2022MNRAS.514.4696W

Query : 2022MNRAS.514.4696W

2022MNRAS.514.4696W - Mon. Not. R. Astron. Soc., 514, 4696-4717 (2022/August-3)

Velocity dispersions of clusters in the Dark Energy Survey Y3 redMaPPer catalogue.

WETZELL V., JELTEMA T.E., HEGLAND B., EVERETT S., GILES P.A., WILKINSON R., FARAHI A., COSTANZI M., HOLLOWOOD D.L., UPSDELL E., SARO A., MYLES J., BERMEO A., BHARGAVA S., COLLINS C.A., CROSS D., EIGER O., GARDNER G., HILTON M., JOBEL J., KELLY P., LAUBNER D., LIDDLE A.R., MANN R.G., MARTINEZ V., MAYERS J., McDANIEL A., ROMER A.K., ROONEY P., SAHLEN M., STOTT J., SWART A., TURNER D.J., VIANA P.T.P., ABBOTT T.M.C., AGUENA M., ALLAM S., ANDRADE-OLIVEIRA F., ANNIS J., ASOREY J., BERTIN E., BURKE D.L., CALCINO J., CARNERO ROSELL A., CAROLLO D., CARRASCO KIND M., CARRETERO J., CHOI A., CROCCE M., DA COSTA L.N., PEREIRA M.E.S., DAVIS T.M., DE VICENTE J., DESAI S., DIEHL H.T., DIETRICH J.P., DOEL P., EVRARD A.E., FERRERO I., FOSALBA P., FRIEMAN J., GARCIA-BELLIDO J., GAZTANAGA E., GLAZEBROOK K., GRUEN D., GRUENDL R.A., GSCHWEND J., GUTIERREZ G., HINTON S.R., HONSCHEID K., JAMES D.J., KUEHN K., KUROPATKIN N., LAHAV O., LEWIS G.F., LIDMAN C., LIMA M., MAIA M.A.G., MARSHALL J.L., MELCHIOR P., MENANTEAU F., MIQUEL R., MORGAN R., PALMESE A., PAZ-CHINCHON F., PLAZAS MALAGON A.A., SANCHEZ E., SCARPINE V., SERRANO S., SEVILLA-NOARBE I., SMITH M., SOARES-SANTOS M., SUCHYTA E., TARLE G., THOMAS D., TUCKER B.E., TUCKER D.L., VARGA T.N., WELLER J. (The DES Collaboration)

Abstract (from CDS):

We measure the velocity dispersions of clusters of galaxies selected by the red-sequence Matched-filter Probabilistic Percolation (redMaPPer) algorithm in the first three years of data from the Dark Energy Survey (DES), allowing us to probe cluster selection and richness estimation, λ, in light of cluster dynamics. Our sample consists of 126 clusters with sufficient spectroscopy for individual velocity dispersion estimates. We examine the correlations between cluster velocity dispersion, richness, X-ray temperature, and luminosity, as well as central galaxy velocity offsets. The velocity dispersion-richness relation exhibits a bimodal distribution. The majority of clusters follow scaling relations between velocity dispersion, richness, and X-ray properties similar to those found for previous samples; however, there is a significant population of clusters with velocity dispersions that are high for their richness. These clusters account for roughly 22 per cent of the λ < 70 systems in our sample, but more than half (55 per cent) of λ < 70 clusters at z > 0.5. A couple of these systems are hot and X-ray bright as expected for massive clusters with richnesses that appear to have been underestimated, but most appear to have high velocity dispersions for their X-ray properties likely due to line-of-sight structure. These results suggest that projection effects contribute significantly to redMaPPer selection, particularly at higher redshifts and lower richnesses. The redMaPPer determined richnesses for the velocity dispersion outliers are consistent with their X-ray properties, but several are X-ray undetected and deeper data are needed to understand their nature.

Journal keyword(s): galaxies: clusters: general - X-rays: galaxies: clusters

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	ACO 209	ClG	01 31 52.9	-13 36 53						~	326	0

Query : 2022MNRAS.514.4696W

Basic data :

ACO 209 -- Cluster of Galaxies
Other object types:	`ClG (2004A&A,ACO,...)`, `C?G (2014A&A,XCLASS)`, `X (2020ApJ,RBS,...)`, `gLe (2015ApJ)`
ICRS coord. (ep=J2000) :	`01 31 52.9 -13 36 53 (X-ray) [ ] E 2021A&A...652A..12K`
FK4 coord. (ep=B1950 eq=1950) :	`01 29 25.4 -13 52 18 [ ]`
Gal coord. (ep=J2000) :	`159.8866 -73.5125 [ ]`
Radial velocity / Redshift / cz :	`V(km/s) 55218 [2218] / z(spectroscopic) 0.2048 [0.0074] / cz 61397 [2218] (Opt) D 2022A&A...658A..59X`
Angular size (arcmin):	`7.0 7.0 ~ (Rad) D` `2015ApJ...813...77Y`

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`ACO 209`	`MCXC J0131.8-1336`	`PSZRX G159.84-73.51`	`1RXS J013152.8-133651`
`ACT-CL J0131.8-1336`	`PLCKESZ G159.85-73.47`	`RBS 211`	`XCLASS 97`
`BAX 022.9895-13.5764`	`PSZ1 G159.81-73.47`	`RXC J0131.8-1336`	`[DBG99] 22`
`ClG 0129.5-1350`	`PSZ2 G159.91-73.50`	`RXGCC 74`	`[F81] 50`

References (326 between 1850 and 2026) (Total 326)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

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Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : ACO 209

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ACO 209 RXC J0131.8-1336 1RXS J013152.8-133651

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