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Herschel-ATLAS/GAMA : SDSS cross-correlation induced by weak lensing

J González-Nuevo, A Lapi, M Negrello, L Danese, G De Zotti, S Amber, Maarten Baes (UGent) , J Bland-Hawthorn, N Bourne, S Brough, et al.
(2014) MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. 442(3). p.2680-2690
Author
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Abstract
We report a highly significant (> 10 sigma) spatial correlation between galaxies with S-350 mu m a parts per thousand yen 30 mJy detected in the equatorial fields of the Herschel Astrophysical Terahertz Large Area Survey (H-ATLAS) with estimated redshifts a parts per thousand(3) 1.5, and Sloan Digital Sky Survey (SDSS) or Galaxy And Mass Assembly (GAMA) galaxies at 0.2 a parts per thousand currency sign z a parts per thousand currency sign 0.6. The significance of the cross-correlation is much higher than those reported so far for samples with non-overlapping redshift distributions selected in other wavebands. Extensive, realistic simulations of clustered sub-mm galaxies amplified by foreground structures confirm that the cross-correlation can be explained by weak gravitational lensing (mu < 2). The simulations also show that the measured amplitude and range of angular scales of the signal are larger than can be accounted for by galaxy-galaxy weak lensing. However, for scales a parts per thousand(2) 2 arcmin, the signal can be reproduced if SDSS/GAMA galaxies act as signposts of galaxy groups/clusters with halo masses in the range 10(13.2)-10(14.5) M-aS (TM). The signal detected on larger scales appears to reflect the clustering of such haloes.
Keywords
cosmology: observations, methods: statistical, large-scale structure of Universe, infrared: galaxies, LARGE-SCALE STRUCTURE, DIGITAL SKY SURVEY, SCIENCE DEMONSTRATION PHASE, ANGULAR-CORRELATION FUNCTION, LENSED SUBMILLIMETER GALAXY, AZTEC MILLIMETER SURVEY, STELLAR MASS FUNCTIONS, HERSCHEL-ATLAS, HIGH-REDSHIFT, COSMIC MAGNIFICATION

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Citation

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MLA
González-Nuevo, J., et al. “Herschel-ATLAS/GAMA : SDSS Cross-Correlation Induced by Weak Lensing.” MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, vol. 442, no. 3, 2014, pp. 2680–90, doi:10.1093/mnras/stu1041.
APA
González-Nuevo, J., Lapi, A., Negrello, M., Danese, L., De Zotti, G., Amber, S., … Xia, J. (2014). Herschel-ATLAS/GAMA : SDSS cross-correlation induced by weak lensing. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 442(3), 2680–2690. https://doi.org/10.1093/mnras/stu1041
Chicago author-date
González-Nuevo, J, A Lapi, M Negrello, L Danese, G De Zotti, S Amber, Maarten Baes, et al. 2014. “Herschel-ATLAS/GAMA : SDSS Cross-Correlation Induced by Weak Lensing.” MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 442 (3): 2680–90. https://doi.org/10.1093/mnras/stu1041.
Chicago author-date (all authors)
González-Nuevo, J, A Lapi, M Negrello, L Danese, G De Zotti, S Amber, Maarten Baes, J Bland-Hawthorn, N Bourne, S Brough, RS Bussmann, ZY Cai, A Cooray, SP Driver, L Dunne, S Dye, S Eales, E Ibar, R Ivison, J Liske, J Loveday, S Maddox, MJ Michałowski, ASG Robotham, D Scott, MWL Smith, E Valiante, and JQ Xia. 2014. “Herschel-ATLAS/GAMA : SDSS Cross-Correlation Induced by Weak Lensing.” MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 442 (3): 2680–2690. doi:10.1093/mnras/stu1041.
Vancouver
1.
González-Nuevo J, Lapi A, Negrello M, Danese L, De Zotti G, Amber S, et al. Herschel-ATLAS/GAMA : SDSS cross-correlation induced by weak lensing. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. 2014;442(3):2680–90.
IEEE
[1]
J. González-Nuevo et al., “Herschel-ATLAS/GAMA : SDSS cross-correlation induced by weak lensing,” MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, vol. 442, no. 3, pp. 2680–2690, 2014.
@article{5921139,
  abstract     = {{We report a highly significant (> 10 sigma) spatial correlation between galaxies with S-350 mu m a parts per thousand yen 30 mJy detected in the equatorial fields of the Herschel Astrophysical Terahertz Large Area Survey (H-ATLAS) with estimated redshifts a parts per thousand(3) 1.5, and Sloan Digital Sky Survey (SDSS) or Galaxy And Mass Assembly (GAMA) galaxies at 0.2 a parts per thousand currency sign z a parts per thousand currency sign 0.6. The significance of the cross-correlation is much higher than those reported so far for samples with non-overlapping redshift distributions selected in other wavebands. Extensive, realistic simulations of clustered sub-mm galaxies amplified by foreground structures confirm that the cross-correlation can be explained by weak gravitational lensing (mu < 2). The simulations also show that the measured amplitude and range of angular scales of the signal are larger than can be accounted for by galaxy-galaxy weak lensing. However, for scales a parts per thousand(2) 2 arcmin, the signal can be reproduced if SDSS/GAMA galaxies act as signposts of galaxy groups/clusters with halo masses in the range 10(13.2)-10(14.5) M-aS (TM). The signal detected on larger scales appears to reflect the clustering of such haloes.}},
  author       = {{González-Nuevo, J and Lapi, A and Negrello, M and Danese, L and De Zotti, G and Amber, S and Baes, Maarten and Bland-Hawthorn, J and Bourne, N and Brough, S and Bussmann, RS and Cai, ZY and Cooray, A and Driver, SP and Dunne, L and Dye, S and Eales, S and Ibar, E and Ivison, R and Liske, J and Loveday, J and Maddox, S and Michałowski, MJ and Robotham, ASG and Scott, D and Smith, MWL and Valiante, E and Xia, JQ}},
  issn         = {{0035-8711}},
  journal      = {{MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY}},
  keywords     = {{cosmology: observations,methods: statistical,large-scale structure of Universe,infrared: galaxies,LARGE-SCALE STRUCTURE,DIGITAL SKY SURVEY,SCIENCE DEMONSTRATION PHASE,ANGULAR-CORRELATION FUNCTION,LENSED SUBMILLIMETER GALAXY,AZTEC MILLIMETER SURVEY,STELLAR MASS FUNCTIONS,HERSCHEL-ATLAS,HIGH-REDSHIFT,COSMIC MAGNIFICATION}},
  language     = {{eng}},
  number       = {{3}},
  pages        = {{2680--2690}},
  title        = {{Herschel-ATLAS/GAMA : SDSS cross-correlation induced by weak lensing}},
  url          = {{http://doi.org/10.1093/mnras/stu1041}},
  volume       = {{442}},
  year         = {{2014}},
}
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