在過去,這顆恒星被懷疑是盾牌座δ型變星,這對於Am恆星來說是罕見的。這一分類在1994年的觀測中受到質疑,它很可能不是內因變星(本質變星)[32]。主星的質量是太陽質量的兩位,其半徑幾乎是太陽的二倍[8]。它以105 km s−1的投影旋轉速度快速旋轉[10](這個自轉速率與軌道週期是同步的>。)。請注意,Am恆星具有如此高的自轉速度是不尋常的。[32]。恆星的外層在7,301K的有效溫度下輻射能量[9],賦予它是 A型的恆星[33]。伴星成分是G型或K-type恆星,質量約為太陽質量的90%[8]。
^ 3.03.1Samus, N. N.; Durlevich, O. V.; et al. VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013). VizieR On-line Data Catalog: B/GCVS. Originally Published in: 2009yCat....102025S. 2009, 1. Bibcode:2009yCat....102025S.
^Wilson, Ralph Elmer. General Catalogue of Stellar Radial Velocities. Carnegie Institute Washington D.C. Publication (Washington: Carnegie Institution of Washington). 1953. Bibcode:1953GCRV..C......0W.
^ 8.08.18.28.38.48.58.68.7Batten, A. H.; Fletcher, J. M., A new spectroscopic orbit for Delta Capricorni, Journal of the Royal Astronomical Society of Canada, April 1992, 86 (2): 99–109, Bibcode:1992JRASC..86...99B
^Herr, Richard B. Identification List of Spectroscopic and Eclipsing Binaries Subject to Occultations by the Moon. Publications of the Astronomical Society of the Pacific. April 1969, 81 (479): 105. Bibcode:1969PASP...81..105H. doi:10.1086/128748.
^Hessman, F. V.; Dhillon, V. S.; Winget, D. E.; Schreiber, M. R.; Horne, K.; Marsh, T. R.; Guenther, E.; Schwope, A.; Heber, U. On the naming convention used for multiple star systems and extrasolar planets. 2010. arXiv:1012.0707 [astro-ph.SR].
^Eggen, Olin J. Two New Bright Variable Stars: δ Delphini and δ Capricorni. Publications of the Astronomical Society of the Pacific. 1956, 68 (405): 541–544. Bibcode:1956PASP...68..541E. doi:10.1086/126996.
^Novák, K. Observations of Occultations in the Years 1951 and 1952. Bulletin of the Astronomical Institute of Czechoslovakia. 1954, 5: 42. Bibcode:1954BAICz...5...42N.
^Antal, M. Observations of occultations at the observatory Skalnaté Pleso in the year 1962. Bulletin of the Astronomical Institute of Czechoslovakia. 1964, 15: 77. Bibcode:1964BAICz..15...77A.
^Jaschek-Corvalan, M; Jaschek, C. O. Absolute magnitudes, colors, masses and duplicity of the metallic-line stars. Astronomical Journal. 1957, 62: 343. Bibcode:1957AJ.....62..343J. doi:10.1086/107549.
^ 32.032.132.232.3Lloyd, C.; Wonnacott, D., Is the ROSAT Wide Field Camera EUV source and AM eclipsing binary, Delta Capricorni, also a Delta Scuti variable?, Monthly Notices of the Royal Astronomical Society, January 1994, 266: L13–L16, Bibcode:1994MNRAS.266L..13L, doi:10.1093/mnras/266.1.l13
^The Colour of Stars, Australia Telescope, Outreach and Education (Commonwealth Scientific and Industrial Research Organisation), 2004-12-21 [2012-01-16], (原始内容存档于2012-03-18)