J/A+A/vol/page Weak Lensing, optical, X-ray cluster search (Dietrich+, 2007) ================================================================================ BLOX: The Bonn Lensing, Optical, and X-ray selected galaxy clusters - I. Cluster catalog construction Dietrich, J.P., Erben, T., Lamer, G., Schneider, P., Schwope, A., Hartlap, J., Maturi, M. =2003A&A...VVV.ppppI (SIMBAD/NED BibCode) ================================================================================ ADC_Keywords: Clusters, galaxy - Gravitational lensing - X-ray sources Keywords: Gravitational lensing - Galaxies: clusters: general - X-rays: galaxies: clusters - Catalogs - Surveys Abstract: The mass function of galaxy clusters is an important cosmological probe. Differences in the selection method could potentially lead to biases when determining the mass function. From the optical and X-ray data of the XMM-Newton Follow-Up Survey, we obtain a sample of galaxy cluster candidates using weak gravitational lensing, the optical Postman matched filter method, and a search for extended X-ray sources. We develop our weak lensing search criteria by testing the performance of the aperture mass statistic on realistic ray-tracing simulations matching our survey parameters and comparing two filter functions. We find that the dominant noise source for our survey is shape noise and that spurious cluster detection due to projections of large-scale structures are negligible. Our full cluster catalog has 155 cluster candidates, 116 found with the Postman matched filter, 59 extended X-ray sources, and 31 shear selected potential clusters. Most of these cluster candidates were not previously known. The present catalog will be a solid foundation for studying possible selection effects in either method. Description: Galaxy cluster candidates in the XMM-Newton Follow-Up Survey detected with X-ray, optical matched filter, and weak lensing methods. Table 1 is the list of all cluster candidates in this survey with any method. This table lists the cluster candidates' names, positions, and provides information on which methods led to a detection. Individual detection parameters are given in Table 2 (X-ray), Table 3 (optical matched filter), and Table 4 (weak lensing). File Summary: -------------------------------------------------------------------------------- FileName Lrecl Records Explanations -------------------------------------------------------------------------------- ReadMe 80 . This file table1.dat 58 155 Catalog of all cluster candidates table2.dat 82 59 X-ray selected cluster candidates table3.dat 57 116 Optically selected cluster candidates table4.dat 52 31 Weak lensing selected cluster candidates -------------------------------------------------------------------------------- Byte-by-byte Description of file: table1.dat -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1- 19 A19 --- Name Name of cluster candidate 21- 22 I2 h RAh Right ascension (J2000) 24- 25 I2 min RAm Right ascension (J2000) 27- 30 F4.1 s RAs Right ascension (J2000) 32 A1 --- DE- Declination sign 33- 34 I2 deg DEd Declination (J2000) 36- 37 I2 arcmin DEm Declination (J2000) 39- 40 I2 arcsec DEs Declination (J2000) 42 I1 --- NoXray Number of X-ray sources for this cluster 44 I1 --- NoOptical Number of matched filter sources for this cluster 46 I1 --- NoLensing Number of weak lensing sources for this cluster 48- 52 F5.1 --- z Redshift from literature 54- 58 A5 --- Notes Notes on cluster (1) -------------------------------------------------------------------------------- Note (1): Notes on individual clusters: 1 Optical Position 2 SDSS CE J045.509975-00.099065 of Goto et al. (2002) 3 X-ray Position 4 RX J0505.3-2849 of Burke et al. (2003) 5 RX J0505.9-2841 6 Vikhlinin et al. (1998), spectroscopic redshift from Mullis et al. (1998) 7 Probably part of BLOX J0506.0-2840 8 RBS 0864 of Allen et al. (1992) 9 MS 1054.3-0321 (Gioia et al. 1990, Gioia & Luppino 1994) 10 Association of M_ap Cluster is unclear 11 [BGV2006] 028 of Barkhouse et al. (2006) 12 RX J1117.4+0743 13 CXOMP J111730.2+074618 of Barkhouse et al. (2006) 14 RX J1138.7+0315 15 RX J1213.5+0253 16 NCSC J121407+023642 of Lopes et al. (2004) with a photometric redshift estimate 17 SDSS CE J191.220871-00.560489 of Goto et al. (2002) 18 SDSS CE J191.220749-00.444507 of Goto et al. (2002) 19 SDSS CE J205.412231+00.303271 of Goto et al. (2002) 20 LP96 Cl 1341-0006 of Lidman & Peterson (1996) 21 J1836.14RC of Lidman & Peterson (1996) 22 SDSS CE J206.064102-00.169585 of Goto et al. (2002) 23 SDSS CE J206.236862-00.646019 of Goto et al. (2002) 24 Found on X-ray observations of neighboring Field 864-6 25 XMM2DF J134511.9-000953 of Basilakos et al. (2004) 26 BPG2004 J206.363-00.438 of Basilakos et al. (2004) 27 SDSS CE J213.532593-00.276487 of Goto et al. (2002) 28 Possibly associated with A 1882 29 Probably part of MKW 9 at z=0.040 30 MKW 9 31 XMMXCS J2215.9-1738 of Stanford et al. (2006) 32 CFHTLS-CL-J221606-175132 of Olsen et al. (2007) 33 CFHTLS-CL-J221620-173224 of Olsen et al. (2007) -------------------------------------------------------------------------------- Byte-by-byte Description of file: table2.dat -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1- 19 A19 --- Name Name of cluster candidate 21- 22 I2 h RAh Right ascension (J2000) 24- 25 I2 min RAm Right ascension (J2000) 27- 30 F4.1 s RAs Right ascension (J2000) 32 A1 --- DE- Declination sign 33- 34 I2 deg DEd Declination (J2000) 36- 37 I2 arcmin DEm Declination (J2000) 39- 40 I2 arcsec DEs Declination (J2000) 42- 50 F9.1 --- detML Detection likelihood 52- 59 F8.1 --- extML Extent likelihood 61- 64 F4.1 arcsec ext Extend 66- 68 F3.1 arcsec extErr Extend error 70- 75 F6.2 1e-14erg/s/cm^2 flux Flux (0.5-2 keV) 77- 80 F4.1 1e-14erg/s/cm^2 fluxErr Flux error (0.5-2 keV) 82 A1 --- grade Grade of cluster (+, o, -) -------------------------------------------------------------------------------- Byte-by-byte Description of file: table3.dat -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1- 19 A19 --- Name Name of cluster candidate 21- 22 I2 h RAh Right ascension (J2000) 24- 25 I2 min RAm Right ascension (J2000) 27- 30 F4.1 s RAs Right ascension (J2000) 32 A1 --- DE- Declination sign 33- 34 I2 deg DEd Declination (J2000) 36- 37 I2 arcmin DEm Declination (J2000) 39- 40 I2 arcsec DEs Declination (J2000) 42- 45 F4.1 --- sigma Significance of detection 47- 49 F3.1 --- z Estimated redshift 51- 55 F5.1 --- Lambda_cl Cluster richness 57 A1 --- grade Grade of cluster (+, o, -) -------------------------------------------------------------------------------- Note (1): The properties reported for clusters BLOX J1023.6+0411.1 and BLOX J1022.9+0411.9 are averages of their independent detections in the RBS 0864-N and RBS 0864-S pointing. -------------------------------------------------------------------------------- Byte-by-byte Description of file: table4.dat -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1- 19 A19 --- Name Name of cluster candidate 21- 22 I2 h RAh Right ascension (J2000) 24- 25 I2 min RAm Right ascension (J2000) 27- 30 F4.1 s RAs Right ascension (J2000) 32 A1 --- DE- Declination sign 33- 34 I2 deg DEd Declination (J2000) 36- 37 I2 arcmin DEm Declination (J2000) 39- 40 I2 arcsec DEs Declination (J2000) 42- 44 F3.1 --- sigma Significance of detection 46- 49 I4 kpc/h radius Radius of filter function 51- 52 I2 --- n_filter No. of filter radii this cluster was detected -------------------------------------------------------------------------------- References: Allen, S.W. et al. 1992 (1992MNRAS.259...67A) Barkhouse, W.A. et al. 2006 (2006ApJ...645..955B) Basilakos, S. et al. 2004 (2004MNRAS.351..989B) Burke, D.J. et al. 2003 (2003MNRAS.341.1093B) Gioia, I.M. et al. 1990 (1990ApJS...72..567G) Gioia, I.M. & Luppino, G.A. 1994 (1994ApJS...94..583G) Goto, T. et al. 2002 (2002AJ....123.1807G) Lidman, C.E. & Peterson, B.A. 1996 (1996AJ....112.2454L) Lopes, P.A.A. et al. 2004 (2004AJ....128.1017L) Mullis, C.R. et al. 2003 (2003ApJ...594..154M) Olsen, L.F. et al. 2006 (2007A&A...461...81O) Stanford, S.A. et al. 2006 (2006ApJ...646L..13S) Vikhlinin, A. et al. 1998 (1998ApJ...502..558V) ================================================================================ (End) J.P. Dietrich [AIfA, University of Bonn] 07-Feb-2007