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

Result of query: info cati DJW84] W49$

.

Details on Acronym:   [DJW84]
  
[DJW84] (Dreher+Johnston+Welch+, 1984)
 Write:<<[DJW84]  W49 AN>>  

        <<[DJW84]  W49 ANa>>  

        <<[DJW84]  W49 AA>>  

        <<[DJW84]  W49 AAw>>  

        <<[DJW84]  W49S-1>>
 N:  19+39
Object:(Rad)  (SIMBAD class: Radio = Radio Source)
  Stat:is completely incorporated in Simbad
  Note:Components of W 49 (sometimes cited as components of W 49N):    N=19 (Nos A-S),
    N=18 subcomponents with a format 'AN', and N=4 'ANa',    the component G1S (South of G1) is G1s in SIMBAD.
    N=12 new components with a format 'AA', and N=4 'AAw'.
    A Component in the South region, format 'W49S-1' is also added.
    See also CB01.
 in source:W 49:W 49A = W 49A
   Ref:=1984ApJ...283..632D
     byDREHER J.W.
, JOHNSTON K.J., WELCH W.J., WALKER R.C.
 Astrophys. J., 283, 632-639 (1984)

    Ultracompact structure in the HII region W 49N.

oTable 1: <[DJW84] W49 AN> (Nos A-G), (Nos G1-G2).
   Ref:=1990ApJ...351..189D
     byDICKEL H.R.
, GOSS W.M.
 Astrophys. J., 351, 189-205 (1990)

    VLA observations of the 6 centimeter and 2 centimeter lines of H2CO in
    the direction of W 49.
oTable 2: <[DJW84] W49 A> (Nos H-S) added.
   Ref:=1997ApJ...482..307D
     byDE PREE C.G.
, MEHRINGER D.M., GOSS W.M.
 Astrophys. J., 482, 307-333 (1997)

    Multifrequency, high-resolution radio recombination line observations
    of the massive star-forming region W49A.
oTable 4: <[DJW84] W49 AN> N=11 added, <[DJW84] W49 AA> N=11, <[DJW84]    W49S-1) N=1.
   Ref:=2000ApJ...540..308D
     byDE PREE C.G.
, WILNER D.J., GOSS W.M., WELCH W.J., McGRATH E.
 Astrophys. J., 540, 308-315 (2000)

    Ultracompact H II regions in W49N at 500 AU scales: shells, winds, and
    the water maser source.
oFig.2, Table 3: <[DJW84] W49 AN> (Nos A1-A2, B2) added, <[DJW84] W49    ANa> (Nos G1a-G1c).
   Ref:=2000ApJ...540..316S
     bySMITH N.
, JACKSON J.M., KRAEMER K.E., DEUTSCH L.K., BOLATTO A., HORA J.L., FAZIO G., HOFFMANN W.F., DAYAL A.
 Astrophys. J., 540, 316-331 (2000)

    Thermal infrared imaging of ultracompact H II regions in W49A.

oFig.3, Table 2: <[DJW84] W49 AA> (No. DD) added, <[DJW84] W49 AAw>    (Nos BBe, DDs, EEe, HHw).
   Ref:=2001ApJ...550L..81W
     byWILNER D.J.
, DE PREE C.G., WELCH W.J., GOSS W.M.
 Astrophys. J., 550, 81-85 (2001)

    Hot cores in W49N and the timescale for hot core evolution.

oFig.1: <[DJW84] W49 AN> (No. K2) added. Fig.2, Table 2: <[WDW2001] MCN    a> (Nos a-f).
   Ref:=2004ApJ...600..286D
     byDE PREE C.G.
, WILNER D.J., MERCER A.J., DAVIS L.E., GOSS W.M., KURTZ S.
 Astrophys. J., 600, 286-291 (2004)

    Broad recombination line objects in W49 north on 600 AU scales.

oTable 1: Source G1S is [DJW84] W49 G1s in SIMBAD.
oTable 1: <[DJW84] W49 ANa> (Nos B3, G1s) added.
 Originof the Acronym: S = Created by Simbad, the CDS Database