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

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Main Authors:	Saifollahi, T., Voggel, K., Lançon, A., Cantiello, Michele, Raj, M. A., Cuillandre, J. -C., Larsen, S. S., Marleau, F. R., Venhola, A., Schirmer, M., Carollo, D., Duc, P. -A., Ferguson, A. M. N., Hunt, L. K., Kümmel, M., Laureijs, R., Marchal, O., Nucita, A. A., Peletier, R. F., Poulain, M., Rejkuba, M., Sánchez-Janssen, R., Urbano, M., Abdurro'uf, Altieri, B., Baes, M., Bolzonella, M., Conselice, C. J., Cote, P., Dimauro, P., Gonzalez, A. H., Habas, R., Hudelot, P., Kluge, M., Lonare, P., Massari, D., Romelli, E., Scaramella, R., Sola, E., Stone, C., Tortora, C., van Mierlo, S. E., Knapen, J. H., Martín-Fleitas, J., Mora, A., Román, J., Aghanim, N., Amara, A., Andreon, S., Auricchio, N., Baldi, M., Balestra, A., Bardelli, S., Basset, A., Bender, R., Bonino, D., Branchini, E., Brescia, M., Brinchmann, J., Camera, S., Capobianco, V., Carbone, C., Carretero, J., Casas, S., Castellano, M., Cavuoti, S., Cimatti, A., Congedo, G., Conversi, L., Copin, Y., Courbin, F., Courtois, H. M., Cropper, M., Da Silva, A., Degaudenzi, H., Di Giorgio, A. M., Dinis, J., Dubath, F., Dupac, X., Dusini, S., Fabricius, M., Farina, M., Farrens, S., Ferriol, S., Fosalba, P., Frailis, M., Franceschi, E., Fumana, M., Galeotta, S., Garilli, B., Gillard, W., Gillis, B., Giocoli, C., Gómez-Alvarez, P., Granett, B. R., Grazian, A., Grupp, F., Guzzo, L., Haugan, S. V. H., Hoar, J., Hoekstra, H., Holmes, W., Hook, I., Hormuth, F., Hornstrup, A., Jahnke, K., Jhabvala, M., Keihänen, E., Kermiche, S., Kiessling, A., Kitching, T., Kohley, R., Kubik, B., Kuijken, K., Kunz, M., Kurki-Suonio, H., Lahav, O., Mignant, D. Le, Ligori, S., Lilje, P. B., Lindholm, V., Lloro, I., Maino, D., Maiorano, E., Mansutti, O., Marggraf, O., Markovic, K., Martinet, N., Marulli, F., Massey, R., Maurogordato, S., McCracken, H. J., Medinaceli, E., Mei, S., Melchior, M., Mellier, Y., Meneghetti, M., Meylan, G., Moresco, M., Moscardini, L., Munari, E., Nakajima, R., Nichol, R. C., Niemi, S. -M., Padilla, C., Paltani, S., Pasian, F., Pedersen, K., Percival, W. J., Pettorino, V., Pires, S., Polenta, G., Poncet, M., Popa, L. A., Pozzetti, L., Racca, G. D., Raison, F., Rebolo, R., Refregier, A., Renzi, A., Rhodes, J., Riccio, G., Roncarelli, M., Rossetti, E., Saglia, R., Sapone, D., Sartoris, B., Schneider, P., Schrabback, T., Secroun, A., Seidel, G., Serrano, S., Sirignano, C., Sirri, G., Stanco, L., Tallada-Crespí, P., Taylor, A. N., Teplitz, H. I., Tereno, I., Toledo-Moreo, R., Torradeflot, F., Tsyganov, A., Tutusaus, I., Valentijn, E. A., Valenziano, L., Vassallo, T., Kleijn, G. Verdoes, Veropalumbo, A., Wang, Y., Weller, J., Williams, O. R., Zamorani, G., Zucca, E., Biviano, A., Burigana, C., Scottez, V., Simon, P., Balogh, M., Scott, D.
Format:	Preprint
Published:	2024
Subjects:	Astrophysics of Galaxies
Online Access:	Acceder al recurso
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author	Saifollahi, T. Voggel, K. Lançon, A. Cantiello, Michele Raj, M. A. Cuillandre, J. -C. Larsen, S. S. Marleau, F. R. Venhola, A. Schirmer, M. Carollo, D. Duc, P. -A. Ferguson, A. M. N. Hunt, L. K. Kümmel, M. Laureijs, R. Marchal, O. Nucita, A. A. Peletier, R. F. Poulain, M. Rejkuba, M. Sánchez-Janssen, R. Urbano, M. Abdurro'uf Altieri, B. Baes, M. Bolzonella, M. Conselice, C. J. Cote, P. Dimauro, P. Gonzalez, A. H. Habas, R. Hudelot, P. Kluge, M. Lonare, P. Massari, D. Romelli, E. Scaramella, R. Sola, E. Stone, C. Tortora, C. van Mierlo, S. E. Knapen, J. H. Martín-Fleitas, J. Mora, A. Román, J. Aghanim, N. Amara, A. Andreon, S. Auricchio, N. Baldi, M. Balestra, A. Bardelli, S. Basset, A. Bender, R. Bonino, D. Branchini, E. Brescia, M. Brinchmann, J. Camera, S. Capobianco, V. Carbone, C. Carretero, J. Casas, S. Castellano, M. Cavuoti, S. Cimatti, A. Congedo, G. Conversi, L. Copin, Y. Courbin, F. Courtois, H. M. Cropper, M. Da Silva, A. Degaudenzi, H. Di Giorgio, A. M. Dinis, J. Dubath, F. Dupac, X. Dusini, S. Fabricius, M. Farina, M. Farrens, S. Ferriol, S. Fosalba, P. Frailis, M. Franceschi, E. Fumana, M. Galeotta, S. Garilli, B. Gillard, W. Gillis, B. Giocoli, C. Gómez-Alvarez, P. Granett, B. R. Grazian, A. Grupp, F. Guzzo, L. Haugan, S. V. H. Hoar, J. Hoekstra, H. Holmes, W. Hook, I. Hormuth, F. Hornstrup, A. Jahnke, K. Jhabvala, M. Keihänen, E. Kermiche, S. Kiessling, A. Kitching, T. Kohley, R. Kubik, B. Kuijken, K. Kunz, M. Kurki-Suonio, H. Lahav, O. Mignant, D. Le Ligori, S. Lilje, P. B. Lindholm, V. Lloro, I. Maino, D. Maiorano, E. Mansutti, O. Marggraf, O. Markovic, K. Martinet, N. Marulli, F. Massey, R. Maurogordato, S. McCracken, H. J. Medinaceli, E. Mei, S. Melchior, M. Mellier, Y. Meneghetti, M. Meylan, G. Moresco, M. Moscardini, L. Munari, E. Nakajima, R. Nichol, R. C. Niemi, S. -M. Padilla, C. Paltani, S. Pasian, F. Pedersen, K. Percival, W. J. Pettorino, V. Pires, S. Polenta, G. Poncet, M. Popa, L. A. Pozzetti, L. Racca, G. D. Raison, F. Rebolo, R. Refregier, A. Renzi, A. Rhodes, J. Riccio, G. Roncarelli, M. Rossetti, E. Saglia, R. Sapone, D. Sartoris, B. Schneider, P. Schrabback, T. Secroun, A. Seidel, G. Serrano, S. Sirignano, C. Sirri, G. Stanco, L. Tallada-Crespí, P. Taylor, A. N. Teplitz, H. I. Tereno, I. Toledo-Moreo, R. Torradeflot, F. Tsyganov, A. Tutusaus, I. Valentijn, E. A. Valenziano, L. Vassallo, T. Kleijn, G. Verdoes Veropalumbo, A. Wang, Y. Weller, J. Williams, O. R. Zamorani, G. Zucca, E. Biviano, A. Burigana, C. Scottez, V. Simon, P. Balogh, M. Scott, D.
author_facet	Saifollahi, T. Voggel, K. Lançon, A. Cantiello, Michele Raj, M. A. Cuillandre, J. -C. Larsen, S. S. Marleau, F. R. Venhola, A. Schirmer, M. Carollo, D. Duc, P. -A. Ferguson, A. M. N. Hunt, L. K. Kümmel, M. Laureijs, R. Marchal, O. Nucita, A. A. Peletier, R. F. Poulain, M. Rejkuba, M. Sánchez-Janssen, R. Urbano, M. Abdurro'uf Altieri, B. Baes, M. Bolzonella, M. Conselice, C. J. Cote, P. Dimauro, P. Gonzalez, A. H. Habas, R. Hudelot, P. Kluge, M. Lonare, P. Massari, D. Romelli, E. Scaramella, R. Sola, E. Stone, C. Tortora, C. van Mierlo, S. E. Knapen, J. H. Martín-Fleitas, J. Mora, A. Román, J. Aghanim, N. Amara, A. Andreon, S. Auricchio, N. Baldi, M. Balestra, A. Bardelli, S. Basset, A. Bender, R. Bonino, D. Branchini, E. Brescia, M. Brinchmann, J. Camera, S. Capobianco, V. Carbone, C. Carretero, J. Casas, S. Castellano, M. Cavuoti, S. Cimatti, A. Congedo, G. Conversi, L. Copin, Y. Courbin, F. Courtois, H. M. Cropper, M. Da Silva, A. Degaudenzi, H. Di Giorgio, A. M. Dinis, J. Dubath, F. Dupac, X. Dusini, S. Fabricius, M. Farina, M. Farrens, S. Ferriol, S. Fosalba, P. Frailis, M. Franceschi, E. Fumana, M. Galeotta, S. Garilli, B. Gillard, W. Gillis, B. Giocoli, C. Gómez-Alvarez, P. Granett, B. R. Grazian, A. Grupp, F. Guzzo, L. Haugan, S. V. H. Hoar, J. Hoekstra, H. Holmes, W. Hook, I. Hormuth, F. Hornstrup, A. Jahnke, K. Jhabvala, M. Keihänen, E. Kermiche, S. Kiessling, A. Kitching, T. Kohley, R. Kubik, B. Kuijken, K. Kunz, M. Kurki-Suonio, H. Lahav, O. Mignant, D. Le Ligori, S. Lilje, P. B. Lindholm, V. Lloro, I. Maino, D. Maiorano, E. Mansutti, O. Marggraf, O. Markovic, K. Martinet, N. Marulli, F. Massey, R. Maurogordato, S. McCracken, H. J. Medinaceli, E. Mei, S. Melchior, M. Mellier, Y. Meneghetti, M. Meylan, G. Moresco, M. Moscardini, L. Munari, E. Nakajima, R. Nichol, R. C. Niemi, S. -M. Padilla, C. Paltani, S. Pasian, F. Pedersen, K. Percival, W. J. Pettorino, V. Pires, S. Polenta, G. Poncet, M. Popa, L. A. Pozzetti, L. Racca, G. D. Raison, F. Rebolo, R. Refregier, A. Renzi, A. Rhodes, J. Riccio, G. Roncarelli, M. Rossetti, E. Saglia, R. Sapone, D. Sartoris, B. Schneider, P. Schrabback, T. Secroun, A. Seidel, G. Serrano, S. Sirignano, C. Sirri, G. Stanco, L. Tallada-Crespí, P. Taylor, A. N. Teplitz, H. I. Tereno, I. Toledo-Moreo, R. Torradeflot, F. Tsyganov, A. Tutusaus, I. Valentijn, E. A. Valenziano, L. Vassallo, T. Kleijn, G. Verdoes Veropalumbo, A. Wang, Y. Weller, J. Williams, O. R. Zamorani, G. Zucca, E. Biviano, A. Burigana, C. Scottez, V. Simon, P. Balogh, M. Scott, D.
contents	We present an analysis of Euclid observations of a 0.5 deg$^2$ field in the central region of the Fornax galaxy cluster that were acquired during the performance verification phase. With these data, we investigate the potential of Euclid for identifying GCs at 20 Mpc, and validate the search methods using artificial GCs and known GCs within the field from the literature. Our analysis of artificial GCs injected into the data shows that Euclid's data in $I_{\rm E}$ band is 80% complete at about $I_{\rm E} \sim 26.0$ mag ($M_{V\rm } \sim -5.0$ mag), and resolves GCs as small as $r_{\rm h} = 2.5$ pc. In the $I_{\rm E}$ band, we detect more than 95% of the known GCs from previous spectroscopic surveys and GC candidates of the ACS Fornax Cluster Survey, of which more than 80% are resolved. We identify more than 5000 new GC candidates within the field of view down to $I_{\rm E}$ mag, about 1.5 mag fainter than the typical GC luminosity function turn-over magnitude, and investigate their spatial distribution within the intracluster field. We then focus on the GC candidates around dwarf galaxies and investigate their numbers, stacked luminosity distribution and stacked radial distribution. While the overall GC properties are consistent with those in the literature, an interesting over-representation of relatively bright candidates is found within a small number of relatively GC-rich dwarf galaxies. Our work confirms the capabilities of Euclid data in detecting GCs and separating them from foreground and background contaminants at a distance of 20 Mpc, particularly for low-GC count systems such as dwarf galaxies.
format	Preprint
id	arxiv_https___arxiv_org_abs_2405_13500
institution	arXiv
publishDate	2024
record_format	arxiv
spellingShingle	Euclid: Early Release Observations -- Globular clusters in the Fornax galaxy cluster, from dwarf galaxies to the intracluster field Saifollahi, T. Voggel, K. Lançon, A. Cantiello, Michele Raj, M. A. Cuillandre, J. -C. Larsen, S. S. Marleau, F. R. Venhola, A. Schirmer, M. Carollo, D. Duc, P. -A. Ferguson, A. M. N. Hunt, L. K. Kümmel, M. Laureijs, R. Marchal, O. Nucita, A. A. Peletier, R. F. Poulain, M. Rejkuba, M. Sánchez-Janssen, R. Urbano, M. Abdurro'uf Altieri, B. Baes, M. Bolzonella, M. Conselice, C. J. Cote, P. Dimauro, P. Gonzalez, A. H. Habas, R. Hudelot, P. Kluge, M. Lonare, P. Massari, D. Romelli, E. Scaramella, R. Sola, E. Stone, C. Tortora, C. van Mierlo, S. E. Knapen, J. H. Martín-Fleitas, J. Mora, A. Román, J. Aghanim, N. Amara, A. Andreon, S. Auricchio, N. Baldi, M. Balestra, A. Bardelli, S. Basset, A. Bender, R. Bonino, D. Branchini, E. Brescia, M. Brinchmann, J. Camera, S. Capobianco, V. Carbone, C. Carretero, J. Casas, S. Castellano, M. Cavuoti, S. Cimatti, A. Congedo, G. Conversi, L. Copin, Y. Courbin, F. Courtois, H. M. Cropper, M. Da Silva, A. Degaudenzi, H. Di Giorgio, A. M. Dinis, J. Dubath, F. Dupac, X. Dusini, S. Fabricius, M. Farina, M. Farrens, S. Ferriol, S. Fosalba, P. Frailis, M. Franceschi, E. Fumana, M. Galeotta, S. Garilli, B. Gillard, W. Gillis, B. Giocoli, C. Gómez-Alvarez, P. Granett, B. R. Grazian, A. Grupp, F. Guzzo, L. Haugan, S. V. H. Hoar, J. Hoekstra, H. Holmes, W. Hook, I. Hormuth, F. Hornstrup, A. Jahnke, K. Jhabvala, M. Keihänen, E. Kermiche, S. Kiessling, A. Kitching, T. Kohley, R. Kubik, B. Kuijken, K. Kunz, M. Kurki-Suonio, H. Lahav, O. Mignant, D. Le Ligori, S. Lilje, P. B. Lindholm, V. Lloro, I. Maino, D. Maiorano, E. Mansutti, O. Marggraf, O. Markovic, K. Martinet, N. Marulli, F. Massey, R. Maurogordato, S. McCracken, H. J. Medinaceli, E. Mei, S. Melchior, M. Mellier, Y. Meneghetti, M. Meylan, G. Moresco, M. Moscardini, L. Munari, E. Nakajima, R. Nichol, R. C. Niemi, S. -M. Padilla, C. Paltani, S. Pasian, F. Pedersen, K. Percival, W. J. Pettorino, V. Pires, S. Polenta, G. Poncet, M. Popa, L. A. Pozzetti, L. Racca, G. D. Raison, F. Rebolo, R. Refregier, A. Renzi, A. Rhodes, J. Riccio, G. Roncarelli, M. Rossetti, E. Saglia, R. Sapone, D. Sartoris, B. Schneider, P. Schrabback, T. Secroun, A. Seidel, G. Serrano, S. Sirignano, C. Sirri, G. Stanco, L. Tallada-Crespí, P. Taylor, A. N. Teplitz, H. I. Tereno, I. Toledo-Moreo, R. Torradeflot, F. Tsyganov, A. Tutusaus, I. Valentijn, E. A. Valenziano, L. Vassallo, T. Kleijn, G. Verdoes Veropalumbo, A. Wang, Y. Weller, J. Williams, O. R. Zamorani, G. Zucca, E. Biviano, A. Burigana, C. Scottez, V. Simon, P. Balogh, M. Scott, D. Astrophysics of Galaxies We present an analysis of Euclid observations of a 0.5 deg$^2$ field in the central region of the Fornax galaxy cluster that were acquired during the performance verification phase. With these data, we investigate the potential of Euclid for identifying GCs at 20 Mpc, and validate the search methods using artificial GCs and known GCs within the field from the literature. Our analysis of artificial GCs injected into the data shows that Euclid's data in $I_{\rm E}$ band is 80% complete at about $I_{\rm E} \sim 26.0$ mag ($M_{V\rm } \sim -5.0$ mag), and resolves GCs as small as $r_{\rm h} = 2.5$ pc. In the $I_{\rm E}$ band, we detect more than 95% of the known GCs from previous spectroscopic surveys and GC candidates of the ACS Fornax Cluster Survey, of which more than 80% are resolved. We identify more than 5000 new GC candidates within the field of view down to $I_{\rm E}$ mag, about 1.5 mag fainter than the typical GC luminosity function turn-over magnitude, and investigate their spatial distribution within the intracluster field. We then focus on the GC candidates around dwarf galaxies and investigate their numbers, stacked luminosity distribution and stacked radial distribution. While the overall GC properties are consistent with those in the literature, an interesting over-representation of relatively bright candidates is found within a small number of relatively GC-rich dwarf galaxies. Our work confirms the capabilities of Euclid data in detecting GCs and separating them from foreground and background contaminants at a distance of 20 Mpc, particularly for low-GC count systems such as dwarf galaxies.
title	Euclid: Early Release Observations -- Globular clusters in the Fornax galaxy cluster, from dwarf galaxies to the intracluster field
topic	Astrophysics of Galaxies
url	https://arxiv.org/abs/2405.13500