C.D.S.  -  SIMBAD4 rel 1.8  -  2024.04.25CEST04:28:19

NGC 6557
--------

Object NGC 6557  ---  Sy2  ---  OID=@3349043   (@@69740,15)  ---  coobox=23617

Coordinates(ICRS,ep=J2000,eq=2000): 18 21 24.68632  -76 35 00.1371 (Rad ) B [20.8 5.8 90] 2019MNRAS.485...88P
Coordinates(FK4,ep=B1950,eq=1950): 18 14 11.32818  -76 36 17.8530
Coordinates(Gal,ep=J2000,eq=2000): 317.58947362  -24.61769147 
hierarchy counts: #parents=3, #children=0, #siblings=0
Proper motions: ~ ~ [~ ~ ] ~ ~
Parallax: ~ [~] ~ ~                  
Radial Velocity: 5500 [6] D 2002LEDA.........0P
Redshift: 0.018519 [0.000020] D 2002LEDA.........0P
cz: 5551.86 [6.00] D 2002LEDA.........0P
Flux B : 13.99 [~] D 2009MNRAS.399..683J
Flux G : 19.626833 [0.011120] C 2020yCat.1350....0G
Flux R : 12.50 [~] D 2009MNRAS.399..683J
Flux J : 10.276 [0.018] C 2006AJ....131.1163S
Flux H : 9.570 [0.021] C 2006AJ....131.1163S
Flux K : 9.251 [0.024] C 2006AJ....131.1163S
Spectral type: ~ ~ ~
Morphological type: S... D ~                  
Angular size: 1.120 0.762  75 (NIR )  C 2006AJ....131.1163S

Identifiers (25):
   CRATES J182123-763505                ATPMN J182124.6-763500               GLEAM J182126-763501               
   SPASS J182130-763448                 LCS2 J1821-7635                      Gaia DR3 6413554442691378816       
   2MASX J18212466-7634598              ESO 45-1                             LEDA 61770                         
   MRC 1814-766                         NGC 6557                             6dFGS gJ182124.7-763500            
   SGC 181412-7636.3                    [CHM2007] HDC 1038 J182124.66-7634598  [CHM2007] LDC 1302 J182124.66-7634598
   IVS B1814-766                        LCS1 J1821-7635                      PKS 1815-76                        
   PKS 1814-766                         PKS 1814-76                          PMN J1821-7635                     
   AT20G J182125-763459                 PKS J1821-7634                       SUMSS J182124-763459               
   ATPMN J182124.7-763500                                                                                       

Bibcodes  1850-2024 () (40):
  2022ApJS..258...29C  2021A&A...655A..17S  2021ApJ...914..121A  2020MNRAS.494.1784A
  2019MNRAS.485...88P  2018A&A...618A..81T  2016A&A...588A..14T  2016AJ....152...50T
  2015AJ....149..171T  2014MNRAS.438..796S  2014MNRAS.440..696A  2014MNRAS.443.1231C
  2014MNRAS.445.2677S  2012A&A...544A..18V  2012ApJS..199...26H  2012MNRAS.422.1527M
  2011MNRAS.414.2528P  2011MNRAS.416.2840L  2011MNRAS.417.2651M  2010A&A...511A..53V
  2009MNRAS.399..683J  2007A&A...465...71T  2007ApJ...655..790C  2006MNRAS.369.1131R
  2003A&A...412...45P  2002A&A...386...97J  2000ApJ...543..178G  1998A&AS..132..255G
  1996A&A...309..749P  1995ApJS..100..105M  1994ApJS...91..111W  1991ApJ...368...54D
  1991ApJ...374L..13B  1991ApJS...75..241D  1991MNRAS.248..398W  1991MNRAS.253..307P
  1990A&A...234..387Z  1985MAUTx...4....1C  1979AJ.....84..718A  1970AJ.....75..667B

Measures (distance:4  velocities:5  ):
distance:4velocities:5

Notes (1) :
(S) 03-Nov-2015 - bc    ref:~    obj:PMN J1821-7635
    See also \vizier{VIII/85A/spectra}{Seq=  98967 }{Specfind radio flux densities}.

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