Dictionary of Nomenclature of Celestial Objects
(Last update: 22-Mar-2024)

Result of query: info cati HHP98] TW Hya$
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Details on Acronym:   CoD-29 8887X
  
CoD-29 8887X (CoD-29 8887, X-ray)
***** Avoid the usage of CoD-29 8887X, prefer [HHP98]
Originof the Acronym: A = Assigned by the author(s)

Details on Acronym:   [HHP98]
  
[HHP98] (Hoff+Henning+Pfau, 1998)= (TW HyaX) = (CoD-29 8887X)
Write:<<[HHP98] TW Hya XNNA>>
<<[HHP98] CoD-29 8887 XNNA>>
N: 58+49+13
Object:(X)  (SIMBAD class: X = X-ray Source)
Stat:is completely incorporated in Simbad
Note:ROSAT PSPC observations.
Table 2: N=58 X-ray sources around TW Hya.
Table 3: N=49 X-ray sources around CoD -29 8887.
Table 4: Optical counterparts of the X-ray sources: a letter 'A' is added at the end of the format when there are several possibilities of optical counterpart for the same X-ray source. (The authors used this rule only for one source, but it is used systematically in SIMBAD)
Ref:=1998A&A...336..242H
byHOFF W. , HENNING T., PFAU W.
 Astron. Astrophys., 336, 242-250 (1998)
  The nature of isolated T Tauri stars.
oTable 2: <[HHP98] TW Hya XNN> (Nos X1-X58). Table 3: <[HHP98] CoD-29 8887 XNN> (Nos X1-X49). Table 4: <[HHP98] TW Hya XNNA> N=9, <[HHP98] CoD-29 8887 XNNA> N=4.
Originof the Acronym: S = Created by Simbad, the CDS Database

Details on Acronym:   TW HyaX
  
TW HyaX (TW Hya, X-ray)
***** Avoid the usage of TW HyaX, prefer [HHP98]
Originof the Acronym: A = Assigned by the author(s)