The impact of diffuse Galactic emission on direction-independent gain calibration in high-redshift 21 cm observations

Authors: Höfer, C., Koopmans, L. V. E., Brackenhoff, S. A., Ceccotti, E., Chege, K., Ghosh, S., Mertens, F. G., Mevius, M., Munshi, S., Offringa, A. R.

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2504.03554

Robust direction-dependent gain-calibration of beam-modelling errors far from the target field

Authors: Brackenhoff, S. A., Offringa, A. R., Mevius, M., Koopmans, L. V. E., Chege, J. K., Ceccotti, E., Höfer, C., Gao, L., Ghosh, S., Mertens, F. G., Munshi, S.

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/2504.02483

Near field imaging of local interference in radio interferometric data: Impact on the redshifted 21-cm power spectrum

Authors: Munshi, S., Mertens, F. G., Koopmans, L. V. E., Mevius, M., Offringa, A. R., Semelin, B., Viou, C., Bracco, A., Brackenhoff, S. A., Ceccotti, E., Chege, J. K., Fialkov, A., Gao, L. Y., Ghara, R., Ghosh, S., Shaw, A. K., Zarka, P., Zaroubi, S., Cecconi, B., Corbel, S., Girard, J. N., Griessmeier, J. M., Konovalenko, O., Loh, A., Tokarsky, P., Ulyanov, O., Zakharenko, V.

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/2503.21728

Square Kilometre Array Science Data Challenge 3a: foreground removal for an EoR experiment

Authors: Bonaldi, A., Hartley, P., Braun, R., Purser, S., Acharya, A., Ahn, K., Resco, M. Aparicio, Bait, O., Bianco, M., Chakraborty, A., Chapman, E., Chatterjee, S., Chege, K., Chen, H., Chen, X., Chen, Z., Conaboy, L., Cruz, M., Darriba, L., De Santis, M., Denzel, P., Diao, K., Feron, J., Finlay, C., Gehlot, B., Ghosh, S., Giri, S. K., Grumitt, R., Hong, S. E., Ito, T., Jiang, M., Jordan, C., Kim, S., Kim, M., Kim, J., Krishna, S. P., Kulkarni, A., López-Caniego, M., Labadie-García, I., Lee, H., Lee, D., Lee, N., Line, J., Liu, Y., Mao, Y., Mazumder, A., Mertens, F. G., Munshi, S., Nasirudin, A., Ni, S., Nistane, V., Norregaard, C., Null, D., Offringa, A., Oh, M., Oh, S. -H., Parkinson, D., Pritchard, J., Ruiz-Granda, M., López, V. Salvador, Shan, H., Sharma, R., Trott, C., Yoshiura, S., Zhang, L., Zhang, X., Zheng, Q., Zhu, Z., Zuo, S., Akahori, T., Alberto, P., Allys, E., An, T., Anstey, D., Baek, J., Basavraj, Brackenhoff, S., Browne, P., Ceccotti, E., Chen, T., Choudhuri, S., Choudhury, M., Coles, J., Cook, J., Cornu, D., Cunnington, S., Das, S., Acedo, E. De Lera, is, J. -M. Delou, Deng, F., Ding, J., Elahi, K. M. A., Fernandez, P., Fernández, C., Alcázar, A. Fernández, Galluzzi, V., Gao, L. -Y., Garain, U., Garrido, J., Gendron-Marsolais, M. -L., Gessey-Jones, T., Ghorbel, H., Gong, Y., Guo, S., Hasegawa, K., Hayashi, T., Herranz, D., Holanda, V., Holloway, A. J., Hothi, I., Höfer, C., Jelić, V., Jiang, Y., Jiang, X., Kang, H., Kim, J. -Y., Koopmans, L. V., Lacroix, R., Lee, E., Leeney, S., Levrier, F., Li, Y., Ma, Q., Meriot, R., Mesinger, A., Mevius, M., Minoda, T., Miville-Deschenes, M. -A., Moldon, J., Mondal, R., Murmu, C., Murray, S., SR, Nirmala, Niu, Q ., Nunhokee, C., O'Hara, O., Pal, S. K., Pal, S., Park, J., Parra, M., tra, N. N. Pa, Pindor, B., Remazeilles, M., Rey, P., Rubino-Martin, J. A., Saha, S., Selvaraj, A., Semelin, B., Shah, R., Shao, Y., Shaw, A. K., Shi, F., Shimabukuro, H., Singh, G., Sohn, B. W., Stagni, M., Starck, J. -L., Sui, C., Swinbank, J. D., Sánchez, J., Sánchez-Expósito, S., Takahashi, K., Takeuchi, T., Tripathi, A., Verdes-Montenegro, L., Vielva, P., Vitello, F. R., Wang, G. -J., Wang, Q., Wang, X., Wang, Y., Wang, Y. -X., Wiegert, T., Wild, A., Williams, W. L., Wolz, L., Wu, X., Wu, P., Xia, J. -Q., Xu, Y., Yan, R., Yan, Y. -P.

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/2503.11740

Deeper multi-redshift upper limits on the Epoch of Reionization 21-cm signal power spectrum from LOFAR between z=8.3 and z=10.1

Authors: Mertens, F. G., Mevius, M., Koopmans, L. V. E., Offringa, A. R., Zaroubi, S., Acharya, A., Brackenhoff, S. A., Ceccotti, E., Chapman, E., Chege, K., Ciardi, B., Ghara, R., Ghosh, S., Giri, S. K., Hothi, I., Höfer, C., Iliev, I. T., Jelić, V., Ma, Q., Mellema, G., Munshi, S., Pandey, V. N., Yatawatta, S.

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/2503.05576

Spectral modelling of Cygnus A between 110 and 250 MHz. Impact on the LOFAR 21-cm signal power spectrum

Authors: Ceccotti, E., Offringa, A. R., Koopmans, L. V. E., Mertens, F. G., Mevius, M., Acharya, A., Brackenhoff, S. A., Ciardi, B., Gehlot, B. K., Ghara, R., Chege, J. K., Ghosh, S., Höfer, C., Hothi, I., Iliev, I. T., McKean, J. P., Munshi, S., Zaroubi, S.

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2502.18459

Ionospheric contributions to the excess power in high-redshift 21-cm power-spectrum observations with LOFAR

Authors: Brackenhoff, S. A., Mevius, M., Koopmans, L. V. E., Offringa, A., Ceccotti, E., Chege, J. K., Gehlot, B. K., Ghosh, S., Höfer, C., Mertens, F. G., Munshi, S., Zaroubi, S.

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2407.20220

The impact of lossy data compression on the power spectrum of the high redshift 21-cm signal with LOFAR

Authors: Chege, J. K., Koopmans, L. V. E., Offringa, A. R., Gehlot, B. K., Brackenhoff, S. A., Ceccotti, E., Ghosh, S., Höfer, C., Mertens, F. G., Mevius, M., Munshi, S.

Source: A&A 692, A211 (2024)

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2407.11557

Beyond the horizon: Quantifying the full sky foreground wedge in the cylindrical power spectrum

Authors: Munshi, S., Mertens, F. G., Koopmans, L. V. E., Offringa, A. R., Ceccotti, E., Brackenhoff, S. A., Chege, J. K., Gehlot, B. K., Ghosh, S., Höfer, C., Mevius, M.

Source: A&A 693, A276 (2025)

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2407.10686

First upper limits on the 21 cm signal power spectrum from cosmic dawn from one night of observations with NenuFAR

Authors: Munshi, S., Mertens, F. G., Koopmans, L. V. E., Offringa, A. R., Semelin, B., Aubert, D., Barkana, R., Bracco, A., Brackenhoff, S. A., Cecconi, B., Ceccotti, E., Corbel, S., Fialkov, A., Gehlot, B. K., Ghara, R., Girard, J. N., Grießmeier, J. M., Höfer, C., Hothi, I., Mériot, R., Mevius, M., Ocvirk, P., Shaw, A. K., Theureau, G., Yatawatta, S., Zarka, P., Zaroubi, S.

Source: A&A 681, A62 (2024)

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2311.05364

Transient RFI environment of LOFAR-LBA at 72-75 MHz: Impact on ultra-widefield AARTFAAC Cosmic Explorer observations of the redshifted 21-cm signal

Authors: Gehlot, B. K., Koopmans, L. V. E., Brackenhoff, S. A., Ceccotti, E., Ghosh, S., Höfer, C., Mertens, F. G., Mevius, M., Munshi, S., Offringa, A. R., Pandey, V. N., Rowlinson, A., Shulevski, A., Wijers, R. A. M. J., Yatawatta, S., Zaroubi, S.

Source: A&A 681, A71 (2024)

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2311.03023

A novel radio imaging method for physical spectral index modelling

Authors: Ceccotti, E., Offringa, A. R., Koopmans, L. V. E., Timmerman, R., Brackenhoff, S. A., Gehlot, B. K., Mertens, F. G., Munshi, S., Pandey, V. N., van Weeren, R. J., Yatawatta, S., Zaroubi, S.

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2308.07306

Assessing the impact of two independent direction-dependent calibration algorithms on the LOFAR 21-cm signal power spectrum

Authors: Gan, H., Mertens, F. G., Koopmans, L. V. E., Offringa, A. R., Mevius, M., Pandey, V. N., Brackenhoff, S. A., Ceccotti, E., Ciardi, B., Gehlot, B. K., Ghara, R., Giri, S. K., Iliev, I. T., Munshi, S.

Source: A&A 669, A20 (2023)

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2209.07854

Valorisation diagnosis of waste from the decontamination of phosphogypsum leachates through a combined calcium carbonate/hydroxide process

Authors: Soto-Cruz, F.J. ^{a, ⁎}, Pérez-Moreno, S.M. ^b, Ceccotti, E. ^b, Barba-Lobo, A. ^b, Bolívar, J.P. ^b, Casas-Ruiz, M. ^a, Gázquez, M.J. ^a

Source: In Heliyon 15 May 2024 10(9)

Ionospheric contributions to the excess power in high-redshift 21-cm power-spectrum observations with LOFAR.

Authors: Brackenhoff, S A¹, brackenhoff@astro.rug.nl, Mevius, M², Koopmans, L V E¹, Offringa, A^1,2, Ceccotti, E¹, Chege, J K¹, Gehlot, B K¹, Ghosh, S¹, Höfer, C¹, Mertens, F G^1,3, Munshi, S¹, Zaroubi, S^1,4

Source: Monthly Notices of the Royal Astronomical Society; Sep2024, Vol. 533 Issue 1, p632-656, 25p

A novel radio imaging method for physical spectral index modelling.

Authors: Ceccotti, E¹, ceccotti@astro.rug.nl, Offringa, A R^1,2, Koopmans, L V E¹, Timmerman, R³, Brackenhoff, S A¹, Gehlot, B K¹, Mertens, F G⁴, Munshi, S¹, Pandey, V N^1,2, van Weeren, R J³, Yatawatta, S², Zaroubi, S^1,5,6

Source: Monthly Notices of the Royal Astronomical Society; Nov2023, Vol. 525 Issue 3, p3946-3962, 17p

Sindrome del nevo basocelular. Presentacion de dos casos y revision de la literatura

Authors: Chuchurru, J., Ceccotti, E., Sforza, R.

Source: REVISTA- ASOCIACION ODONTOLOGICA ARGENTINA. 92(5):405-408

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCRN162291153&indx=1&recIds=ETOCRN162291153

Leucoplasia hoy. Una revision

Authors: Ceccotti, E., Sforza, R., Bruzzone, R.

Source: REVISTA- ASOCIACION ODONTOLOGICA ARGENTINA. 91(5):420-429

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCRN164671860&indx=1&recIds=ETOCRN164671860

Defecto Mandibular De Stafne

Authors: Ceccotti, E., Yasnig, F., Mari, A., Villamonte, S.

Source: REVISTA- ASOCIACION ODONTOLOGICA ARGENTINA. 86(3):219-222

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCRN046202685&indx=1&recIds=ETOCRN046202685

NiÞos Con Sida. Manifestaciones Bucales

Authors: Ceccotti, E.

Source: REVISTA- ASOCIACION ODONTOLOGICA ARGENTINA. 83(4):299-303

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCRN001507930&indx=1&recIds=ETOCRN001507930