Search Results - "Pen, U. L"

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  1. 1

    Erasing the Milky Way: new cleaning technique applied to GBT intensity mapping data by Wolz, L, Blake, C, Abdalla, F B, Anderson, C J, 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 H i intensity mapping data set, obtained by the Green Bank…”
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    Determination of z ∼ 0.8 neutral hydrogen fluctuations using the 21 cm intensity mapping autocorrelation by Switzer, E. R., Masui, K. W., Bandura, K., Calin, L.-M., Chang, T.-C., Chen, X.-L., Li, Y.-C., Liao, Y.-W., Natarajan, A., Pen, U.-L., Peterson, J. B., Shaw, J. R., Voytek, T. C.

    “…The large-scale distribution of neutral hydrogen in the Universe will be luminous through its 21 cm emission. Here, for the first time, we use the auto-power…”
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    INTERPRETING THE UNRESOLVED INTENSITY OF COSMOLOGICALLY REDSHIFTED LINE RADIATION by Switzer, E. R., Chang, T.-C., Masui, K. W., Pen, U.-L., Voytek, T. C.

    Published in The Astrophysical journal (10-12-2015)
    “…ABSTRACT Intensity mapping experiments survey the spectrum of diffuse line radiation rather than detect individual objects at high signal-to-noise ratio…”
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    Low-amplitude clustering in low-redshift 21-cm intensity maps cross-correlated with 2dF galaxy densities by 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

    “…Abstract 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…”
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  5. 5

    Simulating cosmic reionization at large scales - I. The geometry of reionization by Iliev, I. T., Mellema, G., Pen, U.-L., Merz, H., Shapiro, P. R., Alvarez, M. A.

    “…We present the first large-scale radiative transfer simulations of cosmic reionization, in a simulation volume of (100 h −1 Mpc)3. This is more than a two…”
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    Non-Gaussian errors of baryonic acoustic oscillations by Ngan, W., Harnois-Déraps, J., Pen, U.-L., McDonald, P., MacDonald, I.

    “…We revisit the uncertainty in baryon acoustic oscillation (BAO) forecasts and data analyses. In particular, we study how much the uncertainties on both the…”
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    REIONIZATION ON LARGE SCALES. II. DETECTING PATCHY REIONIZATION THROUGH CROSS-CORRELATION OF THE COSMIC MICROWAVE BACKGROUND by Natarajan, A, Battaglia, N, Trac, H, Pen, U-L, Loeb, A

    Published in The Astrophysical journal (20-10-2013)
    “…We investigate the effect of patchy reionization on the cosmic microwave background (CMB) temperature. An anisotropic optical depth [tau](n) alters the TT…”
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    Extended Mosaic Observations with the Cosmic Background Imager by Readhead, A. C. S, Mason, B. S, Contaldi, C. R, Pearson, T. J, Bond, J. R, Myers, S. T, Padin, S, Sievers, J. L, Cartwright, J. K, Shepherd, M. C, Pogosyan, D, Prunet, S, Altamirano, P, Bustos, R, Bronfman, L, Casassus, S, Holzapfel, W. L, May, J, Pen, U.-L, Torres, S, Udomprasert, P. S

    Published in The Astrophysical journal (10-07-2004)
    “…Two years of microwave background observations with the Cosmic Background Imager (CBI) have been combined to give a sensitive, high-resolution angular power…”
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  9. 9

    Halo stochasticity in global clustering analysis by Bonoli, S., Pen, U. L.

    “…Galaxy clustering and cosmic magnification can be used to estimate the dark matter power spectrum if the theoretical relation between the distribution of…”
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    The Sunyaev-Zel'dovich Effect in CMB-calibrated Theories Applied to the Cosmic Background Imager Anisotropy Power at l > 2000 by Bond, J. R, Contaldi, C. R, Pen, U.-L, Pogosyan, D, Prunet, S, Ruetalo, M. I, Wadsley, J. W, Zhang, P, Mason, B. S, Myers, S. T, Pearson, T. J, Readhead, A. C. S, Sievers, J. L, Udomprasert, P. S

    Published in The Astrophysical journal (10-06-2005)
    “…We discuss the nature of the possible high-l excess in the cosmic microwave background (CMB) anisotropy power spectrum observed by the Cosmic Background Imager…”
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    Periodic activity from a fast radio burst source by Amiri, M, Andersen, B. C, Bandura, K. M, Bhardwaj, M, Boyle, P. J, Brar, C, Chawla, P

    Published in Nature (London) (18-06-2020)
    “…Fast radio bursts (FRBs) are bright, millisecond-duration radio transients originating from sources at extragalactic distances 1 , the origin of which is…”
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    Disentangling interstellar plasma screens with pulsar VLBI: combining auto- and cross-correlations by Simard, D, Pen, U-L, Marthi, V R, Brisken, W

    “…Abstract Current methods of measuring distances to pulsar scattering screens rely on a single screen dominating the scintillation pattern. We present a novel…”
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    Burst properties of the highly active FRB20201124A using uGMRT by Marthi, V R, Bethapudi, S, Main, R A, Lin, H-H, Spitler, L G, Wharton, R S, Li, D Z, Gautam, T, Pen, U-L, Hilmarsson, G H

    “…ABSTRACT We report the observations of the highly active FRB20201124A with the upgraded Giant Metrewave Radio Telescope (uGMRT) at 550–750 MHz. These…”
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    Detection of 15 bursts from the fast radio burst 180916.J0158+65 with the upgraded Giant Metrewave Radio Telescope by Marthi, V R, Gautam, T, Li, D Z, Lin, H-H, Main, R A, Naidu, A, Pen, U-L, Wharton, R S

    “…ABSTRACT We report the findings of an upgraded Giant Metrewave Radio Telescope (uGMRT) observing campaign for FRB 180916.J0158+65, which was recently found to…”
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