ALMA Observations of SPT-Discovered, Strongly Lensed, Dusty, Star-Forming Galaxies
We present Atacama Large Millimeter/submillimeter Array (ALMA) 860 micrometer imaging of four high-redshift (z=2.8-5.7) dusty sources that were detected using the South Pole Telescope (SPT) at 1.4 mm and are not seen in existing radio to far-infrared catalogs. At 1.5 arcsec resolution, the ALMA data...
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| creator | Hezaveh, Y D Marrone, D P Fassnacht, C D Spilker, J S Vieira, J D Aguirre, J E Aird, K A Aravena, M Ashby, M L N Bayliss, M Benson, B A Bleem, L E Bothwell, M Brodwin, M Carlstrom, J E Chang, C L Chapman, S C Crawford, T M Crites, A T De Breuck, C de Haan, T Dobbs, M A Fomalont, E B George, E M Gladders, M D Gonzalez, A H Greve, T R Halverson, N W High, F W Holder, G P Holzapfel, W L Hoover, S Hrubes, J D Husband, K Hunter, T R Keisler, R Lee, A T Leitch, E M Lueker, M Luong-Van, D Malkan, M McIntyre, V McMahon, J J Mehl, J Menten, K M Meyer, S S Mocanu, L M Murphy, E J Natoli, T Padin, S Plagge, T Reichardt, C L Rest, A Ruel, J Ruhl, J E Sharon, K Schaffer, K K Shaw, L Shirokoff, E Stalder, B Staniszewski, Z Stark, A A Story, K Vanderlinde, K Weiß, A Welikala, N Williamson, R |
| description | We present Atacama Large Millimeter/submillimeter Array (ALMA) 860 micrometer imaging of four high-redshift (z=2.8-5.7) dusty sources that were detected using the South Pole Telescope (SPT) at 1.4 mm and are not seen in existing radio to far-infrared catalogs. At 1.5 arcsec resolution, the ALMA data reveal multiple images of each submillimeter source, separated by 1-3 arcsec, consistent with strong lensing by intervening galaxies visible in near-IR imaging of these sources. We describe a gravitational lens modeling procedure that operates on the measured visibilities and incorporates self-calibration-like antenna phase corrections as part of the model optimization, which we use to interpret the source structure. Lens models indicate that SPT0346-52, located at z=5.7, is one of the most luminous and intensely star-forming sources in the universe with a lensing corrected FIR luminosity of 3.7 X 10^13 L_sun and star formation surface density of 4200 M_sun yr^-1 kpc^-2. We find magnification factors of 5 to 22, with lens Einstein radii of 1.1-2.0 arcsec and Einstein enclosed masses of 1.6-7.2x10^11 M_sun. These observations confirm the lensing origin of these objects, allow us to measure the their intrinsic sizes and luminosities, and demonstrate the important role that ALMA will play in the interpretation of lensed submillimeter sources. |
| doi_str_mv | 10.48550/arxiv.1303.2722 |
| format | Article |
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At 1.5 arcsec resolution, the ALMA data reveal multiple images of each submillimeter source, separated by 1-3 arcsec, consistent with strong lensing by intervening galaxies visible in near-IR imaging of these sources. We describe a gravitational lens modeling procedure that operates on the measured visibilities and incorporates self-calibration-like antenna phase corrections as part of the model optimization, which we use to interpret the source structure. Lens models indicate that SPT0346-52, located at z=5.7, is one of the most luminous and intensely star-forming sources in the universe with a lensing corrected FIR luminosity of 3.7 X 10^13 L_sun and star formation surface density of 4200 M_sun yr^-1 kpc^-2. We find magnification factors of 5 to 22, with lens Einstein radii of 1.1-2.0 arcsec and Einstein enclosed masses of 1.6-7.2x10^11 M_sun. These observations confirm the lensing origin of these objects, allow us to measure the their intrinsic sizes and luminosities, and demonstrate the important role that ALMA will play in the interpretation of lensed submillimeter sources.</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.1303.2722</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Galaxies ; Gravitational lenses ; Infrared imaging ; Luminosity ; Near infrared radiation ; Optimization ; Physics - Cosmology and Nongalactic Astrophysics ; Radio telescopes ; Red shift ; Self calibration ; South Pole ; Star & galaxy formation ; Star formation ; Sun ; Universe</subject><ispartof>arXiv.org, 2013-03</ispartof><rights>2013. This work is published under http://arxiv.org/licenses/nonexclusive-distrib/1.0/ (the “License”). 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At 1.5 arcsec resolution, the ALMA data reveal multiple images of each submillimeter source, separated by 1-3 arcsec, consistent with strong lensing by intervening galaxies visible in near-IR imaging of these sources. We describe a gravitational lens modeling procedure that operates on the measured visibilities and incorporates self-calibration-like antenna phase corrections as part of the model optimization, which we use to interpret the source structure. Lens models indicate that SPT0346-52, located at z=5.7, is one of the most luminous and intensely star-forming sources in the universe with a lensing corrected FIR luminosity of 3.7 X 10^13 L_sun and star formation surface density of 4200 M_sun yr^-1 kpc^-2. We find magnification factors of 5 to 22, with lens Einstein radii of 1.1-2.0 arcsec and Einstein enclosed masses of 1.6-7.2x10^11 M_sun. These observations confirm the lensing origin of these objects, allow us to measure the their intrinsic sizes and luminosities, and demonstrate the important role that ALMA will play in the interpretation of lensed submillimeter sources.</description><subject>Galaxies</subject><subject>Gravitational lenses</subject><subject>Infrared imaging</subject><subject>Luminosity</subject><subject>Near infrared radiation</subject><subject>Optimization</subject><subject>Physics - Cosmology and Nongalactic Astrophysics</subject><subject>Radio telescopes</subject><subject>Red shift</subject><subject>Self calibration</subject><subject>South Pole</subject><subject>Star & galaxy formation</subject><subject>Star 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Z</creatorcontrib><creatorcontrib>Stark, A A</creatorcontrib><creatorcontrib>Story, K</creatorcontrib><creatorcontrib>Vanderlinde, K</creatorcontrib><creatorcontrib>Weiß, A</creatorcontrib><creatorcontrib>Welikala, N</creatorcontrib><creatorcontrib>Williamson, R</creatorcontrib><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection (ProQuest)</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>arXiv.org</collection><jtitle>arXiv.org</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hezaveh, Y D</au><au>Marrone, D P</au><au>Fassnacht, C D</au><au>Spilker, J S</au><au>Vieira, J D</au><au>Aguirre, J E</au><au>Aird, K A</au><au>Aravena, M</au><au>Ashby, M L N</au><au>Bayliss, M</au><au>Benson, B A</au><au>Bleem, L E</au><au>Bothwell, M</au><au>Brodwin, M</au><au>Carlstrom, J E</au><au>Chang, C L</au><au>Chapman, S C</au><au>Crawford, T M</au><au>Crites, A T</au><au>De Breuck, C</au><au>de Haan, T</au><au>Dobbs, M A</au><au>Fomalont, E B</au><au>George, E M</au><au>Gladders, M D</au><au>Gonzalez, A H</au><au>Greve, T R</au><au>Halverson, N W</au><au>High, F W</au><au>Holder, G P</au><au>Holzapfel, W L</au><au>Hoover, S</au><au>Hrubes, J D</au><au>Husband, K</au><au>Hunter, T R</au><au>Keisler, R</au><au>Lee, A T</au><au>Leitch, E M</au><au>Lueker, M</au><au>Luong-Van, D</au><au>Malkan, M</au><au>McIntyre, V</au><au>McMahon, J J</au><au>Mehl, J</au><au>Menten, K M</au><au>Meyer, S S</au><au>Mocanu, L M</au><au>Murphy, E J</au><au>Natoli, T</au><au>Padin, S</au><au>Plagge, T</au><au>Reichardt, C L</au><au>Rest, A</au><au>Ruel, J</au><au>Ruhl, J E</au><au>Sharon, K</au><au>Schaffer, K K</au><au>Shaw, L</au><au>Shirokoff, E</au><au>Stalder, B</au><au>Staniszewski, Z</au><au>Stark, A A</au><au>Story, K</au><au>Vanderlinde, K</au><au>Weiß, A</au><au>Welikala, N</au><au>Williamson, R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>ALMA Observations of SPT-Discovered, Strongly Lensed, Dusty, Star-Forming Galaxies</atitle><jtitle>arXiv.org</jtitle><date>2013-03-11</date><risdate>2013</risdate><eissn>2331-8422</eissn><abstract>We present Atacama Large Millimeter/submillimeter Array (ALMA) 860 micrometer imaging of four high-redshift (z=2.8-5.7) dusty sources that were detected using the South Pole Telescope (SPT) at 1.4 mm and are not seen in existing radio to far-infrared catalogs. At 1.5 arcsec resolution, the ALMA data reveal multiple images of each submillimeter source, separated by 1-3 arcsec, consistent with strong lensing by intervening galaxies visible in near-IR imaging of these sources. We describe a gravitational lens modeling procedure that operates on the measured visibilities and incorporates self-calibration-like antenna phase corrections as part of the model optimization, which we use to interpret the source structure. Lens models indicate that SPT0346-52, located at z=5.7, is one of the most luminous and intensely star-forming sources in the universe with a lensing corrected FIR luminosity of 3.7 X 10^13 L_sun and star formation surface density of 4200 M_sun yr^-1 kpc^-2. We find magnification factors of 5 to 22, with lens Einstein radii of 1.1-2.0 arcsec and Einstein enclosed masses of 1.6-7.2x10^11 M_sun. These observations confirm the lensing origin of these objects, allow us to measure the their intrinsic sizes and luminosities, and demonstrate the important role that ALMA will play in the interpretation of lensed submillimeter sources.</abstract><cop>Ithaca</cop><pub>Cornell University Library, arXiv.org</pub><doi>10.48550/arxiv.1303.2722</doi><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | EISSN: 2331-8422 |
| ispartof | arXiv.org, 2013-03 |
| issn | 2331-8422 |
| language | eng |
| recordid | cdi_arxiv_primary_1303_2722 |
| source | arXiv.org; Free E- Journals |
| subjects | Galaxies Gravitational lenses Infrared imaging Luminosity Near infrared radiation Optimization Physics - Cosmology and Nongalactic Astrophysics Radio telescopes Red shift Self calibration South Pole Star & galaxy formation Star formation Sun Universe |
| title | ALMA Observations of SPT-Discovered, Strongly Lensed, Dusty, Star-Forming Galaxies |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-15T06%3A46%3A43IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_arxiv&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=ALMA%20Observations%20of%20SPT-Discovered,%20Strongly%20Lensed,%20Dusty,%20Star-Forming%20Galaxies&rft.jtitle=arXiv.org&rft.au=Hezaveh,%20Y%20D&rft.date=2013-03-11&rft.eissn=2331-8422&rft_id=info:doi/10.48550/arxiv.1303.2722&rft_dat=%3Cproquest_arxiv%3E2082803122%3C/proquest_arxiv%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=2082803122&rft_id=info:pmid/&rfr_iscdi=true |