The system is a source ofX-ray emission.[11] The orbiting companion, component B, is a magnitude 8.9 star at anangular separation of35″ along aposition angle of 27° from the primary, as of 2015. A magnitude 10.8visual companion, component C, lies at a separation of10.8″, as of 2004.[10]
According to Richard H. Allen'sStar Names: Their Lore and Meaning (1899), ξ Oph together withθ Oph formed theSogdianWajrik "the Magician", the KhorasmianMarkhashik "the Serpent-bitten" and withη Oph theCopticTshiō, "the Snake", andAggia, "the Magician".[12] The name Aggia for this star appears in a 1971 NASA list of star names[13] and in a 2023 list of target stars for theHabitable Worlds Observatory.[14] As of April 2025[update], it does not appear in theIAU Catalog of Star Names.[15]
^abGray, R. O.; Corbally, C. J.; Garrison, R. F.; McFadden, M. T.; Bubar, E. J.; McGahee, C. E.; O'Donoghue, A. A.; Knox, E. R. (2006). "Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 pc--The Southern Sample".The Astronomical Journal.132 (1):161–170.arXiv:astro-ph/0603770.Bibcode:2006AJ....132..161G.doi:10.1086/504637.S2CID119476992.
^abMallama, A. (2014). "Sloan Magnitudes for the Brightest Stars".The Journal of the American Association of Variable Star Observers.42 (2): 443.Bibcode:2014JAVSO..42..443M.Vizier catalog entry
^Haakonsen, Christian Bernt; Rutledge, Robert E. (September 2009). "XID II: Statistical Cross-Association of ROSAT Bright Source Catalog X-ray Sources with 2MASS Point Source Catalog Near-Infrared Sources".The Astrophysical Journal Supplement.184 (1):138–151.arXiv:0910.3229.Bibcode:2009ApJS..184..138H.doi:10.1088/0067-0049/184/1/138.S2CID119267456.
