Zobrazeno 1 - 10
of 168
pro vyhledávání: '"Lunde J"'
Autor:
San, M., Galloway, M., Gjerløw, E., Watts, D. J., Aurlien, R., Basyrov, A., Brilenkov, M., Eriksen, H. K., Fuskeland, U., Hergt, L. T., Herman, D., Ihle, H. T., Lunde, J. G. S., Næss, S. K., Stutzer, N. -O., Thommesen, H., Wehus, I. K.
We present an improved zodiacal light model for COBE-DIRBE derived through global Bayesian analysis within the Cosmoglobe Data Release 2 framework. The parametric form of the ZL model is identical to that introduced by Kelsall et al. (1998), but the
Externí odkaz:
http://arxiv.org/abs/2408.11004
Autor:
Watts, D. J., Galloway, M., Gjerløw, E., San, M., Aurlien, R., Basyrov, A., Brilenkov, M., Eriksen, H. K., Fuskeland, U., Hergt, L. T., Herman, D., Ihle, H. T., Lunde, J. G. S., Næss, S. K., Stutzer, N. -O., Thommesen, H., Wehus, I. K.
We present the first global Bayesian analysis of the time-ordered DIRBE data within the Cosmoglobe framework, building on the same methodology that has previously been successfully applied to Planck LFI and WMAP. These data are analyzed jointly with
Externí odkaz:
http://arxiv.org/abs/2408.10952
Autor:
Chung, D. T., Breysse, P. C., Cleary, K. A., Dunne, D. A., Lunde, J. G. S., Padmanabhan, H., Stutzer, N. -O., Tolgay, D., Bond, J. R., Church, S. E., Eriksen, H. K., Gaier, T., Gundersen, J. O., Harper, S. E., Harris, A. I., Hobbs, R., Ihle, H. T., Kim, J., Lamb, J. W., Lawrence, C. R., Murray, N., Pearson, T. J., Philip, L., Readhead, A. C. S., Rennie, T. J., Wehus, I. K., Woody, D. P.
Publikováno v:
A&A 691, A337 (2024)
The Carbon monOxide Mapping Array Project (COMAP) Pathfinder survey continues to demonstrate the feasibility of line-intensity mapping using high-redshift carbon monoxide (CO) line emission traced at cosmological scales. The latest COMAP Pathfinder p
Externí odkaz:
http://arxiv.org/abs/2406.07512
Autor:
Stutzer, N. -O., Lunde, J. G. S., Breysse, P. C., Chung, D. T., Cleary, K. A., Dunne, D. A., Eriksen, H. K., Ihle, H. T., Padmanabhan, H., Tolgay, D., Wehus, I. K., Bond, J. R., Church, S. E., Gaier, T., Gundersen, J. O., Harris, A. I., Harper, S. E., Hobbs, R., Kim, J., Lamb, J. W., Lawrence, C. R., Murray, N., Pearson, T. J., Philip, L., Readhead, A. C. S., Rennie, T. J., Woody, D. P.
Publikováno v:
A&A 691, A336 (2024)
We present updated constraints on the cosmological 3D power spectrum of carbon monoxide CO(1-0) emission in the redshift range $2.4$-$3.4$. The constraints are derived from the two first seasons of Carbon monOxide Mapping Array Project (COMAP) Pathfi
Externí odkaz:
http://arxiv.org/abs/2406.07511
Autor:
Lunde, J. G. S., Stutzer, N. -O., Breysse, P. C., Chung, D. T., Cleary, K. A., Dunne, D. A., Eriksen, H. K., Harper, S. E., Ihle, H. T., Lamb, J. W., Pearson, T. J., Philip, L., Wehus, I. K., Woody, D. P., Bond, J. R., Church, S. E., Gaier, T., Gundersen, J. O., Harris, A. I., Hobbs, R., Kim, J., Lawrence, C. R., Murray, N., Padmanabhan, H., Readhead, A. C. S., Rennie, T. J., Tolgay, D.
Publikováno v:
A&A 691, A335 (2024)
The CO Mapping Array Project (COMAP) Pathfinder is performing line intensity mapping of CO emission to trace the distribution of unresolved galaxies at redshift $z \sim 3$. We present an improved version of the COMAP data processing pipeline and appl
Externí odkaz:
http://arxiv.org/abs/2406.07510
Autor:
Watts, D. J., Galloway, M., Gjerløw, E., San, M., Aurlien, R., Basyrov, A., Brilenkov, M., Eriksen, H. K., Fuskeland, U., Herman, D., Ihle, H. T., Lunde, J. G. S., Næss, S. K., Stutzer, N. -O., Thommesen, H., Wehus, I. K.
We derive new constraints on the CIB monopole spectrum from a set of reprocessed COBE-DIRBE sky maps that have lower instrumental and astrophysical contamination than the legacy DIRBE maps. These maps have been generated through a global Bayesian ana
Externí odkaz:
http://arxiv.org/abs/2406.01491
Autor:
Basyrov, A., Stutzer, N. O., Lunde, J. G. S., Eriksen, H. K., Gjerløw, E., Watts, D. J., Wehus, I. K.
Publikováno v:
A&A 688, A166 (2024)
We revisit the impact of finite time responses of bolometric detectors used for deep observations of the cosmic microwave background (CMB). Until now, bolometer transfer functions have been accounted for through a two-step procedure by first deconvol
Externí odkaz:
http://arxiv.org/abs/2405.07729
Autor:
Watts, D. J., Fuskeland, U., Aurlien, R., Basyrov, A., Bianchi, L. A., Brilenkov, M., Eriksen, H. K., Fornazier, K. S. F., Galloway, M., Gjerløw, E., Hensley, B., Hergt, L. T., Herman, D., Ihle, H., Lee, K., Lunde, J. G. S., Nerval, S. K., San, M., Stutzer, N. O., Thommesen, H., Wehus, I. K.
Publikováno v:
A&A 686, A297 (2024)
We present the first model of full-sky polarized synchrotron emission that is derived from all WMAP and Planck LFI frequency maps. The basis of this analysis is the set of end-to-end reprocessed Cosmoglobe Data Release 1 sky maps presented in a compa
Externí odkaz:
http://arxiv.org/abs/2310.13740
Autor:
Eskilt, J. R., Lee, K., Watts, D. J., Anshul, V., Aurlien, R., Basyrov, A., Bersanelli, M., Colombo, L. P. L., Eriksen, H. K., Fornazier, K. S. F., Fuskeland, U., Galloway, M., Gjerløw, E., Hergt, L. T., Ihle, H. T., Lunde, J. G. S., Marins, A., Nerval, S. K., Paradiso, S., Rahman, F., San, M., Stutzer, N. -O., Wehus, I. K.
Publikováno v:
A&A 678, A169 (2023)
We implement support for a cosmological parameter estimation algorithm as proposed by Racine et al. (2016) in Commander, and quantify its computational efficiency and cost. For a semi-realistic simulation similar to Planck LFI 70 GHz, we find that th
Externí odkaz:
http://arxiv.org/abs/2306.15511
Autor:
Eskilt, J. R., Watts, D. J., Aurlien, R., Basyrov, A., Bersanelli, M., Brilenkov, M., Colombo, L. P. L., Eriksen, H. K., Fornazier, K. S. F., Franceschet, C., Fuskeland, U., Galloway, M., Gjerløw, E., Hensley, B., Hergt, L. T., Herman, D., Ihle, H. T., Lee, K., Lunde, J. G. S., Nerval, S. K., Paradiso, S., Patel, S. K., Rahman, F., Regnier, M., San, M., Sanyal, S., Stutzer, N. -O., Thommesen, H., Verma, A., Wehus, I. K., Zhou, Y.
Cosmic birefringence is a parity-violating effect that might have rotated the plane of linearly polarized light of the cosmic microwave background (CMB) by an angle $\beta$ since its emission. This has recently been measured to be non-zero at a stati
Externí odkaz:
http://arxiv.org/abs/2305.02268