^ abcdHenry, Gregory W.; et al. (1995-04), “Starspot evolution, differential rotation, and magnetic cycles in the chromospherically active binaries λ Andromedae, σ Geminorum, II Pegasi, and V711 Tauri”, Astrophysical Journal Supplement Series97 (2): 513-549, Bibcode: 1995ApJS...97..513H, doi:10.1086/192149
^ abcSamus, N. N.; et al. (2009-01), “General Catalogue of Variable Stars”, VizieR On-line Data Catalog: B/gcvs, Bibcode: 2009yCat....102025S
^ abcBarrado y Navascués, D.; et al. (1998-09), “The age-mass relation for chromospherically active binaries. III. Lithium depletion in giant components”, Astronomy & Astrophysics337: 739-753, Bibcode: 1998A&A...337..739B
^ abcdeTautvaišienė, G.; et al. (2010), “Chemical Composition of the RS CVn-type Star Lambda Andromedae”, Baltic Astronomy19: 95-110, Bibcode: 2010BaltA..19...95T
^ abcDonati, J.-F.; Henry, G. W.; Hall, D. S. (1995-01), “Activity, rotation and evolution of the RS CVn system λ Andromedae”, Astronomy & Astrophysics293: 107-126, Bibcode: 1995A&A...293..107D
^van Belle, G. T.; et al. (1999-01), “Radii and Effective Temperatures for G, K, and M Giants and Supergiants”, Astronomical Journal117 (1): 521-533, Bibcode: 1999AJ....117..521V, doi:10.1086/300677
^Dempsey, Robert C.; et al. (1993-08), “The ROSAT All-Sky Survey of active binary coronae. II - Coronal temperatures of the RS Canum Venaticorum systems”, Astrophysical Journal413 (1): 333-338, Bibcode: 1993ApJ...413..333D, doi:10.1086/173001