Zobrazeno 1 - 10
of 107
pro vyhledávání: '"Wolz, L"'
Autor:
Weltman, A., Bull, P., Camera, S., Kelley, K., Padmanabhan, H., Pritchard, J., Raccanelli, A., Riemer-Sørensen, S., Shao, L., Andrianomena, S., Athanassoula, E., Bacon, D., Barkana, R., Bertone, G., Bonvin, C., Bosma, A., Brüggen, M., Burigana, C., Bœhm, C., Calore, F., Cembranos, J. A. R., Clarkson, C., Connors, R. M. T., de la Cruz-Dombriz, Á., Dunsby, P. K. S., Fonseca, J., Fornengo, N., Gaggero, D., Harrison, I., Larena, J., Ma, Y. -Z., Maartens, R., Méndez-Isla, M., Mohanty, S. D., Murray, S. G., Parkinson, D., Pourtsidou, A., Quinn, P. J., Regis, M., Saha, P., Sahlén, M., Sakellariadou, M., Silk, J., Trombetti, T., Vazza, F., Venumadhav, T., Vidotto, F., Villaescusa-Navarro, F., Wang, Y., Weniger, C., Wolz, L., Zhang, F., Gaensler, B. M.
Publikováno v:
Publ. Astron. Soc. Aust. 37 (2020) e002
The Square Kilometre Array (SKA) is a planned large radio interferometer designed to operate over a wide range of frequencies, and with an order of magnitude greater sensitivity and survey speed than any current radio telescope. The SKA will address
Externí odkaz:
http://arxiv.org/abs/1810.02680
HI intensity mapping data traces the large-scale structure matter distribution using the integrated emission of neutral hydrogen gas (HI). The cross-correlation of the intensity maps with optical galaxy surveys can mitigate foreground and systematic
Externí odkaz:
http://arxiv.org/abs/1803.02477
Autor:
Anderson, C. J., Luciw, N. J., Li, Y. -C., Kuo, C. -Y., Yadav, J., Masui, K. W., Chang, T. -C., Chen, X., Oppermann, N., Liao, Y. -W., Pen, U. -L., Price, D. C., Staveley-Smith, L., Switzer, E. R., Timbie, P. T., Wolz, L.
We report results from 21-cm intensity maps acquired from the Parkes radio telescope and cross-correlated with galaxy maps from the 2dF galaxy survey. The data span the redshift range $0.057
Externí odkaz:
http://arxiv.org/abs/1710.00424
We propose an innovative method for measuring the neutral hydrogen (HI) content of an optically-selected spectroscopic sample of galaxies through cross-correlation with HI intensity mapping measurements. We show that the HI-galaxy cross-power spectru
Externí odkaz:
http://arxiv.org/abs/1703.08268
Intensity mapping of the neutral hydrogen (HI) is a new observational tool that can be used to efficiently map the large-scale structure of the Universe over wide redshift ranges. The power spectrum of the intensity maps contains cosmological informa
Externí odkaz:
http://arxiv.org/abs/1512.04189
Autor:
Wolz, L., Blake, C., Abdalla, F. B., Anderson, C. M., Chang, T. -C., Li, Y. -C., Masui, K. W., Switzer, E., Pen, U. -L., Voytek, T. C., Yadav, J.
We present the first application of a new foreground removal pipeline to the current leading HI intensity mapping dataset, obtained by the Green Bank Telescope (GBT). We study the 15hr and 1hr field data of the GBT observations previously presented i
Externí odkaz:
http://arxiv.org/abs/1510.05453
We model a 21 cm intensity mapping survey in the redshift range 0.01
Externí odkaz:
http://arxiv.org/abs/1310.8144
Publikováno v:
MNRAS (December 11, 2013) 436 (3): 1993-2003
Next-generation radio interferometric telescopes will exhibit non-coplanar baseline configurations and wide field-of-views, inducing a w-modulation of the sky image, which in turn induces the spread spectrum effect. We revisit the impact of this effe
Externí odkaz:
http://arxiv.org/abs/1307.3424
Autor:
Soumagnac, M. T., Abdalla, F. B., Lahav, O., Kirk, D., Sevilla, I., Bertin, E., Rowe, B. T. P., Annis, J., Busha, M. T., Da Costa, L. N., Frieman, J. A., Gaztanaga, E., Jarvis, M., Lin, H., Percival, W. J., Santiago, B. X., Sabiu, C. G., Wechsler, R. H., Wolz, L., Yanny, B.
We address the problem of separating stars from galaxies in future large photometric surveys. We focus our analysis on simulations of the Dark Energy Survey (DES). In the first part of the paper, we derive the science requirements on star/galaxy sepa
Externí odkaz:
http://arxiv.org/abs/1306.5236
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