Duncan A. Forbes, Paul Lasky, Alister W. Graham et Lee Spitler, « Uniting old stellar systems: from globular clusters to giant ellipticals », Monthly Notices of the Royal Astronomical Society, vol. 389, no 4, , p. 1924-1936 (DOI10.1111/j.1365-2966.2008.13739.x, Bibcode2008MNRAS.389.1924F, lire en ligne [PDF])
Laura L. Watkins, Roeland P. van der Marel, Sangmo Tony Sohn et N. Wyn Evans, « Evidence for an Intermediate-mass Milky Way from Gaia DR2 Halo Globular Cluster Motions », The Astronomical Journal, vol. 873, no 2, , p. 16 pages (DOI10.3847/1538-4357/ab089f, 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])
David M. Nataf, Rosemary F. G. Wyse, Ricardo P. Schiavon, Yuan-Sen Ting, Dante Minniti, Roger E Cohen, José G. Fernández-Trincado, Douglas Geisler, Christian Nitschelm et Peter M. Frinchaboy, « The Relationship between Globular Cluster Mass, Metallicity, and Light-element Abundance Variations », The Astronomical Journal, vol. 158, no 1, , p. 39 pages (DOI10.3847/1538-3881/ab1a27, 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])
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])
Duncan A. Forbes, Paul Lasky, Alister W. Graham et Lee Spitler, « Uniting old stellar systems: from globular clusters to giant ellipticals », Monthly Notices of the Royal Astronomical Society, vol. 389, no 4, , p. 1924-1936 (DOI10.1111/j.1365-2966.2008.13739.x, Bibcode2008MNRAS.389.1924F, lire en ligne [PDF])
P. B. Kouzma, G. S. Da Costa, A. D. Mackey et T. A. Roderick, « The outer envelopes of globular clusters – I. NGC 7089 (M2) », Monthly Notices of the Royal Astronomical Society, vol. 461, no 4, , p. 3639-3652 (DOI10.1093/mnras/stw1561, lire en ligne [html])
Laura L. Watkins, Roeland P. van der Marel, Sangmo Tony Sohn et N. Wyn Evans, « Evidence for an Intermediate-mass Milky Way from Gaia DR2 Halo Globular Cluster Motions », The Astronomical Journal, vol. 873, no 2, , p. 16 pages (DOI10.3847/1538-4357/ab089f, 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])
David M. Nataf, Rosemary F. G. Wyse, Ricardo P. Schiavon, Yuan-Sen Ting, Dante Minniti, Roger E Cohen, José G. Fernández-Trincado, Douglas Geisler, Christian Nitschelm et Peter M. Frinchaboy, « The Relationship between Globular Cluster Mass, Metallicity, and Light-element Abundance Variations », The Astronomical Journal, vol. 158, no 1, , p. 39 pages (DOI10.3847/1538-3881/ab1a27, 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])
Rodrigo Ibata, Khyati Malhan et Nicolas Martin, « Charting the Galactic Acceleration Field. I. A Search for Stellar Streams with Gaia DR2 and EDR3 with Follow-up from ESPaDOnS and UVES », The Astrophysical Journal, vol. 914, no 2, , p. 22 pages (DOI10.3847/1538-4357/abfcc2, lire en ligne [PDF])
Carl J. Grillmair, « The Extended Tidal Tails of NGC 7089 (M2) », The Astrophysical Journal, vol. 929, no 1, , p. 8 pages (DOI10.3847/1538-4357/ac5bd7, lire en ligne [PDF])
A. P. Milone, A. F. Marino, G. Piotto et et al., « The Hubble Space Telescope UV Legacy Survey of galactic globular
clusters – II. The seven stellar populations of NGC 7089 (M2) », Monthly Notices of the Royal Astronomical Society, vol. 447, no 1, , p. 927-938 (DOI10.1093/mnras/stu2446, lire en ligne [html])
(en) E. V. Kazarovets et al., « The 82nd Name-List of Variable Stars. Part I - RA 0hr to 18hr, Novae and Globular-cluster Variables », Information Bulletin on Variable Stars, Budapest, Commissions G1 and G4 of the IAU, vol. 63, no 6261, (DOI10.22444/IBVS.6261, Bibcode2019IBVS.6261....1K, lire en ligne)
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])
(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)
Duncan A. Forbes, Paul Lasky, Alister W. Graham et Lee Spitler, « Uniting old stellar systems: from globular clusters to giant ellipticals », Monthly Notices of the Royal Astronomical Society, vol. 389, no 4, , p. 1924-1936 (DOI10.1111/j.1365-2966.2008.13739.x, Bibcode2008MNRAS.389.1924F, lire en ligne [PDF])
(en) E. V. Kazarovets et al., « The 82nd Name-List of Variable Stars. Part I - RA 0hr to 18hr, Novae and Globular-cluster Variables », Information Bulletin on Variable Stars, Budapest, Commissions G1 and G4 of the IAU, vol. 63, no 6261, (DOI10.22444/IBVS.6261, Bibcode2019IBVS.6261....1K, lire en ligne)
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
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])
Rodrigo Ibata, Khyati Malhan et Nicolas Martin, « Charting the Galactic Acceleration Field. I. A Search for Stellar Streams with Gaia DR2 and EDR3 with Follow-up from ESPaDOnS and UVES », The Astrophysical Journal, vol. 914, no 2, , p. 22 pages (DOI10.3847/1538-4357/abfcc2, lire en ligne [PDF])
Carl J. Grillmair, « The Extended Tidal Tails of NGC 7089 (M2) », The Astrophysical Journal, vol. 929, no 1, , p. 8 pages (DOI10.3847/1538-4357/ac5bd7, lire en ligne [PDF])
mtak.hu
real.mtak.hu
(en) E. V. Kazarovets et al., « The 82nd Name-List of Variable Stars. Part I - RA 0hr to 18hr, Novae and Globular-cluster Variables », Information Bulletin on Variable Stars, Budapest, Commissions G1 and G4 of the IAU, vol. 63, no 6261, (DOI10.22444/IBVS.6261, Bibcode2019IBVS.6261....1K, lire en ligne)
P. B. Kouzma, G. S. Da Costa, A. D. Mackey et T. A. Roderick, « The outer envelopes of globular clusters – I. NGC 7089 (M2) », Monthly Notices of the Royal Astronomical Society, vol. 461, no 4, , p. 3639-3652 (DOI10.1093/mnras/stw1561, lire en ligne [html])
A. P. Milone, A. F. Marino, G. Piotto et et al., « The Hubble Space Telescope UV Legacy Survey of galactic globular
clusters – II. The seven stellar populations of NGC 7089 (M2) », Monthly Notices of the Royal Astronomical Society, vol. 447, no 1, , p. 927-938 (DOI10.1093/mnras/stu2446, lire en ligne [html])