The spectroscopic binary eta Andromedae: Determination of the orbit by optical interferometry, C. A. Hummel et al., Astronomical Journal106, #6 (December 1993), pp. 2486–2492, Bibcode:1993AJ....106.2486H, doi:10.1086/116816.
A list of nine stars whose velocities in the line of sight are variable, W. W. Campbell and W. H. Wright, Astrophysical Journal12 (November 1900), pp. 254–257, Bibcode:1900ApJ....12..254C, doi:10.1086/140765.
harvard.edu
ui.adsabs.harvard.edu
The spectroscopic binary eta Andromedae: Determination of the orbit by optical interferometry, C. A. Hummel et al., Astronomical Journal106, #6 (December 1993), pp. 2486–2492, Bibcode:1993AJ....106.2486H, doi:10.1086/116816.
Table 2, Resolved double-lined spectroscopic binaries: A neglected source of hypothesis-free parallaxes and stellar masses, D. Pourbaix, Astronomy and Astrophysics Supplement145 (August 2000), pp. 215–222, Bibcode:2000A&AS..145..215P.
A list of nine stars whose velocities in the line of sight are variable, W. W. Campbell and W. H. Wright, Astrophysical Journal12 (November 1900), pp. 254–257, Bibcode:1900ApJ....12..254C, doi:10.1086/140765.
The Spectroscopic Binary η Andromedae, Katherine C. Gordon, Astrophysical Journal103 (January 1946), pp. 13–15, Bibcode:1946ApJ...103...13G.
HR 271, database entry, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), D. Hoffleit and W. H. Warren, Jr., CDS ID V/50. Accessed on line August 23, 2008.
vizier.u-strasbg.fr
HR 271, database entry, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), D. Hoffleit and W. H. Warren, Jr., CDS ID V/50. Accessed on line August 23, 2008.