H. Baumgardt, M. Hilker, A Sollima et A Bellini, « Mean proper motions, space orbits, and velocity dispersion profiles of Galactic globular clusters derived from Gaia DR2 data », Monthly Notices of the Royal Astronomical Societ, vol. 482, no 4, , p. 5138-5155 (DOI10.1093/mnras/sty2997, lire en ligne [PDF])
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])
A Arellano Ferro, F C Rojas Galindo, I H Bustos Fierro, S Muneer, M A Yepez et Sunetra Giridhar, « Detailed analysis of the variable star population in the globular cluster NGC 7006 », Monthly Notices of the Royal Astronomical Society, vol. 519, no 2, , p. 2451-2465 (DOI10.1093/mnras/stac3650, lire en ligne [PDF])
H. Baumgardt, M. Hilker, A Sollima et A Bellini, « Mean proper motions, space orbits, and velocity dispersion profiles of Galactic globular clusters derived from Gaia DR2 data », Monthly Notices of the Royal Astronomical Societ, vol. 482, no 4, , p. 5138-5155 (DOI10.1093/mnras/sty2997, lire en ligne [PDF])
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])
A Arellano Ferro, F C Rojas Galindo, I H Bustos Fierro, S Muneer, M A Yepez et Sunetra Giridhar, « Detailed analysis of the variable star population in the globular cluster NGC 7006 », Monthly Notices of the Royal Astronomical Society, vol. 519, no 2, , p. 2451-2465 (DOI10.1093/mnras/stac3650, lire en ligne [PDF])
J. Boyles, D. R. Lorimer, P. J. Turk, R. Mnatsakanov, S. Lynch, S. M. Ransom, P. C. Freire et K. Belczynski, « YOUNG RADIO PULSARS IN GALACTIC GLOBULAR CLUSTERS », The Astrophysical Journal, vol. 742, no 1, , p. 12 pages (DOI10.1088/0004-637X/742/1/51, Bibcode2011ApJ...742...51B, lire en ligne [PDF])
Aaron Dotter, Ata Sarajedini et Jay Anderson, « GLOBULAR CLUSTERS IN THE OUTER GALACTIC HALO: NEW HUBBLE SPACE TELESCOPE/ADVANCED CAMERA FOR SURVEYS IMAGING OF SIX GLOBULAR CLUSTERS AND THE GALACTIC GLOBULAR CLUSTER AGE–METALLICITY RELATION », The Astrophysical Journal, vol. 738, no 1, , p. 11 pages (DOI10.1088/0004-637X/738/1/74, lire en ligne [html])
J. Boyles, D. R. Lorimer, P. J. Turk, R. Mnatsakanov, S. Lynch, S. M. Ransom, P. C. Freire et K. Belczynski, « YOUNG RADIO PULSARS IN GALACTIC GLOBULAR CLUSTERS », The Astrophysical Journal, vol. 742, no 1, , p. 12 pages (DOI10.1088/0004-637X/742/1/51, Bibcode2011ApJ...742...51B, lire en ligne [PDF])
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J. Boyles, D. R. Lorimer, P. J. Turk, R. Mnatsakanov, S. Lynch, S. M. Ransom, P. C. Freire et K. Belczynski, « YOUNG RADIO PULSARS IN GALACTIC GLOBULAR CLUSTERS », The Astrophysical Journal, vol. 742, no 1, , p. 12 pages (DOI10.1088/0004-637X/742/1/51, Bibcode2011ApJ...742...51B, lire en ligne [PDF])
Aaron Dotter, Ata Sarajedini et Jay Anderson, « GLOBULAR CLUSTERS IN THE OUTER GALACTIC HALO: NEW HUBBLE SPACE TELESCOPE/ADVANCED CAMERA FOR SURVEYS IMAGING OF SIX GLOBULAR CLUSTERS AND THE GALACTIC GLOBULAR CLUSTER AGE–METALLICITY RELATION », The Astrophysical Journal, vol. 738, no 1, , p. 11 pages (DOI10.1088/0004-637X/738/1/74, lire en ligne [html])