X-ray and optical analysis of the distant, merging double cluster SPT-CLJ2228-5828, its gas bridge, and shock front

Authors: Migkas, K., Sommer, M. W., Schrabback, T., Carrasco, E. R., Zenteno, A., Zohren, H., Bleem, L. E., Nazaretyan, V., Bayliss, M., Bulbul, E., Floyd, B., Gassis, R., McDonald, M., Grandis, S., Reichardt, C., Sarkar, A., Sharon, K., Somboonpanyakul, T.

Source: A&A 694, A45 (2025)

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/2411.03833

Examining the local Universe isotropy with galaxy cluster velocity dispersion scaling relations

Authors: Pandya, A., Migkas, K., Reiprich, T. H., Stanford, A., Pacaud, F., Schellenberger, G., Lovisari, L., Ramos-Ceja, M. E., Nguyen-Dang, N. T., Park, S.

Source: A&A, 691, A355 (2024)

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/2408.00726

The SRG/eROSITA All-Sky Survey: First catalog of superclusters in the western Galactic hemisphere

Authors: Liu, A., Bulbul, E., Kluge, M., Ghirardini, V., Zhang, X., Sanders, J. S., Artis, E., Bahar, Y. E., Balzer, F., Brueggen, M., Clerc, N., Comparat, J., Garrel, C., Gatuzz, E., Grandis, S., Lamer, G., Merloni, A., Migkas, K., Nandra, K., Predehl, P., Ramos-Ceja, M. E., Reiprich, T. H., Seppi, R., Zelmer, S.

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2402.08454

The SRG/eROSITA All-Sky Survey: The first catalog of galaxy clusters and groups in the Western Galactic Hemisphere

Authors: Bulbul, E., Liu, A., Kluge, M., Zhang, X., Sanders, J. S., Bahar, Y. E., Ghirardini, V., Artis, E., Seppi, R., Garrel, C., Ramos-Ceja, M. E., Comparat, J., Balzer, F., Böckmann, K., Brüggen, M., Clerc, N., Dennerl, K., Dolag, K., Freyberg, M., Grandis, S., Gruen, D., Kleinebreil, F., Krippendorf, S., Lamer, G., Merloni, A., Migkas, K., Nandra, K., Pacaud, F., Predehl, P., Reiprich, T. H., Schrabback, T., Veronica, A., Weller, J., Zelmer, S.

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - High Energy Astrophysical Phenomena

Access URL: http://arxiv.org/abs/2402.08452

The SRG/eROSITA All-Sky Survey: SRG/eROSITA cross-calibration with Chandra and XMM-Newton using galaxy cluster gas temperatures

Authors: Migkas, K., Kox, D., Schellenberger, G., Veronica, A., Pacaud, F., Reiprich, T. H., Bahar, Y. E., Balzer, F., Bulbul, E., Comparat, J., Dennerl, K., Freyberg, M., Garrel, C., Ghirardini, V., Grandis, S., Kluge, M., Liu, A., Ramos-Ceja, M. E., Sanders, J., Zhang, X.

Source: A&A 688, A107 (2024)

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - High Energy Astrophysical Phenomena

Access URL: http://arxiv.org/abs/2401.17297

Discovery of a >13 Mpc long X-ray filament between two galaxy clusters beyond three times their virial radii

Authors: Dietl, J., Pacaud, F., Reiprich, T. H., Veronica, A., Migkas, K., Spinelli, C., Dolag, K., Seidel, B.

Source: A&A 691, A286 (2024)

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2401.17281

The SRG/eROSITA all-sky survey: First X-ray catalogues and data release of the western Galactic hemisphere

Authors: Merloni, A., Lamer, G., Liu, T., Ramos-Ceja, M. E., Brunner, H., Bulbul, E., Dennerl, K., Doroshenko, V., Freyberg, M. J., Friedrich, S., Gatuzz, E., Georgakakis, A., Haberl, F., Igo, Z., Kreykenbohm, I., Liu, A., Maitra, C., Malyali, A., Mayer, M. G. F., Nandra, K., Predehl, P., Robrade, J., Salvato, M., Sanders, J. S., Stewart, I., Tubín-Arenas, D., Weber, P., Wilms, J., Arcodia, R., Artis, E., Aschersleben, J., Avakyan, A., Aydar, C., Bahar, Y. E., Balzer, F., Becker, W., Berger, K., Boller, T., Bornemann, W., Brüggen, M., Brusa, M., Buchner, J., Burwitz, V., Camilloni, F., Clerc, N., Comparat, J., Coutinho, D., Czesla, S., Dannhauer, S. M., Dauner, L., Dauser, T., Dietl, J., Dolag, K., Dwelly, T., Egg, K., Ehl, E., Freund, S., Friedrich, P., Gaida, R., Garrel, C., Ghirardini, V., Gokus, A., Grünwald, G., Grandis, S., Grotova, I., Gruen, D., Gueguen, A., Hämmerich, S., Hamaus, N., Hasinger, G., Haubner, K., Homan, D., Chitham, J. Ider, Joseph, W. M., Joyce, A., König, O., Kaltenbrunner, D. M., Khokhriakova, A., Kink, W., Kirsch, C., Kluge, M., Knies, J., Krippendorf, S., Krumpe, M., Kurpas, J., Li, P., Liu, Z., Locatelli, N., Lorenz, M., Müller, S., Magaudda, E., Mannes, C., McCall, H., Meidinger, N., Michailidis, M., Migkas, K., Muñoz-Giraldo, D., Musiimenta, B., Nguyen-Dang, N. T., Ni, Q., Olechowska, A., Ota, N., Pacaud, F., Pasini, T., Perinati, E., Pires, A. M., Pommranz, C., Ponti, G., Poppenhaeger, K., Pühlhofer, G., Rau, A., Reh, M., Reiprich, T. H., Roster, W., Saeedi, S., Santangelo, A., Sasaki, M., Schmitt, J., Schneider, P. C., Schrabback, T., Schuster, N., Schwope, A., Seppi, R., Serim, M. M., Shreeram, S., Sokolova-Lapa, E., Starck, H., Stelzer, B., Stierhof, J., Suleimanov, V., Tenzer, C., Traulsen, I., Trümper, J., Tsuge, K., Urrutia, T., Veronica, A., Waddell, S. G. H., Willer, R., Wolf, J., Yeung, M. C. H., Zainab, A., Zangrandi, F., Zhang, X., Zhang, Y., Zheng, X.

Source: A&A, vol. 682, A34 (2024)

Subject Terms: Astrophysics - High Energy Astrophysical Phenomena

Access URL: http://arxiv.org/abs/2401.17274

The eROSITA Final Equatorial-Depth Survey (eFEDS): X-ray properties of Subaru optically-selected clusters

Authors: Ota, N., Nguyen-Dang, N. T., Mitsuishi, I., Oguri, M., Klein, M., Okabe, N., Ramos-Ceja, M. E., Reiprich, T. H., Pacaud, F., Bulbul, E., Brüggen, M., Liu, A., Migkas, K., Chiu, I., Ghirardini, V., Grandis, S., Lin, Y. -T., Miyatake, H., Miyazaki, S., Sanders, J. S.

Source: A&A 669, A110 (2023)

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/2206.09536

EROSITA Spectro-Imaging Analysis of the Abell 3408 Galaxy Cluster

Authors: Iljenkarevic, J., Reiprich, T. H., Pacaud, F., Veronica, A., Whelan, B., Aschersleben, J., Migkas, K., Bulbul, E., Sanders, J. S., Ramos-Ceja, M. E., Liu, T., Ghirardini, V., Liu, A., Boller, T.

Source: A&A 661, A26 (2022)

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/2106.14544

X-Ray Studies of the Abell 3158 Galaxy Cluster with eROSITA

Authors: Whelan, B., Veronica, A., Pacaud, F., Reiprich, T. H., Bulbul, E., Ramos-Ceja, M. E., Sanders, J. S., Aschersleben, J., Iljenkarevic, J., Migkas, K., Freyberg, M., Dennerl, K., Kara, M., Liu, A., Ghirardini, V., Ota, N.

Source: A&A 663, A171 (2022)

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/2106.14545

Cosmological implications of the anisotropy of ten galaxy cluster scaling relations

Authors: Migkas, K., Pacaud, F., Schellenberger, G., Erler, J., Nguyen-Dang, N. T., Reiprich, T. H., Ramos-Ceja, M. E., Lovisari, L.

Source: A&A 649, A151 (2021)

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/2103.13904

The Abell 3391/95 galaxy cluster system: A 15 Mpc intergalactic medium emission filament, a warm gas bridge, infalling matter clumps, and (re-) accelerated plasma discovered by combining SRG/eROSITA data with ASKAP/EMU and DECam data

Authors: Reiprich, T. H., Veronica, A., Pacaud, F., Ramos-Ceja, M. E., Ota, N., Sanders, J., Kara, M., Erben, T., Klein, M., Erler, J., Kerp, J., Hoang, D. N., Brüggen, M., Marvil, J., Rudnick, L., Biffi, V., Dolag, K., Aschersleben, J., Basu, K., Brunner, H., Bulbul, E., Dennerl, K., Eckert, D., Freyberg, M., Gatuzz, E., Ghirardini, V., Käfer, F., Merloni, A., Migkas, K., Nandra, K., Predehl, P., Robrade, J., Salvato, M., Whelan, B., Diaz-Ocampo, A., Hernandez-Lang, D., Zenteno, A., Brown, M. J. I., Collier, J. D., Diego, J. M., Hopkins, A. M., Kapinska, A., Koribalski, B., Mroczkowski, T., Norris, R. P., O'Brien, A., Vardoulaki, E.

Source: A&A 647, A2 (2021)

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - High Energy Astrophysical Phenomena

Access URL: http://arxiv.org/abs/2012.08491

Probing cosmic isotropy with a new X-ray galaxy cluster sample through the $L_{\text{X}}-T$ scaling relation

Authors: Migkas, K., Schellenberger, G., Reiprich, T. H., Pacaud, F., Ramos-Ceja, M. E., Lovisari, L.

Source: A&A 636, A15 (2020)

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/2004.03305

Projection effects in galaxy cluster samples: insights from X-ray redshifts

Authors: Ramos-Ceja, M. E., Pacaud, F., Reiprich, T. H., Migkas, K., Lovisari, L., Schellenberger, G.

Source: A&A 626, A48 (2019)

Subject Terms: Astrophysics - Astrophysics of Galaxies, Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/1904.10275

Testing the isotropy of the Hubble expansion

Authors: Migkas, K., Plionis, M.

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/1602.02310