Value Added Catalog of physical properties of more than 1.3 million galaxies from the DESI Survey

Autor: Siudek, M., Pucha, R., Mezcua, M., Juneau, S., Aguilar, J., Ahlen, S., Brooks, D., Circosta, C., Claybaugh, T., Cole, S., Dawson, K., de la Macorra, A., Dey, Arjun, Dey, Biprateep, Doel, P., Font-Ribera, A., Forero-Romero, J. E., Gaztañaga, E., Gontcho, S. Gontcho A, Gutierrez, G., Honscheid, K., Howlett, C., Ishak, M., Kehoe, R., Kirkby, D., Kisner, T., Kremin, A., Lambert, A., Landriau, M., Guillou, L. Le, Manera, M., Martini, P., Meisner, A., Miquel, R., Moustakas, J., Newman, J. A., Niz, G., Pan, Z., Percival, W. J., Poppett, C., Prada, F., Rossi, G., Saintonge, A., Sanchez, E., Schlegel, D., Scholte, D., Schubnell, M., Seo, H., Speranza, F., Sprayberry, D., Tarle, G., Weaver, B. A., Zou, H.

Aims. We present an extensive catalog of the physical properties of more than a million galaxies within the Dark Energy Spectroscopic Instrument (DESI), one of the largest spectroscopic surveys to date. Spanning over a full variety of target types, i

Externí odkaz: http://arxiv.org/abs/2409.19066

Not all lensing is low: An analysis of DESI$\times$DES using the Lagrangian Effective Theory of LSS

Autor: Chen, S., DeRose, J., Zhou, R., White, M., Ferraro, S., Blake, C., Lange, J. U., Wechsler, R. H., Aguilar, J., Ahlen, S., Brooks, D., Claybaugh, T., Dawson, K., de la Macorra, A., Doel, P., Font-Ribera, A., Gaztañaga, E., Gontcho, S. Gontcho A, Gutierrez, G., Honscheid, K., Howlett, C., Kehoe, R., Kirkby, D., Kisner, T., Kremin, A., Landriau, M., Guillou, L. Le, Manera, M., Meisner, A., Miquel, R., Newman, J. A., Niz, G., Palanque-Delabrouille, N., Percival, W. J., Prada, F., Rossi, G., Sanchez, E., Schlegel, D., Schubnell, M., Sprayberry, D., Tarlé, G., Weaver, B. A.

In this work we use Lagrangian perturbation theory to analyze the harmonic space galaxy clustering signal of Bright Galaxy Survey (BGS) and Luminous Red Galaxies (LRGs) targeted by the Dark Energy Spectroscopic Instrument (DESI), combined with the ga

Externí odkaz: http://arxiv.org/abs/2407.04795

Mitigation of DESI fiber assignment incompleteness effect on two-point clustering with small angular scale truncated estimators

Autor: Pinon, M., de Mattia, A., McDonald, P., Burtin, E., Ruhlmann-Kleider, V., White, M., Bianchi, D., Ross, A. J., Aguilar, J., Ahlen, S., Brooks, D., Cahn, R. N., Chaussidon, E., Claybaugh, T., Cole, S., de la Macorra, A., Dey, B., Doel, P., Fanning, K., Forero-Romero, J. E., Gaztañaga, E., Gontcho, S. Gontcho A, Howlett, C., Kirkby, D., Kisner, T., Kremin, A., Lambert, A., Landriau, M., Lasker, J., Guillou, L. Le, Levi, M. E., Manera, M., Martini, P., Meisner, A., Miquel, R., Moustakas, J., Myers, A. D., Niz, G., Palanque-Delabrouille, N., Percival, W. J., Poppett, C., Rossi, G., Sanchez, E., Schlegel, D., Schubnell, M., Seo, H., Sprayberry, D., Tarlé, G., Vargas-Magaña, M., Weaver, B. A., Zarrouk, P., Zhou, R., Zou, H.

We present a method to mitigate the effects of fiber assignment incompleteness in two-point power spectrum and correlation function measurements from galaxy spectroscopic surveys, by truncating small angular scales from estimators. We derive the corr

Externí odkaz: http://arxiv.org/abs/2406.04804

Archetype-Based Redshift Estimation for the Dark Energy Spectroscopic Instrument Survey

Autor: Anand, Abhijeet, Guy, Julien, Bailey, Stephen, Moustakas, John, Aguilar, J., Ahlen, S., Bolton, A., Brodzeller, A., Brooks, D., Claybaugh, T., Cole, S., Dey, B., Fanning, K., Forero-Romero, J., Gaztañaga, E., Gontcho, S. Gontcho A, Guillou, L. Le, Gutierrez, G., Honscheid, K., Howlett, C., Juneau, S., Kirkby, D., Kisner, T., Kremin, A., Lambert, A., Landriau, M., de la Macorra, A., Manera, M., Meisner, A., Miquel, R., Mueller, E., Niz, G., Palanque-Delabrouille, N., Percival, W., Poppett, C., Prada, F., Raichoor, A., Rezaie, M., Rossi, G., Sanchez, E., Schlafly, E., Schlegel, D., Schubnell, M., Sprayberry, D., Tarlé, G., Warner, C., Weaver, B. A., Zhou, R., Zou, H.

We present a computationally efficient galaxy archetype-based redshift estimation and spectral classification method for the Dark Energy Survey Instrument (DESI) survey. The DESI survey currently relies on a redshift fitter and spectral classifier us

Externí odkaz: http://arxiv.org/abs/2405.19288

The Construction of Large-scale Structure Catalogs for the Dark Energy Spectroscopic Instrument

Autor: Ross, A. J., Aguilar, J., Ahlen, S., Alam, S., Anand, A., Bailey, S., Bianchi, D., Brieden, S., Brooks, D., Burtin, E., Rosell, A. Carnero, Chaussidon, E., Claybaugh, T., Cole, S., Dawson, K., de la Macorra, A., de Mattia, A., Dey, Arjun, Dey, Biprateep, Doel, P., Fanning, K., Ferraro, S., Ereza, J., Font-Ribera, A., Forero-Romero, J. E., Gaztañaga, E., Gil-Marín, H., Gontcho, S. Gontcho A, Gonzalez-Morales, A. X., Guy, J., Hahn, C., Heydenreich, S., Honscheid, K., Howlett, C., Ishak, M., Karim, T., Kirkby, D., Kisner, T., Kong, H., Kremin, A., Krolewski, A., Lambert, A., Landriau, M., Lasker, J., Guillou, L. Le, Levi, M. E., Manera, M., Martini, P., McDonald, P., Meisner, A., Miquel, R., Moon, J., Moustakas, J., Muñoz-Gutiérrez, A., Myers, A. D., Nadathur, S., Napolitano, L., Newman, J. A., Nie, J., Niz, G., Palanque-Delabrouille, N., Percival, W. J., Poppett, C., Prada, F., Raichoor, A., Ravoux, C., Rezaie, M., Rosado-Marin, A., Rossi, G., Samushia, L., Sanchez, E., Schlafly, E. F., Schlegel, D., Seo, H., Smith, A., Sprayberry, D., Tarlé, G., Valcin, D., Vargas-Magaña, M., Weaver, B. A., Wilson, M., Yu, J., Zarrouk, P., Zhao, C., Zhou, R., Zou, H.

We present the technical details on how large-scale structure (LSS) catalogs are constructed from redshifts measured from spectra observed by the Dark Energy Spectroscopic Instrument (DESI). The LSS catalogs provide the information needed to determin

Externí odkaz: http://arxiv.org/abs/2405.16593