H. Baumgardt et M. Hilker, « A catalogue of masses, structural parameters, and velocity dispersion profiles of 112 Milky Way globular clusters. », Monthly Notices of the Royal Astronomical Societ, vol. 478, no 2, , p. 1520-1557 (DOI10.1093/mnras/sty1057, lire en ligne [PDF]).
J. F. C. Santos Jr. et A. E. Piatti, « Ages and metallicities of star clusters: New calibrations and diagnostic diagrams from visible integrated spectra », Astronomy and Astrophysics, vol. 428, no 1, , p. 79-88 (DOI10.1051/0004-6361:20041560, lire en ligne [PDF]).
Laura L. Watkins, Roeland P. van der Marel, Andrea Bellini et Jay Anderson, « Hubble Space Telescope Proper Motion (HSTPROMO) Catalogs of Galactic Globular Clusters. III. Dynamical Distances and Mass-to-Light Ratios », The Astrophysical Journal, vol. 812, no 2, , p. 17 pages (DOI10.1088/0004-637X/812/2/149, Bibcode2015ApJ...812..149W, lire en ligne [PDF]).
A. Sollima, C. Cacciari, M. Bellazzini et S. Colucci, « The population of variable stars in M54 (NGC 6715) », Monthly Notices of the Royal Astronomical Society, vol. 406, no 1, , p. 329-341 (DOI10.1111/j.1365-2966.2010.16711.x, lire en ligne [PDF]).
R. Figuera Jaimes, D. M. Bramich, N. Kains et et al., « Many new variable stars discovered in the core of the globular cluster NGC 6715 (M54) with EMCCD observations », Astronomy & Astrophysics, vol. 592, no A120, , p. 17 pages (DOI10.48550/arXiv.1605.06141, lire en ligne [PDF]).
asso-sterenn.fr
« Messier 54 », Association Sterenn (consulté le ).
H. Baumgardt et M. Hilker, « A catalogue of masses, structural parameters, and velocity dispersion profiles of 112 Milky Way globular clusters. », Monthly Notices of the Royal Astronomical Societ, vol. 478, no 2, , p. 1520-1557 (DOI10.1093/mnras/sty1057, lire en ligne [PDF]).
J. F. C. Santos Jr. et A. E. Piatti, « Ages and metallicities of star clusters: New calibrations and diagnostic diagrams from visible integrated spectra », Astronomy and Astrophysics, vol. 428, no 1, , p. 79-88 (DOI10.1051/0004-6361:20041560, lire en ligne [PDF]).
Michael H. Siegel, Aaron Dotter et Steven R. Majewski, « The ACS Survey of Galactic Globular Clusters: M54 and Young Populations in the Sagittarius Dwarf Spheroidal Galaxy », The Astrophysical Journal, vol. 667, , p. L67 (DOI10.1086/522003, lire en ligne [PDF]).
Laura L. Watkins, Roeland P. van der Marel, Andrea Bellini et Jay Anderson, « Hubble Space Telescope Proper Motion (HSTPROMO) Catalogs of Galactic Globular Clusters. III. Dynamical Distances and Mass-to-Light Ratios », The Astrophysical Journal, vol. 812, no 2, , p. 17 pages (DOI10.1088/0004-637X/812/2/149, Bibcode2015ApJ...812..149W, lire en ligne [PDF]).
A. Sollima, C. Cacciari, M. Bellazzini et S. Colucci, « The population of variable stars in M54 (NGC 6715) », Monthly Notices of the Royal Astronomical Society, vol. 406, no 1, , p. 329-341 (DOI10.1111/j.1365-2966.2010.16711.x, lire en ligne [PDF]).
R. Figuera Jaimes, D. M. Bramich, N. Kains et et al., « Many new variable stars discovered in the core of the globular cluster NGC 6715 (M54) with EMCCD observations », Astronomy & Astrophysics, vol. 592, no A120, , p. 17 pages (DOI10.48550/arXiv.1605.06141, lire en ligne [PDF]).
C. Venter et A. Kopp, « Modelling the average spectrum expected from a population of gamma-ray globular clusters », Proceedings of SAIP2014, the 59th Annual Conference of the South African Institute of Physics, (DOI10.48550/arXiv.1504.04953, lire en ligne [PDF]).
(en) H. D. Curtis, « Descriptions of 762 Nebulae and Clusters Photographed with the Crossley Reflector », Publications of Lick Observatory, vol. 13, , p. 9-42 (Bibcode1918PLicO..13....9C, lire en ligne).
Laura L. Watkins, Roeland P. van der Marel, Andrea Bellini et Jay Anderson, « Hubble Space Telescope Proper Motion (HSTPROMO) Catalogs of Galactic Globular Clusters. III. Dynamical Distances and Mass-to-Light Ratios », The Astrophysical Journal, vol. 812, no 2, , p. 17 pages (DOI10.1088/0004-637X/812/2/149, Bibcode2015ApJ...812..149W, lire en ligne [PDF]).
articles.adsabs.harvard.edu
(en) H. D. Curtis, « Descriptions of 762 Nebulae and Clusters Photographed with the Crossley Reflector », Publications of Lick Observatory, vol. 13, , p. 9-42 (Bibcode1918PLicO..13....9C, lire en ligne).
iop.org
iopscience.iop.org
Michael H. Siegel, Aaron Dotter et Steven R. Majewski, « The ACS Survey of Galactic Globular Clusters: M54 and Young Populations in the Sagittarius Dwarf Spheroidal Galaxy », The Astrophysical Journal, vol. 667, , p. L67 (DOI10.1086/522003, lire en ligne [PDF]).
C. Venter et A. Kopp, « Modelling the average spectrum expected from a population of gamma-ray globular clusters », Proceedings of SAIP2014, the 59th Annual Conference of the South African Institute of Physics, (DOI10.48550/arXiv.1504.04953, lire en ligne [PDF]).