Rees Williams

2024

Euclid: Early Release Observations -- The intracluster light and intracluster globular clusters of the Perseus cluster

Euclid Collaboration, Kluge, M., Hatch, N. A., Montes, M., Golden-Marx, J. B., Gonzalez, A. H., Cuillandre, J.-C., Bolzonella, M., Saifollahi, T., Valentijn, E. A., Verdoes Kleijn, G. & Williams, R., 22-May-2024, (Submitted) arXiv, 25 p.

Research output: Working paper › Preprint › Academic

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Euclid: Identifying the reddest high-redshift galaxies in the Euclid Deep Fields with gradient-boosted trees

Euclid Collaboration, Signor, T., Rodighiero, G., Bisigello, L., Bolzonella, M., Caputi, K. I., Daddi, E., De Lucia, G., Enia, A., Gabarra, L., Gruppioni, C., Humphrey, A., La Franca, F., Mancini, C., Pozzetti, L., Serjeant, S., Spinoglio, L., Van Mierlo, S. E., Andreon, S. & Auricchio, N. & 31 others, Baldi, M., Bardelli, S., Battaglia, P., Bender, R., Bodendorf, C., Bonino, D., Branchini, E., Brescia, M., Brinchmann, J., Camera, S., Capobianco, V., Carbone, C., Carretero, J., Casas, S., Castellano, M., Cavuoti, S., Cimatti, A., Cledassou, R., Congedo, G., Conselice, C. J., Conversi, L., Copin, Y., Corcione, L., Courbin, F., Courtois, H. M., Schneider, P., Sirignano, C., Valentijn, E. A., Wang, Y., Weller, J. & Williams, O. R., 17-May-2024, In: Astronomy and Astrophysics. 685, 18 p., A127.

Research output: Contribution to journal › Article › Academic › peer-review

Open Access

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2 Citations (Scopus)

30 Downloads (Pure)

Euclid: Early Release Observations -- Deep anatomy of nearby galaxies

Euclid Collaboration, Hunt, L. K., Annibali, F., Cuillandre, J.-C., Ferguson, A. M. N., Jablonka, P., Larsen, S. S., Marleau, F. R., Saifollahi, T., Valentijn, E. A., Verdoes Kleijn, G. & Williams, O. R., 1-May-2024, (Submitted) arXiv, 37 p.

Research output: Working paper › Preprint › Academic

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Euclid: Early Release Observations -- Globular clusters in the Fornax galaxy cluster, from dwarf galaxies to the intracluster field

Euclid Collaboration, Saifollahi, T., Voggel, K., Lançon, A., Cantiello, M., Raj, M. A., Cuillandre, J.-C., Larsen, S. S., Peletier, R. F., van Mierlo, S. E., Tsyganov, A., Valentijn, E. A., Verdoes Kleijn, G. & Williams, O. R., 1-May-2024, (Submitted) arXiv, 29 p.

Research output: Working paper › Preprint › Academic

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Euclid: Early Release Observations -- Programme overview and pipeline for compact- and diffuse-emission photometry

Euclid Collaboration, Cuillandre, J.-C., Bertin, E., Bolzonella, M., Bouy, H., Gwyn, S., Isani, S., Kluge, M., Saifollahi, T., Awad, P., Peletier, R. F., Xu, X., Tsyganov, A., Valentijn, E. A., Verdoes Kleijn, G. & Williams, O. R., 1-May-2024, (Submitted) arXiv, 45 p.

Research output: Working paper › Preprint › Academic

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Euclid. I. Overview of the Euclid mission

Euclid Collaboration, Balbinot, E., Balcells, M., Beaulieu, J.-P., Belikov, A. N., Bisigello, L., Branchini, E., Buddelmeijer, H., Burger, P., Caputi, K. I., Corcho-Caballero, P., Ferguson, A. M. N., George, K., Helmi, A., Kazandjian, M. V., Koopmans, L. V. E., Kuijken, K., La Marca, A., Legrand, L. & Massari, D. & 14 others, Nagam, B. C., Nutma, T., Peletier, R. F., Saifollahi, T., Shulevski, A., Taylor, A. N., Tolstoy, E., Tortora, C., Valentijn, E. A., Venhola, A., Verdoes Kleijn, G., Vriend, W. J., Wang, L. & Williams, O. R., 22-May-2024, (Submitted) arXiv, 95 p. (ArXiv).

Research output: Working paper › Preprint › Academic

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198 Downloads (Pure)

Object classification with Convolutional Neural Networks: from KiDS to Euclid

Verdoes Kleijn, G. A., Marocico, C. A., Mzayek, Y., Pöntinen, M., Granvik, M., Williams, O., de Jong, J. T. A., Saifollahi, T., Wang, L., Margalef-Bentabol, B., La Marca, A., Chowdhary Nagam, B., Koopmans, L. V. E. & Valentijn, E. A., 3-Mar-2024, (Submitted) arXiv, 7 p.

Research output: Working paper › Preprint › Academic

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28 Downloads (Pure)

2023

Mining archival data from wide-field astronomical surveys in search of near-Earth objects

Saifollahi, T., Kleijn, G. V., Williams, R., Micheli, M., Santana-Ros, T., Helmich, E., Koschny, D. & Conversi, L., May-2023, In: Astronomy and Astrophysics. 673, 13 p., A93.

Research output: Contribution to journal › Article › Academic › peer-review

Open Access

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64 Downloads (Pure)

2020

The Astrometric Calibration Software System for Euclid's External Surveys

Mulder, W., de Jong, J. T. A., Verdoes Kleijn, G. A., Valentijn, E. A., Williams, O. R., Boxhoorn, D. R., Belikov, A. N., Fabricius, M., Helmich, E. M., Wetzstein, M., Vassallo, T. & George, K., 2020, Astronomical Data Analysis Software and Systems XXIX: Proceedings. Pizzo, R., Deul, E. R., Mol, J.-D., de Plaa , J. & Verkouter, H. (eds.). Astronomical Society of the Pacific, p. 615-618 (Astronomical Data Analysis Software and Systems XXIX. ASP Conference Series; vol. 527).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

Open Access

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36 Downloads (Pure)

The Euclid Archive Processing and Data Distribution Systems: A Distributed Infrastructure for Euclid and Associated Data

Williams, O. R., Begeman, K., Boxhoorn, D., Droge, B., Nutma, T. A., Tsyganov, A., Valentijn, E. A., Vriend, W.-J. & Dabin, C., 2020, Astronomical Data Analysis Software and Systems XXIX: Proceedings of the 29th annual conference on Astronomical Data Analysis Software and Systems (ADASS XXIX).. Pizzo, R., Deul, E. R., Mol, J.-D., de Plaa, J. & Verkouter, H. (eds.). Astronomical Society of the Pacific, p. 291-294 4 p. (Astronomical Data Analysis Software and Systems XXIX. ASP Conference Series; vol. 527).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

Open Access

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46 Downloads (Pure)

Visualising Virtual Observatory Data in Digital Planetaria

Soancatl-Aguilar, V., Williams, O. ~., Ji, C., Valentijn, E. ~., Mathlener, A. & Roerdink, J. ~. ~. ~., 1-Jan-2020, Astronomical Society of the Pacific Conference Series. Pizzo, R., Deul, E. ~., Mol, J. ~., de Plaa, J. & Verkouter, H. (eds.). Astronomical Society of the Pacific, p. 229 232 p. (Astronomical Society of the Pacific Conference Series; vol. 527).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

Open Access

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84 Downloads (Pure)

2019

The Euclid Archive System: A Data-Centric Approach to Big Data

Nieto, S., de Teodoro, P., Salgado, J., Altieri, B., Buenadicha, G., Belikov, A., Boxhoorn, D., McFarland, J., Valentijn, E. A., Williams, O. R., Droege, B. & Tsyganov, A., 2019, Astronomical Data Analysis Software and Systems XXVI. Molinaro, M., Shortridge, K. & Pasian, F. (eds.). Astronomical Society of the Pacific, Vol. 521. p. 12-15 (ASP Conference Series; vol. 521).

Research output: Chapter in Book/Report/Conference proceeding › Chapter › Academic › peer-review

Open Access

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75 Downloads (Pure)

The Euclid Science Ground Segment Distributed Infrastructure: System Integration and Challenges

Frailis, M., Belikov, A., Benson, K., Bonchi, A., Dabin, C., Ealet, A., Fumana, M., Grenet, C., Holliman, M., Maggio, G., Maino, D., McCracken, H. J., Melchior, M., Piemonte, A., Polenta, G., Poncet, M., Scala, P. L., Serrano, S. & Williams, O. R., 2019, .. Molinaro, M., Shortridge, K. & Pasian, F. (eds.). Astronomical Society of the Pacific, p. 612-615 (ASP Conference series; vol. 521).

Research output: Chapter in Book/Report/Conference proceeding › Chapter › Academic

Open Access

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29 Downloads (Pure)

The Role of the Euclid Archive System in the Processing of Euclid and External Data

Williams, O. R., Begeman, K., Boxhoorn, D., Droge, B., Tsyganov, A., McFarland, J. P., Valentijn, E. A., Vriend, W. J. & Dabin, C., Nov-2019, Astronomical Data Analysis Software and Systems XXVI . Molinaro, M., Shortridge, K. & Pasian, F. (eds.). Astronomical Society of the Pacific, p. 120-123 (ASP Conference Series; vol. 521).

Research output: Chapter in Book/Report/Conference proceeding › Chapter › Academic › peer-review

Open Access

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90 Downloads (Pure)

2017

Target and (Astro-)WISE technologies - Data federations and its applications

Valentijn, E. A., Begeman, K., Belikov, A., Boxhoorn, D. R., Brinchmann, J., McFarland, J., Holties, H., Kuijken, K. H., Verdoes Kleijn, G., Vriend, W.-J., Williams, O. R., Roerdink, J. B. T. M., Schomaker, L. R. B., Swertz, M. A., Tsyganov, A. & van Dijk, G. J. W., 30-May-2017, Astroinformatics 2017. International Astronomical Union, p. 333-340 8 p. (Proceedings IAU Symposium; vol. 12, issue S325, Astroinformatics).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

2 Citations (Scopus)

The Euclid Data Processing Challenges

Dubath, P., Apostolakos, N., Bonchi, A., Belikov, A., Brescia, M., Cavuoti, S., Capak, P., Coupon, J., Dabin, C., Degaudenzi, H., Desai, S., Dubath, F., Fontana, A., Fotopoulou, S., Frailis, M., Galametz, A., Hoar, J., Holliman, M., Hoyle, B. & Hudelot, P. & 20 others, Ilbert, O., Kuemmel, M., Melchior, M., Mellier, Y., Mohr, J., Morisset, N., Paltani, S., Pello, R., Pilo, S., Polenta, G., Poncet, M., Saglia, R., Salvato, M., Sauvage, M., Schefer, M., Serrano, S., Soldati, M., Tramacere, A., Williams, R. & Zacchei, A., Oct-2017, Proceedings of the International Astronomical Union: IAU Symposium. Cambridge University Press, Vol. 325. p. 73-82 10 p.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

Open Access

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5 Citations (Scopus)

84 Downloads (Pure)

2016

The Euclid Archive System: A Datacentric Approach to Big Data

Belikov, A., Williams, O., Altieri, B., Boxhoorn, D., Buenadicha, G., Droge, B., McFarland, J., Nieto, S., Salgado, J., de Teodoro, P., Tsyganov, A. & Valentijn, E., 2016, Proceedings of 2016 conference on Big Data from Space (BiDS'16). Soille, P. & Marchetti, P. G. (eds.). Publications Office of the European Union , Vol. JRC100655. p. 212-215 4 p.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic

Open Access

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152 Downloads (Pure)

2015

WISE technology: A scientific information system for astronomy and beyond

Belikov, A., Boxhoorn, D., Begeman, K., Valentijn, E., Vriend, W.-J. & Williams, O. R., Nov-2015, p. 912-920.

Research output: Contribution to conference › Other › Academic

2014

Data transmission, handling and dissemination issues of EUCLID Data

Williams, O., Belikov, A. & Koppenhoefer, J., 28-Feb-2014, Proceedings of NETSPACE Workshop February 2014: NETworking technologies for efficient SPACE data dissemination and exploitation. Sykioti, O. & Daglis, I. (eds.). Athens: National Observatory of Athens, p. 11-14 4 p.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic

Open Access

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225 Downloads (Pure)

EUCLID ARCHIVE SYSTEM PROTOTYPE

Belikov, A., Williams, O., Droge, B., Tsyganov, A., Boxhoorn, D., McFarland, J., Verdoes Kleijn, G., Valentijn, E., Altieri, B., Dabin, C., Pasian, F. & Osuna, P., 2014, Proceedings of the 2014 conference on Big Data from Space (BiDS’14). Soille, P. & Marchetti, P. G. (eds.). European Union, p. 346-349 4 p.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic

WISE TECHNOLOGY FOR HANDLING BIG DATA FEDERATIONS

Valentijn, E., Begeman, K., Belikov, A., Boxhoorn, D., Verdoes Kleijn, G., McFarland, J., Vriend, W.-J. & Williams, O., 4-Nov-2014, Proceedings of the 2014 conference on Big Data from Space (BiDS'14) . Soille, P. & Marchetti, P. G. (eds.). European Union, p. 170-173 4 p.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic

2012

Astro-WISE information system

Valentijn, E. A., Belikov, A. N., Kleijn, G. A. V. & Williams, O. R., 24-Sept-2012, Software and Cyberinfrastructure for Astronomy II. Radziwill, N. & Chiozzi, G. (eds.). BELLINGHAM: SPIE - INT SOC OPTICAL ENGINEERING, 6 p. 84511f. (Proceedings of SPIE; vol. 8451).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

Astro-WISE Processing of Wide-field Images and Other Data

Buddelmeijer, H., Williams, O. R., McFarland, J. P. & Belikov, A., Sept-2012, Astronomical Data Analysis Software and Systems XXI. Ballester, P., Egret, D. & Lorente, N. P. F. (eds.). San Francisco: Astronomical Society of the Pacific, p. 881 1 p. (ASP Conference Series ; vol. 461).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

Rees Williams

Research output

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