X-ray Emission from Two Infrared-selected Galaxy Clusters at z > 1.4 in the IRAC Shallow Cluster Survey
We report the X-ray detection of two z > 1.4 infrared-selected galaxy clusters from the IRAC Shallow Cluster Survey (ISCS). We present new data from the Hubble Space Telescope and the W. M. Keck Observatory that spectroscopically confirm cluster ISCS J1432.4+3250 at z = 1.49, the most distant of...
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| Veröffentlicht in: | The Astrophysical journal 2011-05, Vol.732 (1), p.33-jQuery1323909106973='48' |
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| creator | Brodwin, M Stern, D Vikhlinin, A Stanford, S. A Gonzalez, A. H Eisenhardt, P. R Ashby, M. L. N Bautz, M Dey, A Forman, W. R Gettings, D Hickox, R. C Jannuzi, B. T Jones, C Mancone, C Miller, E. D Moustakas, L. A Ruel, J Snyder, G Zeimann, G |
| description | We report the X-ray detection of two z > 1.4 infrared-selected galaxy clusters from the IRAC Shallow Cluster Survey (ISCS). We present new data from the Hubble Space Telescope and the W. M. Keck Observatory that spectroscopically confirm cluster ISCS J1432.4+3250 at z = 1.49, the most distant of 18 confirmed z > 1 clusters in the ISCS to date. We also present new spectroscopy for ISCS J1438.1+3414, previously reported at z = 1.41, and measure its dynamical mass. Clusters ISCS J1432.4+3250 and ISCS J1438.1+3414 are detected in 36 ks and 143 ks Chandra exposures at significances of 5.2 Delta *s and 9.7 Delta *s, from which we measure total masses of and 14.35 +0.14 -- 0.11, respectively. The consistency of the X-ray and dynamical properties of these high-redshift clusters further demonstrates that the ISCS is robustly detecting massive clusters to at least z = 1.5. |
| doi_str_mv | 10.1088/0004-637X/732/1/33 |
| format | Article |
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A ; Gonzalez, A. H ; Eisenhardt, P. R ; Ashby, M. L. N ; Bautz, M ; Dey, A ; Forman, W. R ; Gettings, D ; Hickox, R. C ; Jannuzi, B. T ; Jones, C ; Mancone, C ; Miller, E. D ; Moustakas, L. A ; Ruel, J ; Snyder, G ; Zeimann, G</creator><creatorcontrib>Brodwin, M ; Stern, D ; Vikhlinin, A ; Stanford, S. A ; Gonzalez, A. H ; Eisenhardt, P. R ; Ashby, M. L. N ; Bautz, M ; Dey, A ; Forman, W. R ; Gettings, D ; Hickox, R. C ; Jannuzi, B. T ; Jones, C ; Mancone, C ; Miller, E. D ; Moustakas, L. A ; Ruel, J ; Snyder, G ; Zeimann, G</creatorcontrib><description>We report the X-ray detection of two z > 1.4 infrared-selected galaxy clusters from the IRAC Shallow Cluster Survey (ISCS). We present new data from the Hubble Space Telescope and the W. M. Keck Observatory that spectroscopically confirm cluster ISCS J1432.4+3250 at z = 1.49, the most distant of 18 confirmed z > 1 clusters in the ISCS to date. We also present new spectroscopy for ISCS J1438.1+3414, previously reported at z = 1.41, and measure its dynamical mass. Clusters ISCS J1432.4+3250 and ISCS J1438.1+3414 are detected in 36 ks and 143 ks Chandra exposures at significances of 5.2 Delta *s and 9.7 Delta *s, from which we measure total masses of and 14.35 +0.14 -- 0.11, respectively. 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A</creatorcontrib><creatorcontrib>Ruel, J</creatorcontrib><creatorcontrib>Snyder, G</creatorcontrib><creatorcontrib>Zeimann, G</creatorcontrib><title>X-ray Emission from Two Infrared-selected Galaxy Clusters at z > 1.4 in the IRAC Shallow Cluster Survey</title><title>The Astrophysical journal</title><description>We report the X-ray detection of two z > 1.4 infrared-selected galaxy clusters from the IRAC Shallow Cluster Survey (ISCS). We present new data from the Hubble Space Telescope and the W. M. Keck Observatory that spectroscopically confirm cluster ISCS J1432.4+3250 at z = 1.49, the most distant of 18 confirmed z > 1 clusters in the ISCS to date. We also present new spectroscopy for ISCS J1438.1+3414, previously reported at z = 1.41, and measure its dynamical mass. Clusters ISCS J1432.4+3250 and ISCS J1438.1+3414 are detected in 36 ks and 143 ks Chandra exposures at significances of 5.2 Delta *s and 9.7 Delta *s, from which we measure total masses of and 14.35 +0.14 -- 0.11, respectively. The consistency of the X-ray and dynamical properties of these high-redshift clusters further demonstrates that the ISCS is robustly detecting massive clusters to at least z = 1.5.</description><subject>ASTROPHYSICS, COSMOLOGY AND ASTRONOMY</subject><subject>Clusters</subject><subject>Consistency</subject><subject>DETECTION</subject><subject>ELECTROMAGNETIC RADIATION</subject><subject>EMISSION</subject><subject>Galaxies</subject><subject>GALAXY CLUSTERS</subject><subject>Hubble Space Telescope</subject><subject>IONIZING RADIATIONS</subject><subject>Observatories</subject><subject>RADIATION DETECTION</subject><subject>RADIATIONS</subject><subject>Spectroscopy</subject><subject>X RADIATION</subject><subject>X-RAY DETECTION</subject><subject>X-rays</subject><issn>0004-637X</issn><issn>1538-4357</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp90UtLAzEQB_AgCtbHF_AU8KAe1ua9m4sgRWuhINgeegtpHnZlu6nJ1lo_vbtUvQg9DQO_GZj5A3CB0S1GRdFHCLFM0HzWzynp4z6lB6CHOS0yRnl-CHp_4BicpPTWtUTKHnidZVFv4cOyTKkMNfQxLOF0E-Co9lFHZ7PkKmcaZ-FQV_pzCwfVOjUuJqgb-AXvIL5lsKxhs3Bw9HI_gJOFrqqw-XVwso4fbnsGjryukjv_qadg-vgwHTxl4-fhaHA_zgzDpMk0N1ILbr1FkhPGC2-4Lzx3mDAptBHWGC84ldYZzayxKC_mSBNJ7LzQkp6Cy93akJpSJVM2zixMqOv2BEUwz5lgnbraqVUM72uXGtWeb1xV6dqFdVKSoFwikYtWXu-VWOSYUN7-sqVkR00MKUXn1SqWSx23CiPVhaS6p6suA9WGpLCitB262Q2VYfXn_zu1sr612X-7Z_c3Wf-eCQ</recordid><startdate>20110501</startdate><enddate>20110501</enddate><creator>Brodwin, M</creator><creator>Stern, D</creator><creator>Vikhlinin, A</creator><creator>Stanford, S. 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T</au><au>Jones, C</au><au>Mancone, C</au><au>Miller, E. D</au><au>Moustakas, L. A</au><au>Ruel, J</au><au>Snyder, G</au><au>Zeimann, G</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>X-ray Emission from Two Infrared-selected Galaxy Clusters at z > 1.4 in the IRAC Shallow Cluster Survey</atitle><jtitle>The Astrophysical journal</jtitle><date>2011-05-01</date><risdate>2011</risdate><volume>732</volume><issue>1</issue><spage>33</spage><epage>jQuery1323909106973='48'</epage><pages>33-jQuery1323909106973='48'</pages><issn>0004-637X</issn><eissn>1538-4357</eissn><abstract>We report the X-ray detection of two z > 1.4 infrared-selected galaxy clusters from the IRAC Shallow Cluster Survey (ISCS). We present new data from the Hubble Space Telescope and the W. M. Keck Observatory that spectroscopically confirm cluster ISCS J1432.4+3250 at z = 1.49, the most distant of 18 confirmed z > 1 clusters in the ISCS to date. We also present new spectroscopy for ISCS J1438.1+3414, previously reported at z = 1.41, and measure its dynamical mass. Clusters ISCS J1432.4+3250 and ISCS J1438.1+3414 are detected in 36 ks and 143 ks Chandra exposures at significances of 5.2 Delta *s and 9.7 Delta *s, from which we measure total masses of and 14.35 +0.14 -- 0.11, respectively. The consistency of the X-ray and dynamical properties of these high-redshift clusters further demonstrates that the ISCS is robustly detecting massive clusters to at least z = 1.5.</abstract><cop>United States</cop><pub>IOP Publishing</pub><doi>10.1088/0004-637X/732/1/33</doi></addata></record> |
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| subjects | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY Clusters Consistency DETECTION ELECTROMAGNETIC RADIATION EMISSION Galaxies GALAXY CLUSTERS Hubble Space Telescope IONIZING RADIATIONS Observatories RADIATION DETECTION RADIATIONS Spectroscopy X RADIATION X-RAY DETECTION X-rays |
| title | X-ray Emission from Two Infrared-selected Galaxy Clusters at z > 1.4 in the IRAC Shallow Cluster Survey |
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