Search Results - "Iliev, I.T."

Comparing foreground removal techniques for recovery of the LOFAR-EoR 21 cm power spectrum by Hothi, Ian, Chapman, Emma, Pritchard, Jonathan R, Mertens, F G, Koopmans, L V E, Ciardi, B, Gehlot, B K, Ghara, R, Ghosh, A, Giri, S K, Iliev, I T, Jelić, V, Zaroubi, S

“…ABSTRACT We compare various foreground removal techniques that are being utilized to remove bright foregrounds in various experiments aiming to detect the…”
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pyC 2 Ray: A flexible and GPU-accelerated radiative transfer framework for simulating the cosmic epoch of reionization by Hirling, P., Bianco, M., Giri, S.K., Iliev, I.T., Mellema, G., Kneib, J.-P.

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pyC2Ray: A flexible and GPU-accelerated radiative transfer framework for simulating the cosmic epoch of reionization by Hirling, P., Bianco, M., Giri, S.K., Iliev, I.T., Mellema, G., Kneib, J.-P.

“…Detailed modeling of the evolution of neutral hydrogen in the intergalactic medium during the Epoch of Reionization, 5≤z≤20, is critical in interpreting the…”
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A numerical study of 21-cm signal suppression and noise increase in direction-dependent calibration of LOFAR data by Mevius, M, Mertens, F, Koopmans, L V E, Offringa, A R, Yatawatta, S, Brentjens, M A, Chapman, E, Ciardi, B, Gan, H, Gehlot, B K, Ghara, R, Ghosh, A, Giri, S K, Iliev, I T, Mellema, G, Pandey, V N, Zaroubi, S

“…ABSTRACT We investigate systematic effects in direction-dependent gain calibration in the context of the Low-Frequency Array (LOFAR) 21-cm Epoch of…”
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Constraining the intergalactic medium at $z\approx$ 9.1 using LOFAR Epoch of Reionization observations by Ghara, R., Giri, S.K., Mellema, G., Ciardi, B., Zaroubi, S., Iliev, I.T., Koopmans, L.V.E., Chapman, E., Gazagnes, S., Gehlot, B.K., Ghosh, A., Jelic, V., Mertens, F.G., Mondal, R., Schaye, J., Silva, M.B., Asad, K.M.B., Kooistra, R., Mevius, M., Offringa, A.R., Pandey, V.N., Yatawatta, S.

“…We derive constraints on the thermal and ionization states of the intergalactic medium (IGM) at redshift ≈ 9.1 using new upper limits on the 21-cm power…”
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Improved upper limits on the 21-cm signal power spectrum of neutral hydrogen at $\boldsymbol{z \approx 9.1}$ from LOFAR by Mertens, F.G., Mevius, M., Koopmans, L.V.E, Offringa, A.R., Mellema, G., Zaroubi, S., Brentjens, M.A., Gan, H., Gehlot, B.K., Pandey, V.N., Sardarabadi, A.M., Vedantham, H.K., Yatawatta, S., Asad, K.M.B., Ciardi, B., Chapman, E., Gazagnes, S., Ghara, R., Ghosh, A., Giri, S.K., Iliev, I.T., Jelíc, V., Kooistra, R., Mondal, R., Schaye, J., Silva, M.B.

“…A new upper limit on the 21 cm signal power spectrum at a redshift of z ≈ 9.1 is presented, based on 141 h of data obtained with the Low-Frequency Array…”
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