M. López-Corredoira, C. Allende Prieto, F. Garzón, H. Wang, C. Liu: Disk stars in the Milky Way detected beyond 25 kpc from its center. In: Astronomy & Astrophysics. Band612, April 2018, ISSN0004-6361, S.L8, doi:10.1051/0004-6361/201832880 (aanda.org [abgerufen am 13. Juni 2018]).
D. J. Majaess: Concerning the Distance to the Center of the Milky Way and Its Structure. In: Acta Astronomica. Band60, Nr.1, März 2010, S.55, arxiv:1002.2743, bibcode:2010AcA....60...55M.
D. J. Majaess, D. G. Turner, D. J. Lane: Searching Beyond the Obscuring Dust Between the Cygnus-Aquila Rifts for Cepheid Tracers of the Galaxy’s Spiral Arms. In: The Journal of the American Association of Variable Star Observers. Band37, 2009, S.179, arxiv:0909.0897, bibcode:2009JAVSO..37..179M.
M. López-Corredoira, C. Allende Prieto, F. Garzón, H. Wang, C. Liu: Disk stars in the Milky Way detected beyond 25 kpc from its center. In: Astronomy & Astrophysics. Band612, April 2018, ISSN0004-6361, S.L8, doi:10.1051/0004-6361/201832880 (aanda.org [abgerufen am 13. Juni 2018]).
M. J. Reid, A. C. S. Readhead, R. C. Vermeulen, R. N. Treuhaft: The Proper Motion of Sagittarius A*. I. First VLBA Results. In: The Astrophysical Journal. Band524, Nr.2, 1999, S.816–823, doi:10.1086/307855, bibcode:1999ApJ...524..816R.
T. J. Cox, Abraham Loeb: The collision between the Milky Way and Andromeda. In: Monthly Notices of the Royal Astronomical Society. Band386, Nr.1, Mai 2008, S.461–474, doi:10.1111/j.1365-2966.2008.13048.x.
B. M. Gaensler, G. J. Madsen, S. Chatterjee, S. A. Mao: The Scale Height and Filling Factor of Warm Ionized Gas in the Milky Way. In: Bulletin of the American Astronomical Society. Band39, Nr.4, 2007, S.762, bibcode:2007AAS...211.1420G.
R. A. Benjamin: The Spiral Structure of the Galaxy: Something Old, Something New… Pacific Conference. In: H. Beuther, H. Linz, T. Henning (Hrsg.): Massive Star Formation: Observations Confront Theory. Band387. Astronomical Society of the Pacific Conference Series, 2008, S.375, bibcode:2008ASPC..387..375B (englisch). Siehe auch Jeanna Bryner: New Images: Milky Way Loses Two Arms. In: Space.com. 3. Juni 2008, abgerufen am 4. Juni 2008.
D. J. Majaess: Concerning the Distance to the Center of the Milky Way and Its Structure. In: Acta Astronomica. Band60, Nr.1, März 2010, S.55, arxiv:1002.2743, bibcode:2010AcA....60...55M.
D. J. Majaess, D. G. Turner, D. J. Lane: Searching Beyond the Obscuring Dust Between the Cygnus-Aquila Rifts for Cepheid Tracers of the Galaxy’s Spiral Arms. In: The Journal of the American Association of Variable Star Observers. Band37, 2009, S.179, arxiv:0909.0897, bibcode:2009JAVSO..37..179M.
M. J. Reid, A. C. S. Readhead, R. C. Vermeulen, R. N. Treuhaft: The Proper Motion of Sagittarius A*. I. First VLBA Results. In: The Astrophysical Journal. Band524, Nr.2, 1999, S.816–823, doi:10.1086/307855, bibcode:1999ApJ...524..816R.
J. J. Matese, K. A. Innanen, M. J. Valtonen: Variable Oort cloud flux due to the Galactic tide. In: M. Ya. Marov, H. Rickman (Hrsg.): Collisional processes in the solar system. (= Astrophysics and Space Science Library. Vol. 261). Kluwer Academic Publishers, Dordrecht 2001, ISBN 0-7923-6946-7, S. 91–102 (PDF, 258 kB).
R. A. Benjamin: The Spiral Structure of the Galaxy: Something Old, Something New… Pacific Conference. In: H. Beuther, H. Linz, T. Henning (Hrsg.): Massive Star Formation: Observations Confront Theory. Band387. Astronomical Society of the Pacific Conference Series, 2008, S.375, bibcode:2008ASPC..387..375B (englisch). Siehe auch Jeanna Bryner: New Images: Milky Way Loses Two Arms. In: Space.com. 3. Juni 2008, abgerufen am 4. Juni 2008.
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Lokale Gruppe. In: spektrum.de. Abgerufen am 27. April 2019.
M. López-Corredoira, C. Allende Prieto, F. Garzón, H. Wang, C. Liu: Disk stars in the Milky Way detected beyond 25 kpc from its center. In: Astronomy & Astrophysics. Band612, April 2018, ISSN0004-6361, S.L8, doi:10.1051/0004-6361/201832880 (aanda.org [abgerufen am 13. Juni 2018]).