2009ApJ...698.1838H

Query : 2009ApJ...698.1838H

2009ApJ...698.1838H - Astrophys. J., 698, 1838-1851 (2009/June-3)

Spatial clustering from GALEX-SDSS samples: star formation history and large-scale clustering.

HEINIS S., BUDAVARI T., SZALAY A.S., ARNOUTS S., ARAGON-CALVO M.A., WYDER T.K., BARLOW T.A., FOSTER K., PETER F.G., MARTIN D.C., MORRISSEY P., NEFF S.G., SCHIMINOVICH D., SEIBERT M., BIANCHI L., DONAS J., HECKMAN T.M., LEE Y.-W., MADORE B.F., MILLIARD B., RICH R.M. and YI S.K.

Abstract (from CDS):

We measure the projected spatial correlation function wp(rp) from a large sample combining Galaxy Evolution Explorer ultraviolet imaging with the Sloan Digital Sky Survey spectroscopic sample. We study the dependence of the clustering strength for samples selected on (NUV - r)abscolor, specific star formation rate (SSFR), and stellar mass. We find that there is a smooth transition in the clustering of galaxies as a function of this color from weak clustering among blue galaxies to stronger clustering for red galaxies. The clustering of galaxies within the "green valley" has an intermediate strength, and is consistent with that expected from galaxy groups. The results are robust to the correction for dust extinction. The comparison with simple analytical modeling suggests that the halo occupation number increases with older star formation epochs. When splitting according to SSFR, we find that the SSFR is a more sensitive tracer of environment than stellar mass.

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Journal keyword(s): ultraviolet: galaxies

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 Sloan Great Wall ? ~ ~           ~ 191 0

Query : 2009ApJ...698.1838H

Basic data :
NAME Sloan Great Wall -- Object of Unknown Nature
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ICRS coord. (ep=J2000) : 		No Coord.

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NAME SDSS Great Wall NAME Sloan Great Wall

References (191 between 1850 and 2026) (Total 191)
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