Dictionary of Nomenclature of Celestial Objects
(Last update: 17-Mar-2023)

Result of query: info cati IW2001]$

Details on Acronym:   [IW2001]
   [IW2001] (Immler+Wang, 2001) Write:<<[IW2001] HNN>>
<<[IW2001] PNN>> N: 46+69 Object:(X)  (SIMBAD class: X = X-ray Source) Stat:is completely incorporated in Simbad Note:ROSAT HRI and PSPC observations of M 81.
HRI sources format 'HNN', PSPC sources format 'PNN'. in source:M 81 = NGC 3031 Ref:=2001ApJ...554..202I byIMMLER S. , WANG Q.D. Astrophys. J., 554, 202-215 (2001) ROSAT X-ray observations of the spiral galaxy M81. oTable 3: <[IW2001] HNN> (Nos H1-H46). Table 4: <[IW2001] PNN> (Nos P1-P69). =E=Catalogue in electronic form as J/ApJ/554/202 Originof the Acronym: S = Created by Simbad, the CDS Database

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