Dictionary of Nomenclature of Celestial Objects
(Last update: 26-Apr-2024)

Result of query: info cati HCW2001] NNa$
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Details on Acronym:   [HCW2001]
  
[HCW2001] (Hyman+Calle+Weiler+, 2001)
Write:<<[HCW2001] NNa>>
N: 17+7
Object:(Rad)  (SIMBAD class: Radio = Radio Source)
Stat:is completely incorporated in Simbad
Note:(Nos 1-7) are discrete radio-sources in NGC 4258, (Nos 13-17) are background sources, (Nos 16a-16d) and (Nos 17a-17c) forming clusters 16 and 17.
in source:NGC 4258
Ref:=2001ApJ...551..702H
byHYMAN S.D. , CALLE D., WEILER K.W., LACEY C.K., VAN DYK S.D., SRAMEK R.
 Astrophys. J., 551, 702-711 (2001)
  Radio continuum imaging of the spiral galaxy NGC 4258.
oTables 1, 2: <[HCW2001] NNa> (Nos 1-17, 16a-16d, 17a-17c).
Originof the Acronym: S = Created by Simbad, the CDS Database