A. Delsanti, F. Merlin, A. Guilbert–Lepoutre e o seu equipo. (2010). "Methane, ammonia, and their irradiation products at the surface of an intermediate-size KBO? A portrait of Plutino (90482) Orcus". Astronomy and Astrophysics627 (2): 1057. Bibcode:2010A&A...520A..40D. arXiv:1006.4962. doi:10.1051/0004-6361/201014296.
T.L. Lim, J. Stansberry, T.G. Müller (2010). ""TNOs are Cool": A survey of the trans-Neptunian region III. Thermophysical properties of 90482 Orcus and 136472 Makemake". Astronomy and Astrophysics518: L148. Bibcode:2010A&A...518L.148L. doi:10.1051/0004-6361/201014701.
Barucci, M. A.; Merlin; Guilbert; Bergh; Doressoundiram; et al. (2008). "Surface composition and temperature of the TNO Orcus". Astronomy and Astrophysics479 (1): L13–L16. Bibcode:2008A&A...479L..13B. doi:10.1051/0004-6361:20079079.
C. de Bergh; A. Delsanti, G. P. Tozzi, E. Dotto, A. Doressoundiram e M. A. Barucci (2005). "The Surface of the Transneptunian Object 9048 Orcus". Astronomy & Astrophysics437 (3): 1115–1120. Bibcode:2005A&A...437.1115D. doi:10.1051/0004-6361:20042533.
A. Delsanti, F. Merlin, A. Guilbert–Lepoutre e o seu equipo. (2010). "Methane, ammonia, and their irradiation products at the surface of an intermediate-size KBO? A portrait of Plutino (90482) Orcus". Astronomy and Astrophysics627 (2): 1057. Bibcode:2010A&A...520A..40D. arXiv:1006.4962. doi:10.1051/0004-6361/201014296.
T.L. Lim, J. Stansberry, T.G. Müller (2010). ""TNOs are Cool": A survey of the trans-Neptunian region III. Thermophysical properties of 90482 Orcus and 136472 Makemake". Astronomy and Astrophysics518: L148. Bibcode:2010A&A...518L.148L. doi:10.1051/0004-6361/201014701.
Barucci, M. A.; Merlin; Guilbert; Bergh; Doressoundiram; et al. (2008). "Surface composition and temperature of the TNO Orcus". Astronomy and Astrophysics479 (1): L13–L16. Bibcode:2008A&A...479L..13B. doi:10.1051/0004-6361:20079079.
C. de Bergh; A. Delsanti, G. P. Tozzi, E. Dotto, A. Doressoundiram e M. A. Barucci (2005). "The Surface of the Transneptunian Object 9048 Orcus". Astronomy & Astrophysics437 (3): 1115–1120. Bibcode:2005A&A...437.1115D. doi:10.1051/0004-6361:20042533.
A. Delsanti, F. Merlin, A. Guilbert–Lepoutre e o seu equipo. (2010). "Methane, ammonia, and their irradiation products at the surface of an intermediate-size KBO? A portrait of Plutino (90482) Orcus". Astronomy and Astrophysics627 (2): 1057. Bibcode:2010A&A...520A..40D. arXiv:1006.4962. doi:10.1051/0004-6361/201014296.