Dictionary of Nomenclature of Celestial Objects
(Last update: 08-Oct-2021)

Result of query: info cati BO98]$

Details on Acronym:   [BO98]
   [BO98] (Burkert+O'Dell, 1998)= (CK) Write:<<[BO98] Helix SSs-MSS>> N: 47 Object:Knot  (SIMBAD class: PartofCloud = Part of Cloud) Stat:is completely incorporated in Simbad Note:HST WFPC2 observations
The authors adopt the system of designation proposed in O'Dell+ 1997, IAU Symposium 180, p. 332: 'Helix SSs-MSS' with a format based on 2000 coordinates, '20h 45 SSs -20 4M SS'.
See also [OBH2002]. in source:Helix Nebula = NGC 7293 Ref:=1998ApJ...503..792B byBURKERT A. , O'DELL C.R. Astrophys. J., 503, 792-797 (1998) The structure of cometary knots in the Helix Nebula. oTable 1: <[BO98] Helix SSs-MSS> N=8 Ref:=2001ApJ...548..288L byLOPEZ-MARTIN L. , RAGA A.C., MELLEMA G., HENNEY W.J., CANTO J. Astrophys. J., 548, 288-295 (2001) Photoevaporating flows from the cometary knots in the Helix Nebula (NGC 7293). oTable 1: <[BO98] Helix SSs-MSS> N=20 added. Ref:=2002AJ....123.3329O byO'DELL C.R. , BALICK B., HAJIAN A.R., HENNEY W.J., BURKERT A. Astron. J., 123, 3329-3347 (2002) Knots in nearby planetary nebulae. oFig.10: <[BO98] Helix SSs-MSS> N=18 added. Fig.10: <[OBH2002] AN> (Nos M1-M3). Ref:=2006ApJ...652..426H byHORA J.L. , LATTER W.B., SMITH H.A., MARENGO M. Astrophys. J., 652, 426-441 (2006) Infrared observations of the Helix planetary nebula. o(Erratum) erratum vol. 656, p. 629 (2007) oTable 5: numerotation N (Nos 1-4) is not used in SIMBAD. oTable 5, col(2): <[BO98] Helix SSs-MSS> N=1 added. Originof the Acronym: S = Created by Simbad, the CDS Database
Details on Acronym:   CK
   CK (Cometary Knot) ***** Avoid the usage of CK, prefer [BO98] Originof the Acronym: A = Assigned by the author(s)

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