Nishiyama, Shogo; Nagata, Tetsuya; Sato, Shuji; Kato, Daisuke; Nagayama, Takahiro; Kusakabe, Nobuhiko; Matsunaga, Noriyuki; Naoi, Takahiro; Sugitani, Koji; Tamura, Motohide (2006). «The Distance to the Galactic Center Derived from Infrared Photometry of Bulge Red Clump Stars». The Astrophysical Journal. 647 (2). 1093 páginas. Bibcode:2006ApJ...647.1093N. arXiv:astro-ph/0607408. doi:10.1086/505529
Alves, David R.; Sarajedini, Ata (1999). «The Age-dependent Luminosities of the Red Giant Branch Bump, Asymptotic Giant Branch Bump, and Horizontal Branch Red Clump». The Astrophysical Journal. 511. 225 páginas. Bibcode:1999ApJ...511..225A. arXiv:astro-ph/9808253. doi:10.1086/306655
Sarajedini, Ata (1999). «WIYN Open Cluster Study. III. The Observed Variation of the Red Clump Luminosity and Color with Metallicity and Age». The Astronomical Journal. 118 (5). 2321 páginas. Bibcode:1999AJ....118.2321S. doi:10.1086/301112
Zhao, G.; Qiu, H. M.; Mao, Shude (2001). «High-Resolution Spectroscopic Observations of Hipparcos Red Clump Giants: Metallicity and Mass Determinations». The Astrophysical Journal. 551: L85. Bibcode:2001ApJ...551L..85Z. doi:10.1086/319832
Nishiyama, Shogo; Nagata, Tetsuya; Sato, Shuji; Kato, Daisuke; Nagayama, Takahiro; Kusakabe, Nobuhiko; Matsunaga, Noriyuki; Naoi, Takahiro; Sugitani, Koji; Tamura, Motohide (2006). «The Distance to the Galactic Center Derived from Infrared Photometry of Bulge Red Clump Stars». The Astrophysical Journal. 647 (2). 1093 páginas. Bibcode:2006ApJ...647.1093N. arXiv:astro-ph/0607408. doi:10.1086/505529
Alves, David R.; Sarajedini, Ata (1999). «The Age-dependent Luminosities of the Red Giant Branch Bump, Asymptotic Giant Branch Bump, and Horizontal Branch Red Clump». The Astrophysical Journal. 511. 225 páginas. Bibcode:1999ApJ...511..225A. arXiv:astro-ph/9808253. doi:10.1086/306655
Ayres, Thomas R.; Simon, Theodore; Stern, Robert A.; Drake, Stephen A.; Wood, Brian E.; Brown, Alexander (1998). «The Coronae of Moderate-Mass Giants in the Hertzsprung Gap and the Clump». The Astrophysical Journal. 496. 428 páginas. Bibcode:1998ApJ...496..428A. doi:10.1086/305347
Sarajedini, Ata (1999). «WIYN Open Cluster Study. III. The Observed Variation of the Red Clump Luminosity and Color with Metallicity and Age». The Astronomical Journal. 118 (5). 2321 páginas. Bibcode:1999AJ....118.2321S. doi:10.1086/301112
Zhao, G.; Qiu, H. M.; Mao, Shude (2001). «High-Resolution Spectroscopic Observations of Hipparcos Red Clump Giants: Metallicity and Mass Determinations». The Astrophysical Journal. 551: L85. Bibcode:2001ApJ...551L..85Z. doi:10.1086/319832
Nishiyama, Shogo; Nagata, Tetsuya; Sato, Shuji; Kato, Daisuke; Nagayama, Takahiro; Kusakabe, Nobuhiko; Matsunaga, Noriyuki; Naoi, Takahiro; Sugitani, Koji; Tamura, Motohide (2006). «The Distance to the Galactic Center Derived from Infrared Photometry of Bulge Red Clump Stars». The Astrophysical Journal. 647 (2). 1093 páginas. Bibcode:2006ApJ...647.1093N. arXiv:astro-ph/0607408. doi:10.1086/505529
Alves, David R.; Sarajedini, Ata (1999). «The Age-dependent Luminosities of the Red Giant Branch Bump, Asymptotic Giant Branch Bump, and Horizontal Branch Red Clump». The Astrophysical Journal. 511. 225 páginas. Bibcode:1999ApJ...511..225A. arXiv:astro-ph/9808253. doi:10.1086/306655
Ayres, Thomas R.; Simon, Theodore; Stern, Robert A.; Drake, Stephen A.; Wood, Brian E.; Brown, Alexander (1998). «The Coronae of Moderate-Mass Giants in the Hertzsprung Gap and the Clump». The Astrophysical Journal. 496. 428 páginas. Bibcode:1998ApJ...496..428A. doi:10.1086/305347
Maeckle, R.; Holweger, H.; Griffin, R.; Griffin, R. (1975). «A model-atmosphere analysis of the spectrum of Arcturus». Astronomy and Astrophysics. 38. 239 páginas. Bibcode:1975A&A....38..239M