John S. Mulchaey, Michael W. Regan et Arunav Kundu, «The Fueling of Nuclear Activity. I. A Near-Infrared Imaging Survey of Seyfert and Normal Galaxies», The Astrophysical Journal Supplement Series, vol.110, no2, , p.299-319 (DOI10.1086/313005, Bibcode1997ApJS..110..299M, lire en ligne[PDF])
Yao-Yuan Mao, Marla Geha, Risa H. Wechsler, Benjamin Weiner, Erik J. Tollerud, Ethan Nadler et Nitya Kallivayalil, «The SAGA Survey. II. Building a Statistical Sample of Satellite Systems around Milky Way-like Galaxies», The Astrophysical Journal, vol.907, no2, , p.35 pages (DOI10.3847/1538-4357/abce58, Bibcode2021ApJ...907...85M, lire en ligne[PDF])
A.M. Garcia, «General study of group membership. II -Determination of nearby groups», Astronomy and Astrophysics Supplement Series, vol.100 #1, , p.47-90 (Bibcode1993A&AS..100...47G, lire en ligne)|format=PDF
(en) P. Fouque, E. Gourgoulhon, P. Chamaraux, G. Paturel, «Groups of galaxies within 80 Mpc. II - The catalogue of groups and group members», Astronomy and Astrophysics Supplement, vol.93, , p.211-233 (Bibcode1992A&AS...93..211F, lire en ligne)
A.M. Garcia, «General study of group membership. II -Determination of nearby groups», Astronomy and Astrophysics Supplement Series, vol.100 #1, , p.47-90 (Bibcode1993A&AS..100...47G, lire en ligne)|format=PDF
(en) P. Fouque, E. Gourgoulhon, P. Chamaraux, G. Paturel, «Groups of galaxies within 80 Mpc. II - The catalogue of groups and group members», Astronomy and Astrophysics Supplement, vol.93, , p.211-233 (Bibcode1992A&AS...93..211F, lire en ligne)
Yao-Yuan Mao, Marla Geha, Risa H. Wechsler, Benjamin Weiner, Erik J. Tollerud, Ethan Nadler et Nitya Kallivayalil, «The SAGA Survey. II. Building a Statistical Sample of Satellite Systems around Milky Way-like Galaxies», The Astrophysical Journal, vol.907, no2, , p.35 pages (DOI10.3847/1538-4357/abce58, Bibcode2021ApJ...907...85M, lire en ligne[PDF])
John S. Mulchaey, Michael W. Regan et Arunav Kundu, «The Fueling of Nuclear Activity. I. A Near-Infrared Imaging Survey of Seyfert and Normal Galaxies», The Astrophysical Journal Supplement Series, vol.110, no2, , p.299-319 (DOI10.1086/313005, Bibcode1997ApJS..110..299M, lire en ligne[PDF])
Yao-Yuan Mao, Marla Geha, Risa H. Wechsler, Benjamin Weiner, Erik J. Tollerud, Ethan Nadler et Nitya Kallivayalil, «The SAGA Survey. II. Building a Statistical Sample of Satellite Systems around Milky Way-like Galaxies», The Astrophysical Journal, vol.907, no2, , p.35 pages (DOI10.3847/1538-4357/abce58, Bibcode2021ApJ...907...85M, lire en ligne[PDF])
John S. Mulchaey, Michael W. Regan et Arunav Kundu, «The Fueling of Nuclear Activity. I. A Near-Infrared Imaging Survey of Seyfert and Normal Galaxies», The Astrophysical Journal Supplement Series, vol.110, no2, , p.299-319 (DOI10.1086/313005, Bibcode1997ApJS..110..299M, lire en ligne[PDF])