Hessman, F. V.; Dhillon, V. S.; Winget, D. E.; Schreiber, M. R.; Horne, K.; Marsh, T. R.; Guenther, E.; Schwope, A.; Heber, U. (2010). "On the naming convention used for multiple star systems and extrasolar planets". arXiv:1012.0707 [astro-ph.SR].
Waisberg, Idel; Klein, Ygal; Katz, Boaz (2023-11-01), "Hidden Companions to Intermediate-mass Stars. XIV. Discovery of a 1.8 M☉, 0.3 au Companion to Ascella = Zeta Sagittarii A", Research Notes of the American Astronomical Society, 7 (11): 245, Bibcode:2023RNAAS...7..245W, doi:10.3847/2515-5172/ad0e72, ISSN2515-5172
Calculated, using the temperature and radius figures available by the Stefan-Boltzmann law:, where T is the temperature, R is the radius and L is the luminosity. 5772 is the solar nominal effective temperature, in Kelvins. GeoGebra is used to do calculation.
Johnson, H. L.; et al. (1966), "UBVRIJKL photometry of the bright stars", Communications of the Lunar and Planetary Laboratory, 4 (99): 99, Bibcode:1966CoLPL...4...99J
Wilson, R. E. (1953), "General Catalogue of Stellar Radial Velocities", Carnegie Institute Washington D.C. Publication, Carnegie Institute of Washington D.C., Bibcode:1953GCRV..C......0W
Waisberg, Idel; Klein, Ygal; Katz, Boaz (2023-11-01), "Hidden Companions to Intermediate-mass Stars. XIV. Discovery of a 1.8 M☉, 0.3 au Companion to Ascella = Zeta Sagittarii A", Research Notes of the American Astronomical Society, 7 (11): 245, Bibcode:2023RNAAS...7..245W, doi:10.3847/2515-5172/ad0e72, ISSN2515-5172
Waisberg, Idel; Klein, Ygal; Katz, Boaz (2023-11-01), "Hidden Companions to Intermediate-mass Stars. XIV. Discovery of a 1.8 M☉, 0.3 au Companion to Ascella = Zeta Sagittarii A", Research Notes of the American Astronomical Society, 7 (11): 245, Bibcode:2023RNAAS...7..245W, doi:10.3847/2515-5172/ad0e72, ISSN2515-5172