Szabó, Gy. M.; Kiss, L. L.; Sárneczky, K. (2008). «Cometary Activity at 25.7 AU: Hale-Bopp 11 Years after Perihelion». Astrophysical Journal Letters677 (2): 121. doi:10.1086/588095. Bibcode: 2008ApJ...677L.121S.
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Ganesh, S.; Joshi, U. C.; Baliyan, K. S.; Deshpande, M. R. (1998). «Polarimetric observations of the comet Hale-Bopp». Astronomy and Astrophysics Supplement129 (5): 489–493. doi:10.1051/aas:1998201. Bibcode: 1998A&AS..129..489G.
Cremonese, G; Boehnhardt, Η; Crovisier, J; Rauer, Η; Fitzsimmons, A; Fulle, M; Licandro, J; Pollacco, D και άλλοι. (1997). «Neutral Sodium from Comet Hale–Bopp: A Third Type of Tail». The Astrophysical Journal Letters490 (2): L199–L202. doi:10.1086/311040. Bibcode: 1997ApJ...490L.199C.
Wilson, J. K.; Baumgardner, J.; Mendillo, M. (1998). «Three tails of comet Hale-Bopp». Geophysical Research Letters25 (3): 225–228. doi:10.1029/97GL03704. Bibcode: 1998GeoRL..25..225W.
Stern, S. A.; Slater, D. C.; Festou, M. C.; Parker, J. Wm.; Gladstone, G. R.; A’hearn, M. F.; Wilkinson, E. (2000). «The Discovery of Argon in Comet C/1995 O1 (Hale-Bopp)». The Astrophysical Journal544 (2): L169–L172. doi:10.1086/317312. Bibcode: 2000ApJ...544L.169S.
Krasnopolsky, Vladimir A.; Mumma, MJ; Abbott, M; Flynn, BC; Meech, KJ; Yeomans, DK; Feldman, PD; Cosmovici, CB (1997). «Detection of Soft X-rays and a Sensitive Search for Noble Gases in Comet Hale-Bopp (C/1995 O1)». Science277 (5331): 1488–1491. doi:10.1126/science.277.5331.1488. PMID9278508. Bibcode: 1997Sci...277.1488K.
Warell, J; Lagerkvist, C.-I; Lagerros, J. S. V (1999). «Dust continuum imaging of C/1995 O1 (Hale-Bopp): Rotation period and dust outflow velocity». Astronomy and Astrophysics Supplement Series136 (2): 245–256. doi:10.1051/aas:1999213. Bibcode: 1999A&AS..136..245W.
Tholen, David J. (15 Ιανουαρίου 1997). «Fraudulent use of an IfA/UH picture». European Organisation for Astronomical Research in the Southern Hemisphere. Αρχειοθετήθηκε από το πρωτότυπο στις 30 Σεπτεμβρίου 2007. Ανακτήθηκε στις 14 Οκτωβρίου 2008.
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Szabó, Gy. M.; Kiss, L. L.; Sárneczky, K. (2008). «Cometary Activity at 25.7 AU: Hale-Bopp 11 Years after Perihelion». Astrophysical Journal Letters677 (2): 121. doi:10.1086/588095. Bibcode: 2008ApJ...677L.121S.
Szabó, M.; Sárneczky, K.; Kiss, L. L. (2011). «Frozen to death? -- Detection of comet Hale-Bopp at 30.7 AU». Earth and Planetary Astrophysics. Bibcode: 2011arXiv1104.4351S.
Mason, C. G.; Gehrz, R. D.; Jones, T. J.; Woodward, C E.; Hanner, M. S.; Williams, D. M. (2001). «Observations of Unusually Small Dust Grains in the Coma of Comet Hale-Bopp C/1995 O1». The Astrophysical Journal549 (1): 635–646. doi:10.1086/319039. Bibcode: 2001ApJ...549..635M.
Ganesh, S.; Joshi, U. C.; Baliyan, K. S.; Deshpande, M. R. (1998). «Polarimetric observations of the comet Hale-Bopp». Astronomy and Astrophysics Supplement129 (5): 489–493. doi:10.1051/aas:1998201. Bibcode: 1998A&AS..129..489G.
Cremonese, G; Boehnhardt, Η; Crovisier, J; Rauer, Η; Fitzsimmons, A; Fulle, M; Licandro, J; Pollacco, D και άλλοι. (1997). «Neutral Sodium from Comet Hale–Bopp: A Third Type of Tail». The Astrophysical Journal Letters490 (2): L199–L202. doi:10.1086/311040. Bibcode: 1997ApJ...490L.199C.
Wilson, J. K.; Baumgardner, J.; Mendillo, M. (1998). «Three tails of comet Hale-Bopp». Geophysical Research Letters25 (3): 225–228. doi:10.1029/97GL03704. Bibcode: 1998GeoRL..25..225W.
Stern, S. A.; Slater, D. C.; Festou, M. C.; Parker, J. Wm.; Gladstone, G. R.; A’hearn, M. F.; Wilkinson, E. (2000). «The Discovery of Argon in Comet C/1995 O1 (Hale-Bopp)». The Astrophysical Journal544 (2): L169–L172. doi:10.1086/317312. Bibcode: 2000ApJ...544L.169S.
Krasnopolsky, Vladimir A.; Mumma, MJ; Abbott, M; Flynn, BC; Meech, KJ; Yeomans, DK; Feldman, PD; Cosmovici, CB (1997). «Detection of Soft X-rays and a Sensitive Search for Noble Gases in Comet Hale-Bopp (C/1995 O1)». Science277 (5331): 1488–1491. doi:10.1126/science.277.5331.1488. PMID9278508. Bibcode: 1997Sci...277.1488K.
Warell, J; Lagerkvist, C.-I; Lagerros, J. S. V (1999). «Dust continuum imaging of C/1995 O1 (Hale-Bopp): Rotation period and dust outflow velocity». Astronomy and Astrophysics Supplement Series136 (2): 245–256. doi:10.1051/aas:1999213. Bibcode: 1999A&AS..136..245W.
Tholen, David J. (15 Ιανουαρίου 1997). «Fraudulent use of an IfA/UH picture». European Organisation for Astronomical Research in the Southern Hemisphere. Αρχειοθετήθηκε από το πρωτότυπο στις 30 Σεπτεμβρίου 2007. Ανακτήθηκε στις 14 Οκτωβρίου 2008.