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

Result of query: info cati WC89] LLL.l+B.bb A$
.
.

Details on Acronym:   [WC89]
  
[WC89] (Wood+Churchwell, 1989)
Write:<<[WC89] LLL.ll+B.bb>>
<<[WC89] LLL.ll+B.bbA>>
<<[WC89] LLL.ll+B.bbAN>>
N: 60+46+3
Object:HII  (SIMBAD class: HIIReg = HII Region)
Stat:is completely incorporated in Simbad
Note:N=60 ultracompact HII regions, format 'LLL.ll+B.bb'.
Some among the HII regions are complex, and divided into components format 'LLL.ll+B.bbA', and subcomponents format 'LLL.ll+B.bbAN'
Ref:=1989ApJS...69..831W
byWOOD D.O.S. , CHURCHWELL E.
 Astrophys. J., Suppl. Ser., 69, 831-895 (1989)
  The morphologies and physical properties of ultracompact HII regions.
oTable 5: not in SIMBAD. Positions in table 14 do not agree with figures 72 and 73.
oTables 4, 14: <[WC89] LLL.ll+B.bb> N=52. Table 14: <[WC89] LLL.ll+B.bbA> N=17
Ref:=1994A&A...288..903C
byCESARONI R. , CHURCHWELL E., HOFNER P., WALMSLEY C.M., KURTZ S.
 Astron. Astrophys., 288, 903-920 (1994)
  Hot ammonia towards compact HII regions.
oTable 1: <[WC89] 9.62+0.19> N=1 added. Table 4: <[WC89] LLL.l+B.bb A> N=5 added.
Ref:=1998A&A...331..709C
byCESARONI R. , HOFNER P., WALMSLEY C.M., CHURCHWELL E.
 Astron. Astrophys., 331, 709-725 (1998)
  Sub-arcsecond structure of hot cores in the NH_{3}(4,4) line.
oTable 3: <[WC89] LLL.ll+B.bbAN> N=2
Ref:=2001ApJ...549..979K
byKIM K.-T. , KOO B.-C.
 Astrophys. J., 549, 979-996 (2001)
  Radio continuum and recombination line study of ultracompact H II regions with extended envelopes.
oTable 3: <[WC89] LLL.ll+B.bbA> N=24 added.
Ref:=2010A&A...509A..50C
byCESARONI R. , HOFNER P., ARAYA E., KURTZ S.
 Astron. Astrophys., 509A, 50-50 (2010)
  The structure of hot molecular cores over 1000 AU.
oTable 2: <[WC89] LLL.ll+B.bbA> (No. 10.47+0.03D) added. Table 3: <[WC89] LLL.ll+B.bbA> (Nos 031.41+0.31A-B) added.
Originof the Acronym: S = Created by Simbad, the CDS Database