Dictionary of Nomenclature of Celestial Objects
(Last update: 10-Apr-2024)

Result of query: info cati CHX NNW$
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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)