Zobrazeno 1 - 10
of 1 097
pro vyhledávání: '"Sievers J"'
Autor:
Breuer, J. P., Werner, N., Mernier, F., Umetsu, K., Simionescu, A., Devlin, M., Di Mascolo, L., Dibblee-Barkman, T., Dicker, S., Mason, B. S., Mroczkowski, T., Romero, C., Sarazin, C. L., Sievers, J.
We present the results of Chandra and XMM-Newton X-ray imaging and spatially-resolved spectroscopy, as well as new MUSTANG2 90~GHz observations of the thermal Sunyaev-Zeldovich from MACS J0717.5+3745, an intermediate redshift ($z = 0.5458$) and excep
Externí odkaz:
http://arxiv.org/abs/2411.08103
Autor:
Monsalve, R. A., Altamirano, C., Bidula, V., Bustos, R., Bye, C. H., Chiang, H. C., Diaz, M., Fernandez, B., Guo, X., Hendricksen, I., Hornecker, E., Lucero, F., Mani, H., McGee, F., Mena, F. P., Pessoa, M., Prabhakar, G., Restrepo, O., Sievers, J. L., Thyagarajan, N.
Publikováno v:
Monthly Notices of the Royal Astronomical Society, Volume 530, Issue 4, June 2024, Pages 4125-4147
The observation of the global 21 cm signal produced by neutral hydrogen gas in the intergalactic medium (IGM) during the Dark Ages, Cosmic Dawn, and Epoch of Reionization requires measurements with extremely well-calibrated wideband radiometers. We d
Externí odkaz:
http://arxiv.org/abs/2309.02996
Autor:
Navarro-Almaida, D., Bop, C. T., Lique, F., Esplugues, G., Rodríguez-Baras, M., Kramer, C., Romero, C. E., Fuente, A., Caselli, P., Riviére-Marichalar, P., Kirk, J. M., Chacón-Tanarro, A., Roueff, E., Mroczkowski, T., Bhandarkar, T., Devlin, M., Dicker, S., Lowe, I., Mason, B., Sarazin, C. L., Sievers, J.
Publikováno v:
A&A 670, A110 (2023)
HCN, HNC, and their isotopologues are ubiquitous molecules that can serve as chemical thermometers and evolutionary tracers to characterize star-forming regions. Despite their importance in carrying information that is vital to studies of the chemist
Externí odkaz:
http://arxiv.org/abs/2212.07675
Autor:
Mena-Parra, J., Leung, C., Cary, S., Masui, K. W., Kaczmarek, J. F., Amiri, M., Bandura, K., Boyle, P. J., Cassanelli, T., Cliche, J. -F., Dobbs, M., Kaspi, V. M., Landecker, T. L., Lanman, A., Sievers, J. L.
The Canadian Hydrogen Intensity Mapping Experiment (CHIME) has emerged as the prime telescope for detecting fast radio bursts (FRBs). CHIME/FRB Outriggers will be a dedicated very-long-baseline interferometry (VLBI) instrument consisting of outrigger
Externí odkaz:
http://arxiv.org/abs/2110.00576
Autor:
Andreon, S., Romero, C., Castagna, F., Ragagnin, A., Devlin, M., Dicker, S., Mason, B., Mroczkowski, T., Sarazin, C., Sievers, J., Stanchfield, S.
We present resolved thermodynamic profiles out to 500 kpc, about $r_{500}$, of the $z=1.75$ galaxy cluster IDCS J1426.5+3508 with 40 kpc resolution. Thanks to the combination of Sunyaev-Zel'dovich and X-ray datasets, IDCS J1426.5+3508 becomes the mos
Externí odkaz:
http://arxiv.org/abs/2106.11327
Autor:
Dyson, T., Chiang, H. C., Egan, E., Ghazi, N., Menard, T., Monsalve, R. A., Moso, T., Peterson, J., Sievers, J. L., Tartakovsky, S.
The frequencies of interest for redshifted 21 cm observations are heavily affected by terrestrial radio-frequency interference (RFI). We identify the McGill Arctic Research Station (MARS) as a new RFI-quiet site and report its RFI occupancy using 122
Externí odkaz:
http://arxiv.org/abs/2012.06521
Autor:
Chiang, H. C., Dyson, T., Egan, E., Eyono, S., Ghazi, N., Hickish, J., Jauregui-Garcia, J. M., Manukha, V., Menard, T., Moso, T., Peterson, J., Philip, L., Sievers, J. L., Tartakovsky, S.
Measurements of redshifted 21-cm emission of neutral hydrogen at <30 MHz have the potential to probe the cosmic "dark ages," a period of the universe's history that remains unobserved to date. Observations at these frequencies are exceptionally chall
Externí odkaz:
http://arxiv.org/abs/2008.12208
Autor:
Cepeda-Arroita, R., Harper, S., Dickinson, C., Rubiño-Martín, J. A., Génova-Santos, R. T., Taylor, Angela C., Pearson, T. J., Ashdown, M., Barr, A., Barreiro, R. B., Casaponsa, B., Casas, F. J., Chiang, H. C., Fernandez-Cobos, R., Grumitt, R. D. P., Guidi, F., Heilgendorff, H. M., Herranz, D., Jew, L. R. P., Jonas, J. L., Jones, Michael E., Lasenby, A., Leech, J., Leahy, J. P., Martínez-González, E., Peel, M. W., Poidevin, F., Piccirillo, L., Readhead, A. C. S., Rebolo, R., Ruiz-Granados, B., Sievers, J., Vansyngel, F., Vielva, P., Watson, R. A.
Anomalous Microwave Emission (AME) is a significant component of Galactic diffuse emission in the frequency range $10$-$60\,$GHz and a new window into the properties of sub-nanometre-sized grains in the interstellar medium. We investigate the morphol
Externí odkaz:
http://arxiv.org/abs/2001.07159
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Autor:
Vanderlinde, K., Bandura, K., Belostotski, L., Bond, R., Boyle, P., Brown, J., Chiang, H. C., Dobbs, M., Gaensler, B., Hinshaw, G., Kaspi, V., Landecker, T., Liu, A., Masui, K., Mena-Parra, J., Ng, C., Pen, U., Rupen, M., Sievers, J., Smith, K., Spekkens, K., Stairs, I., Turok, N.
The Canadian Hydrogen Observatory and Radio-transient Detector (CHORD) is a next-generation radio telescope, proposed for construction to start immediately. CHORD is a pan-Canadian project, designed to work with and build on the success of the Canadi
Externí odkaz:
http://arxiv.org/abs/1911.01777