Preprint typeset using L ATEX style emulateapj v. 10/09/06 GALAXY CLUSTERS DISCOVERED WITH A SUNYAEV-ZEL’DOVICH EFFECT SURVEY
The South Pole Telescope (SPT) is conducting a Sunyaev-Zel’dovich (SZ) effect survey over large areas of the southern sky, searching for massive galaxy clusters to high redshift. In this preliminary study, we focus on a 40 deg 2 area targeted by the Blanco Cosmology Survey (BCS), which is centered r...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.244.2535 2023-05-15T18:22:55+02:00 Preprint typeset using L ATEX style emulateapj v. 10/09/06 GALAXY CLUSTERS DISCOVERED WITH A SUNYAEV-ZEL’DOVICH EFFECT SURVEY The Pennsylvania State University CiteSeerX Archives 810 application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.244.2535 http://arxiv.org/pdf/0810.1578v2.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.244.2535 http://arxiv.org/pdf/0810.1578v2.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://arxiv.org/pdf/0810.1578v2.pdf text ftciteseerx 2016-01-07T19:22:08Z The South Pole Telescope (SPT) is conducting a Sunyaev-Zel’dovich (SZ) effect survey over large areas of the southern sky, searching for massive galaxy clusters to high redshift. In this preliminary study, we focus on a 40 deg 2 area targeted by the Blanco Cosmology Survey (BCS), which is centered roughly at right ascension 5h30m, declination −53 ◦ (J2000). Over two seasons of observations, this entire region has been mapped by the SPT at 95 GHz, 150 GHz, and 225 GHz. We report the four most significant SPT detections of SZ clusters in this field, three of which were previously unknown and, therefore, represent the first galaxy clusters discovered with an SZ survey. The SZ clusters are detected as decrements with greater than 5σ significance in the high-sensitivity 150 GHz SPT map. The SZ spectrum of these sources is confirmed by detections of decrements at the corresponding locations in the 95 GHz SPT map and non-detections at those locations in the 225 GHz SPT map. Multiband optical images from the BCS survey demonstrate significant concentrations of similarly colored galaxies at the positions of the SZ detections. Photometric redshift estimates from the BCS data indicate that two of the clusters lie at moderate redshift (z ∼ 0.4) and two at high redshift (z � 0.8). One of the SZ detections was previously identified as a galaxy cluster in the optical as part Text South pole Unknown Blanco ENVELOPE(-55.233,-55.233,-61.250,-61.250) South Pole |
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The South Pole Telescope (SPT) is conducting a Sunyaev-Zel’dovich (SZ) effect survey over large areas of the southern sky, searching for massive galaxy clusters to high redshift. In this preliminary study, we focus on a 40 deg 2 area targeted by the Blanco Cosmology Survey (BCS), which is centered roughly at right ascension 5h30m, declination −53 ◦ (J2000). Over two seasons of observations, this entire region has been mapped by the SPT at 95 GHz, 150 GHz, and 225 GHz. We report the four most significant SPT detections of SZ clusters in this field, three of which were previously unknown and, therefore, represent the first galaxy clusters discovered with an SZ survey. The SZ clusters are detected as decrements with greater than 5σ significance in the high-sensitivity 150 GHz SPT map. The SZ spectrum of these sources is confirmed by detections of decrements at the corresponding locations in the 95 GHz SPT map and non-detections at those locations in the 225 GHz SPT map. Multiband optical images from the BCS survey demonstrate significant concentrations of similarly colored galaxies at the positions of the SZ detections. Photometric redshift estimates from the BCS data indicate that two of the clusters lie at moderate redshift (z ∼ 0.4) and two at high redshift (z � 0.8). One of the SZ detections was previously identified as a galaxy cluster in the optical as part |
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The Pennsylvania State University CiteSeerX Archives |
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Text |
title |
Preprint typeset using L ATEX style emulateapj v. 10/09/06 GALAXY CLUSTERS DISCOVERED WITH A SUNYAEV-ZEL’DOVICH EFFECT SURVEY |
spellingShingle |
Preprint typeset using L ATEX style emulateapj v. 10/09/06 GALAXY CLUSTERS DISCOVERED WITH A SUNYAEV-ZEL’DOVICH EFFECT SURVEY |
title_short |
Preprint typeset using L ATEX style emulateapj v. 10/09/06 GALAXY CLUSTERS DISCOVERED WITH A SUNYAEV-ZEL’DOVICH EFFECT SURVEY |
title_full |
Preprint typeset using L ATEX style emulateapj v. 10/09/06 GALAXY CLUSTERS DISCOVERED WITH A SUNYAEV-ZEL’DOVICH EFFECT SURVEY |
title_fullStr |
Preprint typeset using L ATEX style emulateapj v. 10/09/06 GALAXY CLUSTERS DISCOVERED WITH A SUNYAEV-ZEL’DOVICH EFFECT SURVEY |
title_full_unstemmed |
Preprint typeset using L ATEX style emulateapj v. 10/09/06 GALAXY CLUSTERS DISCOVERED WITH A SUNYAEV-ZEL’DOVICH EFFECT SURVEY |
title_sort |
preprint typeset using l atex style emulateapj v. 10/09/06 galaxy clusters discovered with a sunyaev-zel’dovich effect survey |
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url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.244.2535 http://arxiv.org/pdf/0810.1578v2.pdf |
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ENVELOPE(-55.233,-55.233,-61.250,-61.250) |
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Blanco South Pole |
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Blanco South Pole |
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South pole |
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South pole |
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http://arxiv.org/pdf/0810.1578v2.pdf |
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http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.244.2535 http://arxiv.org/pdf/0810.1578v2.pdf |
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Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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