Maddox, S. J., Dunne, L., Rigby, E., Eales, Stephen Anthony  ORCID: https://orcid.org/0000-0002-7394-426X, Cooray, A., Scott, D., Peacock, J. A., Negrello, M., Smith, D. J. B., Benford, D., Amblard, A., Auld, Robbie Richard, Baes, M., Bonfield, D., Burgarella, D., Buttiglione, S., Cava, A., Clements, D., Dariush, Aliakbar, de Zotti, G., Dye, Simon, Frayer, D., Fritz, J., Gonzalez-Nuevo, J., Herranz, D., Ibar, E., Ivison, R., Jarvis, M. J., Lagache, G., Leeuw, L., Lopez-Caniego, M., Pascale, Enzo ORCID: https://orcid.org/0000-0002-3242-8154, Pohlen, Michael, Rodighiero, G., Samui, S., Serjeant, S., Temi, P., Thompson, M. and Verma, A.
2010.
Herschel-ATLAS: The angular correlation function of submillimetre galaxies at high and low redshift [Letter].
Astronomy and Astrophysics
518
, L11.
10.1051/0004-6361/201014663
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Abstract
We present measurements of the angular correlation function of galaxies selected from the first field of the H-ATLAS survey. Careful removal of the background from galactic cirrus is essential, and currently dominates the uncertainty in our measurements. For our 250 μm-selected sample we detect no significant clustering, consistent with the expectation that the 250 μm-selected sources are mostly normal galaxies at z 1. For our 350 μm and 500 μm-selected samples we detect relatively strong clustering with correlation amplitudes A of 0.2 and 1.2 at 1', but with relatively large uncertainties. For samples which preferentially select high redshift galaxies at z~2–3 we detect significant strong clustering, leading to an estimate of r0 ~ 7–11 h-1 Mpc. The slope of our clustering measurements is very steep, δ ~ 2. The measurements are consistent with the idea that sub-mm sources consist of a low redshift population of normal galaxies and a high redshift population of highly clustered star-bursting galaxies.
| Item Type: | Article |
|---|---|
| Date Type: | Publication |
| Status: | Published |
| Schools: | Schools > Physics and Astronomy |
| Subjects: | Q Science > QB Astronomy |
| Uncontrolled Keywords: | submillimeter: galaxies, galaxies: statistics |
| Additional Information: | 5 pp. |
| Publisher: | EDP Sciences |
| ISSN: | 0004-6361 |
| Last Modified: | 26 May 2023 15:59 |
| URI: | https://orca.cardiff.ac.uk/id/eprint/19802 |
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