Zobrazeno 1 - 10
of 56
pro vyhledávání: '"Patton, D R"'
Autor:
Privon, G. C., Stierwalt, S., Patton, D. R., Besla, G., Pearson, S., Putman, M., Johnson, K. E., Kallivayalil, N., Liss, S.
Publikováno v:
2017 ApJ 846 74
Interactions between pairs of isolated dwarf galaxies provide a critical window into low-mass hierarchical, gas-dominated galaxy assembly and the buildup of stellar mass in low-metallicity systems. We present the first VLT/MUSE optical IFU observatio
Externí odkaz:
http://arxiv.org/abs/1708.02587
Autor:
Patton, D. R., Atfield, J. E.
We measure the number of companions per galaxy (Nc) as a function of r-band absolute magnitude for both the Sloan Digital Sky Survey and the Croton et al. (2006) semi-analytic catalog applied to the Millennium Run simulation. For close pairs with pro
Externí odkaz:
http://arxiv.org/abs/0806.0018
Publikováno v:
Astron.J.130:2043-2057,2005
We compare the structural properties of two classes of galaxies at intermediate redshift: those in dynamically close galaxy pairs, and those which are isolated. Both samples are selected from the CNOC2 Redshift Survey, and have redshifts in the range
Externí odkaz:
http://arxiv.org/abs/astro-ph/0507417
Autor:
Patton, D. R., Pritchet, C. J., Carlberg, R. G., Marzke, R. O., Yee, H. K. C., Hall, P. B., Lin, H., Morris, S. L., Sawicki, M., Shepherd, C. W., Wirth, G. D.
We investigate redshift evolution in the galaxy merger and accretion rates, using a well-defined sample of 4184 galaxies with 0.12 < z < 0.55 and R_C < 21.5. We identify 88 galaxies in close (5 < r_p < 20 h^{-1} kpc) dynamical (delta v < 500 km/s) pa
Externí odkaz:
http://arxiv.org/abs/astro-ph/0109428
Autor:
Carlberg, R. G., Yee, H. K. C., Morris, S. L., Lin, H., Hall, P. B., Patton, D. R., Sawicki, M., Shepherd, C. W.
(abridged) The systematic variation of galaxy colors and types with clustering environment could either be the result of local conditions at formation or subsequent environmental effects as larger scale structures draw together galaxies whose stellar
Externí odkaz:
http://arxiv.org/abs/astro-ph/0106506
Autor:
Shepherd, C. W., Carlberg, R. G., Yee, H. K. C., Morris, S. L., Lin, H., Sawicki, M., Hall, P. B., Patton, D. R.
We examine how the spatial correlation function of galaxies from the CNOC2 Field Galaxy Redshift Survey depends on galaxy color, luminosity and redshift. The projected correlation function w_p is determined for volume-limited samples of objects with
Externí odkaz:
http://arxiv.org/abs/astro-ph/0106250
Autor:
Hoekstra, H., Franx, M., Kuijken, K., Carlberg, R. G., Yee, H. K. C., Lin, H., Morris, S. L., Hall, P. B., Patton, D. R., Sawicki, M., Wirth, G. D.
We report on the first measurement of the average mass and mass-to-light ratio of galaxy groups by analysing the weak lensing signal induced by these systems. The groups, which have velocity dispersions of 50-400 km/s, have been selected from the Can
Externí odkaz:
http://arxiv.org/abs/astro-ph/0012169
Autor:
Carlberg, R. G., Yee, H. K. C., Morris, S. L., Lin, H., Hall, P. B., Patton, D. R., Sawicki, M., Shepherd, C. W.
Galaxy groups likely to be virialized are identified within the CNOC2 intermediate redshift galaxy survey using an iterative method. The number-velocity dispersion relation is in agreement with the low-mass extrapolation of the cluster normalized Pre
Externí odkaz:
http://arxiv.org/abs/astro-ph/0008201
Autor:
Yee, H. K. C., Morris, S. L., Lin, H., Carlberg, R. G., Hall, P. B., Sawicki, M., Patton, D. R., Wirth, G. D., Ellingson, E., Shepherd, C. W.
Publikováno v:
Astrophys.J.Suppl. 129 (2000) 475-492
The Canadian Network for Observational Cosmology (CNOC2) Field Galaxy Redshift Survey is a spectroscopic/photometric survey of faint galaxies over 1.5 square degrees of sky with a nominal spectroscopic limit of R_c=21.5 mag. The primary goals of the
Externí odkaz:
http://arxiv.org/abs/astro-ph/0004026
Autor:
Carlberg, R. G., Cohen, Judith G., Patton, D. R., Blandford, Roger, Hogg, David W., Yee, H. K. C., Morris, S. L., Lin, H., Cowie, Lennox L., Hu, Esther, Songaila, Antoinette
Publikováno v:
Astrophys.J. 532 (2000) L1
The rate of mass accumulation due to galaxy merging depends on the mass, density, and velocity distribution of galaxies in the near neighborhood of a host galaxy. The fractional luminosity in kinematic pairs combines all of these effects in a single
Externí odkaz:
http://arxiv.org/abs/astro-ph/0002036