Dictionary of Nomenclature of Celestial Objects
(Last update: 02-Feb-2024)

Result of query: info cati CHX NNa$


Details on Acronym:   CHX
   CHX (Chamaeleon, X-ray source) Write:<<CHX NNW>>
<<CHX NNa>> N: 22+19 Object:(Soft X)  (SIMBAD class: Star) Stat:is completely incorporated in Simbad Note:1st ref.: Table 2: (Nos 1-22) IPC X-ray sources Table 4: N=15 optical candidates, format 'NNa' to differentiate them with the X-ray sources format 'NN'. 2nd ref.: The authors introduce a format 'NNW' for X-ray sources. See also Wa, CrAPMS, ScoPMS Ref:=1989ApJ...338..262F byFEIGELSON E.D. , KRISS G.A. Astrophys. J., 338, 262-276 (1989) Soft X-ray observations of pre-main-sequence stars in the Chamaeleon dark cloud. oTable 2: <CHX NN> N=22, Table 4: <CHX NNa> N=15 Ref:=1992AJ....104..758W byWALTER F.M. Astron. J., 104, 758-761 (1992) X-ray sources in regions of star formation. IV. High-resolution optical spectroscopy of X-ray identified candidate pe-main-sequence stars in the Chamaeleon I Cloud. o<CHX NNW> (Nos 18N, 18S, 20E) Originof the Acronym: A = Assigned by the author(s)