck.hawaii.edu/science/tksurvey/) File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table2.dat 118 1440 Catalog of TKRS galaxies and line-width measurements table3.dat 39 380 Catalog of TKRS rotation and dispersion fits
See also: J/AJ/127/3121 : TKRS catalog of GOODS-North Field (Wirth+, 2004) J/AJ/127/180 : The Hawaii Hubble Deep Field North (Capak+, 2004) Byte-by-byte Description of file: table2.dat
Bytes Format Units Label Explanations
1- 5 I5 --- TKRS TKRS ID from Wirth et al. 2004, Cat. J/AJ/127/3121 7- 11 I5 --- Capak ? ID from Capak et al. 2004, Cat. J/AJ/127/180 13- 22 F10.6 deg RAdeg Right Ascension in decimal degrees (J2000) 24- 32 F9.6 deg DEdeg Declination in decimal degrees (J2000) 34- 39 F6.4 --- z Redshift 41- 46 F6.2 mag Bmag ?=-99.90 Apparent B magnitude (AB) (1) 48- 53 F6.2 mag Rmag ?=-99.90 Apparent R magnitude (AB) (1) 55- 60 F6.2 mag Imag ?=-99.90 Apparent I magnitude (AB) (1) 62- 67 F6.2 mag HK'mag ?=-99.90 Apparent HK' (2.1um) magnitude (AB) (1) 69- 74 F6.2 mag e_HK'mag ?=-99.90 Error on HKmag (1) 76- 81 F6.2 mag BMAG ?=-99.99 Absolute rest-frame B magnitude (AB) (2) 83- 88 F6.2 mag U-B ?=-99.99 Absolute rest-frame U-B color index (AB) (2) 90- 95 F6.2 mag JMAG ?=-99.90 Absolute rest-frame J magnitude (AB) (2) 97-102 F6.2 mag R-J ?=-99.90 Absolute rest-frame R-J color index (AB) (2) 104-110 F7.3 [km/s] logsig1 ?=-99.90 Log of integrated line-width from 1-d spectrum (3) 112-118 F7.3 [km/s] e_logsig1 ?=-99.90 Error on logsig1 (3)
Note (1): From Capak et al. (2004, Cat. J/AJ/127/180) except for galaxies with only BI use GOODS ACS aperture magnitudes (Giavalisco et al., 2004, Cat. II/261). Note (2): From SED K correction procedure described in text. Note (3): Galaxies with logsig1d=1.4 and e_logsig1d=0.2 are kinematically unresolved, see text.
Byte-by-byte Description of file: table3.dat
Bytes Format Units Label Explanations
1- 5 I5 --- TKRS TKRS ID from Wirth et al. 2004, Cat. J/AJ/127/3121 7- 12 F6.4 --- z Redshift 14- 17 F4.1 deg dPA Offset between slit PA and ACS photometric PA, absolute value 19- 23 F5.1 km/s vsini2d Rotation velocity from modeling 2-d spectra (1) 25- 29 F5.1 km/s sigma2d Dispersion velocity from modeling 2-d spectra (2) 31- 39 A9 --- MType Morphological type (3)
Note (1): Rotation velocities for galaxies with Del-PA>40° are biased low due to slit misalignment. Note (2): Values are near-quantized in units of 5km/s due to the model grid. Note (3): Only galaxies with Del-PA<40° and ellipticity >0.25 were classified for morphology.
History: From electronic version of the journal
(End) Greg Schwarz [AAS], Patricia Vannier [CDS] 01-Aug-2008
|The document above follows the rules of the Standard Description for Astronomical Catalogues.From this documentation it is possible to generate f77 program to load files into arrays or line by line|