Otero, Sebastian Alberto. Alpha Ursae Minoris. The International Variable Star Index. American Association of Variable Star Observers. 2007-12-04 [2014-05-16]. (原始内容存档于2014-05-17).
Watson, Christopher. Gamma Ursae Minoris. The International Variable Star Index. American Association of Variable Star Observers. 2010-01-04 [2014-05-18]. (原始内容存档于2014-05-18).
Templeton, Matthew. Delta Scuti and the Delta Scuti Variables. Variable Star of the Season. AAVSO (American Association of Variable Star Observers). 2010-07-16 [2014-08-19]. (原始内容存档于2020-05-24).
Watson, Christopher. Lambda Ursae Minoris. The International Variable Star Index. American Association of Variable Star Observers. 2010-01-04 [2014-06-21]. (原始内容存档于2015-04-02).
Otero, Sebastian Alberto. RR Ursae Minoris. The International Variable Star Index. American Association of Variable Star Observers. 2009-11-16 [2014-05-18]. (原始内容存档于2014-05-18).
Watson, Christopher. W Ursae Minoris. The International Variable Star Index. American Association of Variable Star Observers. 2010-01-04 [2015-07-18]. (原始内容存档于2015-06-10).
Watson, Christopher. RU Ursae Minoris. The International Variable Star Index. American Association of Variable Star Observers. 2010-01-04 [2015-07-18]. (原始内容存档于2016-01-15).
Watson, Christopher. RU Ursae Minoris. The International Variable Star Index. American Association of Variable Star Observers. 2010-01-04 [2015-07-18]. (原始内容存档于2016-01-15).
Pasinetti Fracassini, L. E.; Pastori, L.; Covino, S.; Pozzi, A. Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS) – Third edition – Comments and statistics. Astronomy and Astrophysics. February 2001, 367: 521–24. Bibcode:2001A&A...367..521P. arXiv:astro-ph/0012289. doi:10.1051/0004-6361:20000451.
Uttenthaler, S.; van Stiphout, K.; Voet, K.; van Winckel, H.; van Eck, S.; Jorissen, A.; Kerschbaum, F.; Raskin, G.; Prins, S.; Pessemier, W.; Waelkens, C.; Frémat, Y.; Hensberge, H.; Dumortier, L.; Lehmann, H. The Evolutionary State of Miras with Changing Pulsation Periods. Astronomy and Astrophysics. 2011, 531: A88. Bibcode:2011A&A...531A..88U. arXiv:1105.2198. doi:10.1051/0004-6361/201116463.
Kirkpatrick, J. Davy; Cushing, Michael C.; Gelino, Christopher R.; Griffith, Roger L.; Skrutskie, Michael F.; Marsh, Kenneth A.; Wright, Edward L.; Mainzer, A.; Eisenhardt, Peter R.; McLean, Ian S.; Thompson, Maggie A.; Bauer, James M.; Benford, Dominic J.; Bridge, Carrie R.; Lake, Sean E.; Petty, Sara M.; Stanford, S. A.; Tsai, Chao-Wei; Bailey, Vanessa; Beichman, Charles A.; Bloom, Joshua S.; Bochanski, John J.; Burgasser, Adam J.; Capak, Peter L.; Cruz, Kelle L.; Hinz, Philip M.; Kartaltepe, Jeyhan S.; Knox, Russell P.; Manohar, Swarnima; Masters, Daniel; Morales-Calderon, Maria; Prato, Lisa A.; Rodigas, Timothy J.; Salvato, Mara; Schurr, Steven D.; Scoville, Nicholas Z.; Simcoe, Robert A.; Stapelfeldt, Karl R.; Stern, Daniel; Stock, Nathan D.; Vacca, William D. The First Hundred Brown Dwarfs Discovered by the Wide-field Infrared Survey Explorer (WISE). The Astrophysical Journal Supplement. 2011, 197 (2): 19. Bibcode:2011ApJS..197...19K. arXiv:1108.4677v1. doi:10.1088/0067-0049/197/2/19.
Wright, J.T.; Marcy, G.W.; Fischer, D. A.; Butler, R. P.; Vogt, S. S.; Tinney, C. G.; Jones, H. R. A.; Carter, B. D.; Johnson, J. A.; McCarthy, C.; Apps, K. Four New Exoplanets and Hints of Additional Substellar Companions to Exoplanet Host Stars. The Astrophysical Journal. 2007, 657 (1): 533–45. Bibcode:2007ApJ...657..533W. arXiv:astro-ph/0611658. doi:10.1086/510553.
Boisse, I.; Pepe, F.; Perrier, C.; Queloz, D.; Bonfils, X.; Bouchy, F.; Santos, N. C.; Arnold, L.; Beuzit, J.-L.; Díaz, R. F.; Delfosse, X.; Eggenberger, A.; Ehrenreich, D.; Forveille, T.; Hébrard, G.; Lagrange, A.-M.; Lovis, C.; Mayor, M.; Moutou, C.; Naef, D.; Santerne, A.; Ségransan, D.; Sivan, J.-P.; Udry, S. The SOPHIE Search for Northern Extrasolar Planets. V. Follow-up of ELODIE Candidates: Jupiter-analogs around Sun-like Stars. Astronomy & Astrophysics. 2012, 545. A55. Bibcode:2012A&A...545A..55B. arXiv:1205.5835. doi:10.1051/0004-6361/201118419.
Pasinetti Fracassini, L. E.; Pastori, L.; Covino, S.; Pozzi, A. Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS) – Third edition – Comments and statistics. Astronomy and Astrophysics. February 2001, 367: 521–24. Bibcode:2001A&A...367..521P. arXiv:astro-ph/0012289. doi:10.1051/0004-6361:20000451.
Uttenthaler, S.; van Stiphout, K.; Voet, K.; van Winckel, H.; van Eck, S.; Jorissen, A.; Kerschbaum, F.; Raskin, G.; Prins, S.; Pessemier, W.; Waelkens, C.; Frémat, Y.; Hensberge, H.; Dumortier, L.; Lehmann, H. The Evolutionary State of Miras with Changing Pulsation Periods. Astronomy and Astrophysics. 2011, 531: A88. Bibcode:2011A&A...531A..88U. arXiv:1105.2198. doi:10.1051/0004-6361/201116463.
Kreiner, J. M.; Pribulla, T.; Tremko, J.; Stachowski, G. S.; Zakrzewski, B. Period Analysis of Three Close Binary Systems: TW And, TT Her and W UMi. Monthly Notices of the Royal Astronomical Society. 2008, 383 (4): 1506–12. Bibcode:2008MNRAS.383.1506K. doi:10.1111/j.1365-2966.2007.12652.x.
Kirkpatrick, J. Davy; Cushing, Michael C.; Gelino, Christopher R.; Griffith, Roger L.; Skrutskie, Michael F.; Marsh, Kenneth A.; Wright, Edward L.; Mainzer, A.; Eisenhardt, Peter R.; McLean, Ian S.; Thompson, Maggie A.; Bauer, James M.; Benford, Dominic J.; Bridge, Carrie R.; Lake, Sean E.; Petty, Sara M.; Stanford, S. A.; Tsai, Chao-Wei; Bailey, Vanessa; Beichman, Charles A.; Bloom, Joshua S.; Bochanski, John J.; Burgasser, Adam J.; Capak, Peter L.; Cruz, Kelle L.; Hinz, Philip M.; Kartaltepe, Jeyhan S.; Knox, Russell P.; Manohar, Swarnima; Masters, Daniel; Morales-Calderon, Maria; Prato, Lisa A.; Rodigas, Timothy J.; Salvato, Mara; Schurr, Steven D.; Scoville, Nicholas Z.; Simcoe, Robert A.; Stapelfeldt, Karl R.; Stern, Daniel; Stock, Nathan D.; Vacca, William D. The First Hundred Brown Dwarfs Discovered by the Wide-field Infrared Survey Explorer (WISE). The Astrophysical Journal Supplement. 2011, 197 (2): 19. Bibcode:2011ApJS..197...19K. arXiv:1108.4677v1. doi:10.1088/0067-0049/197/2/19.
Wright, J.T.; Marcy, G.W.; Fischer, D. A.; Butler, R. P.; Vogt, S. S.; Tinney, C. G.; Jones, H. R. A.; Carter, B. D.; Johnson, J. A.; McCarthy, C.; Apps, K. Four New Exoplanets and Hints of Additional Substellar Companions to Exoplanet Host Stars. The Astrophysical Journal. 2007, 657 (1): 533–45. Bibcode:2007ApJ...657..533W. arXiv:astro-ph/0611658. doi:10.1086/510553.
Boisse, I.; Pepe, F.; Perrier, C.; Queloz, D.; Bonfils, X.; Bouchy, F.; Santos, N. C.; Arnold, L.; Beuzit, J.-L.; Díaz, R. F.; Delfosse, X.; Eggenberger, A.; Ehrenreich, D.; Forveille, T.; Hébrard, G.; Lagrange, A.-M.; Lovis, C.; Mayor, M.; Moutou, C.; Naef, D.; Santerne, A.; Ségransan, D.; Sivan, J.-P.; Udry, S. The SOPHIE Search for Northern Extrasolar Planets. V. Follow-up of ELODIE Candidates: Jupiter-analogs around Sun-like Stars. Astronomy & Astrophysics. 2012, 545. A55. Bibcode:2012A&A...545A..55B. arXiv:1205.5835. doi:10.1051/0004-6361/201118419.
Perley, R. A.; Bridle, A. H.; Willis, A. G. High-resolution VLA Observations of the Radio Jet in NGC 6251. Astrophysical Journal Supplement Series. 1984, 54: 291–334. Bibcode:1984ApJS...54..291P. doi:10.1086/190931.
Pasinetti Fracassini, L. E.; Pastori, L.; Covino, S.; Pozzi, A. Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS) – Third edition – Comments and statistics. Astronomy and Astrophysics. February 2001, 367: 521–24. Bibcode:2001A&A...367..521P. arXiv:astro-ph/0012289. doi:10.1051/0004-6361:20000451.
Uttenthaler, S.; van Stiphout, K.; Voet, K.; van Winckel, H.; van Eck, S.; Jorissen, A.; Kerschbaum, F.; Raskin, G.; Prins, S.; Pessemier, W.; Waelkens, C.; Frémat, Y.; Hensberge, H.; Dumortier, L.; Lehmann, H. The Evolutionary State of Miras with Changing Pulsation Periods. Astronomy and Astrophysics. 2011, 531: A88. Bibcode:2011A&A...531A..88U. arXiv:1105.2198. doi:10.1051/0004-6361/201116463.
Kreiner, J. M.; Pribulla, T.; Tremko, J.; Stachowski, G. S.; Zakrzewski, B. Period Analysis of Three Close Binary Systems: TW And, TT Her and W UMi. Monthly Notices of the Royal Astronomical Society. 2008, 383 (4): 1506–12. Bibcode:2008MNRAS.383.1506K. doi:10.1111/j.1365-2966.2007.12652.x.
Kirkpatrick, J. Davy; Cushing, Michael C.; Gelino, Christopher R.; Griffith, Roger L.; Skrutskie, Michael F.; Marsh, Kenneth A.; Wright, Edward L.; Mainzer, A.; Eisenhardt, Peter R.; McLean, Ian S.; Thompson, Maggie A.; Bauer, James M.; Benford, Dominic J.; Bridge, Carrie R.; Lake, Sean E.; Petty, Sara M.; Stanford, S. A.; Tsai, Chao-Wei; Bailey, Vanessa; Beichman, Charles A.; Bloom, Joshua S.; Bochanski, John J.; Burgasser, Adam J.; Capak, Peter L.; Cruz, Kelle L.; Hinz, Philip M.; Kartaltepe, Jeyhan S.; Knox, Russell P.; Manohar, Swarnima; Masters, Daniel; Morales-Calderon, Maria; Prato, Lisa A.; Rodigas, Timothy J.; Salvato, Mara; Schurr, Steven D.; Scoville, Nicholas Z.; Simcoe, Robert A.; Stapelfeldt, Karl R.; Stern, Daniel; Stock, Nathan D.; Vacca, William D. The First Hundred Brown Dwarfs Discovered by the Wide-field Infrared Survey Explorer (WISE). The Astrophysical Journal Supplement. 2011, 197 (2): 19. Bibcode:2011ApJS..197...19K. arXiv:1108.4677v1. doi:10.1088/0067-0049/197/2/19.
Wright, J.T.; Marcy, G.W.; Fischer, D. A.; Butler, R. P.; Vogt, S. S.; Tinney, C. G.; Jones, H. R. A.; Carter, B. D.; Johnson, J. A.; McCarthy, C.; Apps, K. Four New Exoplanets and Hints of Additional Substellar Companions to Exoplanet Host Stars. The Astrophysical Journal. 2007, 657 (1): 533–45. Bibcode:2007ApJ...657..533W. arXiv:astro-ph/0611658. doi:10.1086/510553.
Boisse, I.; Pepe, F.; Perrier, C.; Queloz, D.; Bonfils, X.; Bouchy, F.; Santos, N. C.; Arnold, L.; Beuzit, J.-L.; Díaz, R. F.; Delfosse, X.; Eggenberger, A.; Ehrenreich, D.; Forveille, T.; Hébrard, G.; Lagrange, A.-M.; Lovis, C.; Mayor, M.; Moutou, C.; Naef, D.; Santerne, A.; Ségransan, D.; Sivan, J.-P.; Udry, S. The SOPHIE Search for Northern Extrasolar Planets. V. Follow-up of ELODIE Candidates: Jupiter-analogs around Sun-like Stars. Astronomy & Astrophysics. 2012, 545. A55. Bibcode:2012A&A...545A..55B. arXiv:1205.5835. doi:10.1051/0004-6361/201118419.
Perley, R. A.; Bridle, A. H.; Willis, A. G. High-resolution VLA Observations of the Radio Jet in NGC 6251. Astrophysical Journal Supplement Series. 1984, 54: 291–334. Bibcode:1984ApJS...54..291P. doi:10.1086/190931.
Otero, Sebastian Alberto. Alpha Ursae Minoris. The International Variable Star Index. American Association of Variable Star Observers. 2007-12-04 [2014-05-16]. (原始内容存档于2014-05-17).
Watson, Christopher. Gamma Ursae Minoris. The International Variable Star Index. American Association of Variable Star Observers. 2010-01-04 [2014-05-18]. (原始内容存档于2014-05-18).
Kaler, James B. Pherkad. Stars. University of Illinois. 2013-12-20 [2014-05-18]. (原始内容存档于2019-04-28).
Templeton, Matthew. Delta Scuti and the Delta Scuti Variables. Variable Star of the Season. AAVSO (American Association of Variable Star Observers). 2010-07-16 [2014-08-19]. (原始内容存档于2020-05-24).
Kaler, James B. Alifa al Farkadain. Stars. University of Illinois. [2014-06-21]. (原始内容存档于2014-08-07).
Zeta Ursae Minoris – Variable Star. SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. [2014-06-21]. (原始内容存档于2015-04-02).
Kaler, James B. Anwar al Farkadain. Stars. University of Illinois. [2014-06-21]. (原始内容存档于2014-08-07).
Eta Ursae Minoris. SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. [2014-07-30]. (原始内容存档于2014-08-19).
Watson, Christopher. Lambda Ursae Minoris. The International Variable Star Index. American Association of Variable Star Observers. 2010-01-04 [2014-06-21]. (原始内容存档于2015-04-02).
Otero, Sebastian Alberto. RR Ursae Minoris. The International Variable Star Index. American Association of Variable Star Observers. 2009-11-16 [2014-05-18]. (原始内容存档于2014-05-18).
Watson, Christopher. W Ursae Minoris. The International Variable Star Index. American Association of Variable Star Observers. 2010-01-04 [2015-07-18]. (原始内容存档于2015-06-10).