2006ApJ...642L.137B

Query : 2006ApJ...642L.137B

2006ApJ...642L.137B - Astrophys. J., 642, L137-L140 (2006/May-2)

The field of streams: Sagittarius and its siblings.

BELOKUROV V., ZUCKER D.B., EVANS N.W., GILMORE G., VIDRIH S., BRAMICH D.M., NEWBERG H.J., WYSE R.F.G., IRWIN M.J., FELLHAUER M., HEWETT P.C., WALTON N.A., WILKINSON M.I., COLE N., YANNY B., ROCKOSI C.M., BEERS T.C., BELL E.F., BRINKMANN J., IVEZIC Z. and LUPTON R.

Abstract (from CDS):

We use Sloan Digital Sky Survey (SDSS) Data Release 5 (DR5) u, g, r, i, z photometry to study Milky Way halo substructure in the area around the north Galactic cap. A simple color cut (g-r<0.4) reveals the tidal stream of the Sagittarius dwarf spheroidal galaxy, as well as a number of other stellar structures in the field. Two branches (A and B) of the Sagittarius stream are clearly visible in an RGB composite image created from three magnitude slices, and there is also evidence for a still more distant wrap behind the A branch. A comparison of these data with numerical models suggests that the shape of the Galactic dark halo is close to spherical.

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Journal keyword(s): Galaxies: Individual: Name: Sagittarius dSph - Galaxies: Kinematics and Dynamics - Galaxies: Structure - Galaxy: Halo - Galaxies: Local Group

Simbad objects: 8

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Number of rows : 8
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 Sagittarius Stream St* 02 22 +00.0           ~ 1001 0
2 NGC 4147 GlC 12 10 06.149 +18 32 31.78   11.45 10.74     ~ 616 0
3 NGC 5466 GlC 14 05 27.29 +28 32 04.0     9.70     ~ 887 0
4 Cl Pal 5 GlC 15 16 05.30 -00 06 41.0   15.1       ~ 797 1
5 NAME SDG G 18 55 19.0 -30 32 43   4.5 3.6     ~ 2438 2
6 NAME Orphan Stream St* 19 09 -23.           ~ 281 0
7 NAME Local Group GrG ~ ~           ~ 9325 0
8 NAME Monoceros Stream St* ~ ~           ~ 374 1

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