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

Result of query: info cati SN2000] Hen 2-90 a$
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Details on Acronym:   [SN2000]
  
[SN2000] (Sahai+Nyman, 2000) (Not yet in Simbad)
Write:<<[SN2000] Hen 2-90 a>>
<<[SN2000] Hen 2-90 a'>>
N: 22
Object:Knot  (SIMBAD class: Unknown = Object of Unknown Nature)
Note:N=11 pairs of emission knots in the bipolar jet of Hen 2-90, located symmetrically on either side of the nebular center.
in source:Hen 2-90
Ref:=2000ApJ...538L.145S
bySAHAI R. , NYMAN L.-A.
 Astrophys. J., 538, 145-149 (2000)
  Discovery of a symmetrical highly collimated bipolar jet in Hen 2-90.
oFig.1: <[SN2000] Hen 2-90 a> (Nos a-f), <[SN2000] Hen 2-90 a'> (Nos a'-f').
Ref:=2001ApJ...563..883G
byGUERRERO M.A. , MIRANDA L.F., CHU Y.-H., RODRIGUEZ M., WILLIAMS R.M.
 Astrophys. J., 563, 883-888 (2001)
  The constant-velocity highly collimated outflows of the planetary nebula He 2-90.
oFig.2: <[SN2000] Hen 2-90 a> (Nos g-k), <[SN2000] Hen 2-90 a'> (Nos g'-k') added.
Originof the Acronym: S = Created by Simbad, the CDS Database