2009AJ....137.4377Y

Query : 2009AJ....137.4377Y

2009AJ....137.4377Y - Astron. J., 137, 4377-4399 (2009/May-0)

SEGUE: a spectroscopic survey of 240,000 stars with g = 14-20.

YANNY B., ROCKOSI C., NEWBERG H.J., KNAPP G.R., ADELMAN-McCARTHY J.K., ALCORN B., ALLAM S., ALLENDE PRIETO C., AN D., ANDERSON K.S.J., ANDERSON S., BAILER-JONES C.A.L., BASTIAN S., BEERS T.C., BELL E., BELOKUROV V., BIZYAEV D., BLYTHE N., BOCHANSKI J.J., BOROSKI W.N., BRINCHMANN J., BRINKMANN J., BREWINGTON H., CAREY L., CUDWORTH K.M., EVANS M., EVANS N.W., GATES E., GANSICKE B.T., GILLESPIE B., GILMORE G., GOMEZ-MORAN A.N., GREBEL E.K., GREENWELL J., GUNN J.E., JORDAN C., JORDAN W., HARDING P., HARRIS H., HENDRY J.S., HOLDER D., IVANS I.I., IVEZIC Z., JESTER S., JOHNSON J.A., KENT S.M., KLEINMAN S., KNIAZEV A., KRZESINSKI J., KRON R., KUROPATKIN N., LEBEDEVA S., LEE Y.S., LEGER R.F., LEPINE S., LEVINE S., LIN H., LONG D.C., LOOMIS C., LUPTON R., MALANUSHENKO O., MALANUSHENKO V., MARGON B., MARTINEZ-DELGADO D., McGEHEE P., MONET D., MORRISON H.L., MUNN J.A., NEILSEN E.H., NITTA A., NORRIS J.E., ORAVETZ D., OWEN R., PADMANABHAN N., PAN K., PETERSON R.S., PIER J.R., PLATSON J., RE FIORENTIN P., RICHARDS G.T., RIX H.-W., SCHLEGEL D.J., SCHNEIDER D.P., SCHREIBER M.R., SCHWOPE A., SIBLEY V., SIMMONS A., SNEDDEN S.A., SMITH J.A., STARK L., STAUFFER F., STEINMETZ M., STOUGHTON C., SUBBARAO M., SZALAY A., SZKODY P., THAKAR A.R., THIRUPATHI S., TUCKER D., UOMOTO A., VANDEN BERK D., VIDRIH S., WADADEKAR Y., WATTERS S., WILHELM R., WYSE R.F.G., YARGER J. and ZUCKER D.

Abstract (from CDS):

The Sloan Extension for Galactic Understanding and Exploration (SEGUE) Survey obtained ~240,000 moderate-resolution (R ∼ 1800) spectra from 3900 Å to 9000 Å of fainter Milky Way stars (14.0 < g < 20.3) of a wide variety of spectral types, both main-sequence and evolved objects, with the goal of studying the kinematics and populations of our Galaxy and its halo. The spectra are clustered in 212 regions spaced over three quarters of the sky. Radial velocity accuracies for stars are at g < 18, degrading to at g ∼ 20. For stars with signal-to-noise ratio >10 per resolution element, stellar atmospheric parameters are estimated, including metallicity, surface gravity, and effective temperature. SEGUE obtained 3500 deg² of additional ugriz imaging (primarily at low Galactic latitudes) providing precise multicolor photometry (σ(g, r, i) ∼ 2%), (σ(u, z) ∼ 3%) and astrometry (~0".1) for spectroscopic target selection. The stellar spectra, imaging data, and derived parameter catalogs for this survey are publicly available as part of Sloan Digital Sky Survey Data Release 7.

Abstract Copyright: ∼

Journal keyword(s): Galaxy: halo - Galaxy: stellar content - Galaxy: structure - stars: abundances - stars: fundamental parameters - stars: general

VizieR on-line data: <Available at CDS (J/AJ/137/4377): table1.dat table3.dat>

CDS comments: SDSS J0310-01 is WD J0310-0110 and SDSS J2239+00 is WD J2239+003A.

Simbad objects: 12

Full paper

View the references in ADS

Number of rows : 12

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Sp type	#ref 1850 - 2026	#notes
1	M 31	AGN	00 42 44.330	+41 16 07.50	4.86	4.36	3.44		~	13622	1
2	NAME Sagittarius Stream	St*	02 22	+00.0					~	1001	0
3	SDSS J031049.53-011035.3	WD*	03 10 49.5415248912	-01 10 35.212187928					DC	9	0
4	NAME Gal Anticenter	reg	05 46	+28.9					~	1024	0
5	M 9	GlC	17 19 11.78	-18 30 58.5		9.36	8.42		~	348	0
6	NAME Galactic Center	reg	17 45 39.60213	-29 00 22.0000					~	16269	0
7	M 8	OpC	18 03 37	-24 23.2					~	644	1
8	NAME SDG	G	18 55 19.0	-30 32 43		4.5	3.6		~	2438	2
9	NAME Orphan Stream	St*	19 09	-23.					~	281	0
10	SDSS J223954.12+001847.4	WD*	22 39 54.1262157624	+00 18 47.116274976		20.1		18.6	DC	11	0
11	NAME Monoceros Stream	St*	~	~					~	374	1
12	NAME Virgo Stellar Stream	MGr	~	~					~	110	0

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