NGC 6822

Query : NGC 6822

Basic data :
NGC 6822 -- Galaxy
Origin of the objects types :

(Ref) Object type as listed in the reference "Ref"
(acronym) Object type linked to the acronym according to the original reference
() Anterior to 2007, before we can link the objet type to a reference, or given by the CDS team in some particular cases

Other object types: 		G (2008ApJ,DDO,...), IR (IRAS,PSCz,...), HI (HIPASS)
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra dec : right ascension and declination (unit and frame defined according to your Output Options)
    Grey values are increasing the original precision due to the computation of frame transformations
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue),
    position angle (in degrees North celestial pole to East)
  • quality : flag of quality
    • E ≥ 10"
    • D : 1-10" (and some old data)
    • C : 0.1-1"
    • B : 0.01-0.1" + 2MASS, Tyc
    • A : VLBI, Hipparcos
  • bibcode : bibcode of the coordinates reference
ICRS coord. (ep=J2000) : 		19 44 56.199 -14 47 51.29 (Infrared) [ ] C 2006AJ....131.1163S
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra dec : right ascension and declination (unit and frame defined according to your Output Options)
    Grey values are increasing the original precision due to the computation of frame transformations
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue),
    position angle (in degrees North celestial pole to East)
  • quality : flag of quality
    • E ≥ 10"
    • D : 1-10" (and some old data)
    • C : 0.1-1"
    • B : 0.01-0.1" + 2MASS, Tyc
    • A : VLBI, Hipparcos
  • bibcode : bibcode of the coordinates reference
FK4 coord. (ep=B1950 eq=1950) : 		19 42 06.468 -14 55 08.80 [ ]
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra dec : right ascension and declination (unit and frame defined according to your Output Options)
    Grey values are increasing the original precision due to the computation of frame transformations
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue),
    position angle (in degrees North celestial pole to East)
  • quality : flag of quality
    • E ≥ 10"
    • D : 1-10" (and some old data)
    • C : 0.1-1"
    • B : 0.01-0.1" + 2MASS, Tyc
    • A : VLBI, Hipparcos
  • bibcode : bibcode of the coordinates reference
Gal coord. (ep=J2000) : 		025.342467 -18.391181 [ ]
Syntax of radial velocity (or/and redshift) is : "value [error] (wavelength) quality bibcode"
  • value : radial velocity or/and redshift (Heliocentric frame) according to your Output Options
    (redshift may be not displayed if the data value is <0 and the database inside value is a radial velocity)
  • [error] : error of the corresponding value displayed before
  • (wavelength) : wavelength range of the measurement : Rad, mm, IR, Opt, UV, Xray, Gam or  '∼'(unknown)
  • quality : flag of quality ( A=best quality -> E=worst quality, ∼=unknown quality)
  • bibcode : bibcode of the value's origin
Radial velocity / Redshift / cz : 		V(km/s) -57.0 [2.0] / z(spectroscopic) -0.000190 [0.000007] / cz -56.99 [2.00]
   C 2012AJ....144....4M
Syntax of morphological type is : mtype quality bibcode
  • mtype : Hubble morphological class (spirals, ellipticals, etc)
  • quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality)
  • bibcode : bibcode of the morphological type reference
Morphological type: 		IBm D 2013MNRAS.431.2006K
Syntax of angular size is : "maj-axis min-axis angle (wtype) quality bibcode"
  • maj-axis : major axis size (arc minutes)
  • min-axis : minor axis size (arc minutes)
  • angle : orientation angle (in degrees)
  • (wtype) : wavelength class for the origin of the angular size (Rad, mm, IR, Opt, UV, Xray, Gam)
  • quality : flag of quality of the angular size values ( A=best quality -> E=worst quality, {� } =unknown quality)
  • bibcode : bibcode of the angular size reference
Angular size (arcmin): 		13.80 12.88 ~ (Opt) D 2003A&A...412...45P
Syntax of fluxes (or magnitudes) is : "filter-name (System) flux-value [error] quality MultVarFlags bibcode"
  • filter-name : U, B, V, R, I, G, J, H, K, u, g, r, i, z
  • (System) : may be AB (default is Vega)
  • flux-value : value of flux or magnitude
  • [error] : error value
  • quality : flag of quality of the flux value ( A=best quality -> E=worst quality, {� } =unknown quality)
  • MultVarFlags : Mult is zero or one char (J) for joined photometry ; Var can be zero or two chars (V[0-4])
  • bibcode : bibcode of the flux reference
Fluxes (5) :
B 18 [~] E ~
V 8.1 [0.2] D 2012AJ....144....4M
J 7.483 [0.025] C 2006AJ....131.1163S
H 6.916 [0.030] C 2006AJ....131.1163S
K 6.724 [0.045] C 2006AJ....131.1163S
SIMBAD within arcmin
', {sourceSize:12, color:'#30a090'})); aladin.on('objectClicked', function(object) { var objName=object.data.MAIN_ID; aladin.showPopup(object.ra,object.dec,'',''+ objName+''); });" title="Show Simbad objects"> Overlay Simbad points in this preview
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sedIcon
within arcsec The VizieR photometry tool allows for easy visualization of photometry points extracted around the Simbad position from photometry-enabled catalogues in VizieR.
The search radius has to be specified by the user. It is currently limited to a maximum of 30 arcsec. It depends mostly on the precision or quality of the coordinates (SIMBAD and VizieR catalogs), the resolution of the images from which the sources were extracted, source extent, and source crowding.
Suggestions are: crowded field: 0.5 to 1.5 arcsec, 3 arcsec otherwise; uncertain coordinates (SIMBAD quality E or coordinates without reference): 5 to 30 arsec (risky!). sed-help-icon

Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 3
The count displayed here is the number of children objects.
The list obtained by clicking the button may be larger, as some children may be linked with different references or probability.

%This number is the number of distinct objets linked, by using this button, you will obtain all links (may be more than one) from that object to his children

: 3480 		: 103 Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (15) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

NGC 6822 IRAS 19421-1455 NAME Barnard's Galaxy [IBK96] 6
DDO 209 LEDA 63616 PSCz P19421-1455 [M98c] 194208.1-145529
HIPASS J1944-14 2MASX J19445619-1447512 TC 374 [MI94] Im 153
IC 4895 MCG-02-50-006 [CWA2006] NGC 6822 11

References (1567 between 1850 and 2024) (Total 1567)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
Follow new references on this object
                Reference summaries :

                from: to:

                 or select by : (not exhaustive, explanation here)

Collections of Measurements


velocities : 2    distance : 10    Fe_H : 1   

   

Warning : measurements from IRAS, IRC, SAO, CL.g (ACO), GJ have been removed
(they are still available using the icon Vizier near the identifier of the catalogue, or at the bottom of the page in the section "External links" to get the full data)

velocities (2) 

 |typ|    Value    R   m.e.  |A (Nmes)|na,Q,dom ,   res    D| Obs.date | Rem.  |Or|     Reference     |
 ------------------------------------------------------------------------------------------------------
 |v  |  -58                  |  (    )|s ,D,    ,           |          |       |  |2016AJ....152...50T|
 |z  |   -0.000190   0.000007|  (    )|  , ,    ,           |          |       |e |1987A&A...171...33R|

distance (10) 

 | distance Q unit|  err-        err+     | method |     reference     |
 -----------------------------------------------------------------------
 |    0.50    Mpc |                       |T-F     |2011ApJS..192....6L|
 |  472.06    kpc | -26.06      +26.06    |Cep     |2010ApJ...715..277B|
 |    0.470   Mpc |  +0.050      +0.050   |Ceph    |2010ApJS..190..233M|
 |    0.52    Mpc |                       |redshift|2018MNRAS.479.4136K|
 |    0.4613  Mpc |                       |redshift|2019A&A...631A..38L|
 |    0.52    Mpc |                       |T-RDB   |2017AJ....153....6K|
 |    0.48    Mpc |                       |        |2016AJ....152...50T|
 |    0.48    Mpc |  -0.06       +0.06    |        |2013AJ....146...86T|
 |    0.49    Mpc |                       |Cep     |2008ApJ...676..184T|
 |    0.6     Mpc |                       |        |2007AJ....133..791S|

fe_h (1) 

 | Teff  log.g | Fe_H  c|CompStar |CatNo|     Reference     |
 ------------------------------------------------------------
 |             |-1.20   |SUN      |     |2012AJ....144..183L|
Observing logs


herschel : 15    ISO : 12   

   

Warning : measurements from IRAS, IRC, SAO, CL.g (ACO), GJ have been removed
(they are still available using the icon Vizier near the identifier of the catalogue, or at the bottom of the page in the section "External links" to get the full data)

herschel (15)

The 1 column in color are computed by VizieR, and are not part of the original data.

Note: (see also the postcard server)

VI/139/herschel
Post annotation 		Herschel Observation Log (Herschel Science Centre, 2013) [ReadMe+ftp]
2013yCat.6139....0H

The Herschel Observation Log (37093 rows)		img(gal)
start AladinLite 
 Full      _r     OD   Target                                 RAJ2000      DEJ2000    Proposal           AOT                 Dur          Start            ObsId       PACS        HIFI        SPIRE    Label                                                                                                                 
        arcmin                                               "h:m:s"      "d:m:s"                                            s             s                                                                                                                                                                                 


    1   0.5090   160  NGC 6822                             19 44 56.63  -14 47 21.4  SDP_smadde01_3     PacsPhoto           2554  2009-10-21T16:00:55  1342186170  get Herschel/PACS observation #1342186170                           ngc6822-PACSscan110-2                                                                                                 
    2   0.5090   160  NGC 6822                             19 44 56.63  -14 47 21.4  SDP_smadde01_3     PacsPhoto           2554  2009-10-21T15:17:18  1342186169  get Herschel/PACS observation #1342186169                           ngc6822-PACSscan110                                                                                                   
    3   0.5090   160  NGC 6822                             19 44 56.63  -14 47 21.4  SDP_smadde01_3     PacsPhoto           2554  2009-10-21T14:33:41  1342186168  get Herschel/PACS observation #1342186168                           ngc6822-PACSscan75-2                                                                                                  
    4   0.5090   160  NGC 6822                             19 44 56.63  -14 47 21.4  SDP_smadde01_3     PacsPhoto           2554  2009-10-21T13:50:04  1342186167  get Herschel/PACS observation #1342186167                           ngc6822-PACSscan75                                                                                                    
    5   0.5090   145  NGC 6822                             19 44 56.63  -14 47 21.4  SDP_smadde01_3     SpirePhoto          2579  2009-10-06T03:01:21  1342185533                          get Herschel/SPIRE observation #1342185533   ngc6822-SPIREmap                                                                                                      
    6   4.8434   874  ngc6822HubbleV                       19 44 52.80  -14 43 04.9  KPGT_esturm_1      PacsLineSpec         849  2011-10-05T12:41:14  1342230148  get Herschel/PACS observation #1342230148                           NearGalPACS-lowmet-NGC6822-HubbleV-CEA-GT2-OI                                                                         
    7   4.8434   678  ngc6822HubbleV                       19 44 52.80  -14 43 04.9  KPGT_esturm_1      PacsLineSpec        1277  2011-03-23T00:36:41  1342216639  get Herschel/PACS observation #1342216639                           NearGalPACS-lowmet-ngc6822HubbleV-CEA-CIIOIII                                                                         
    8   4.8434   678  ngc6822HubbleV                       19 44 52.80  -14 43 04.9  KPGT_esturm_1      PacsLineSpec        2467  2011-03-22T23:53:24  1342216638  get Herschel/PACS observation #1342216638                           NearGalPACS-lowmet-ngc6822HubbleV-CEA-CIIOIII - ngc6822HubbleV                                                        
    9   4.8434   678  ngc6822hubbleV                       19 44 52.80  -14 43 04.9  KPGT_esturm_1      PacsLineSpec        3422  2011-03-22T21:47:10  1342216634  get Herschel/PACS observation #1342216634                           NearGalPACS-lowmet-ngc6822HubbleV-CEA-others                                                                          
   10   4.9654   874  ngc6822HubbleX-1                     19 45 05.00  -14 43 22.1  KPGT_esturm_1      PacsLineSpec         844  2011-10-05T12:57:30  1342230149  get Herschel/PACS observation #1342230149                           NearGalPACS-lowmet-NGC6822-HubbleX-CEA-GT2-OI                                                                         
   11   4.9654   678  ngc6822HubbleX-1                     19 45 05.00  -14 43 22.1  KPGT_esturm_1      PacsLineSpec         610  2011-03-22T22:46:22  1342216635  get Herschel/PACS observation #1342216635                           NearGalPACS-lowmet-ngc6822HubbleX-CEA-CIIOIII - ngc6822HubbleX-1                                                      
   12   4.9654   678  ngc6822HubbleX-1                     19 45 05.00  -14 43 22.1  KPGT_esturm_1      PacsLineSpec         611  2011-03-22T21:34:52  1342216633  get Herschel/PACS observation #1342216633                           NearGalPACS-lowmet-ngc6822HubbleX-CEA-CIIOIII                                                                         
   13   5.1495   874  NGC6822Hubble south-1                19 44 50.00  -14 52 46.9  KPGT_esturm_1      PacsLineSpec        2336  2011-10-05T12:00:09  1342230147  get Herschel/PACS observation #1342230147                           NearGalPACS-lowmet-NGC6822-HubbleS-CEA-GT2-OI                                                                         
   14   5.1495   678  NGC6822Hubble south-1                19 44 50.00  -14 52 46.9  KPGT_esturm_1      PacsLineSpec        1511  2011-03-22T23:26:03  1342216637  get Herschel/PACS observation #1342216637                           NearGalPACS-lowmet-ngc6822HubbleV-CEA-CIIOIII - NGC6822 Hubble south                                                  
   15   5.1495   678  NGC6822Hubble south-1                19 44 50.00  -14 52 46.9  KPGT_esturm_1      PacsLineSpec        1512  2011-03-22T22:58:41  1342216636  get Herschel/PACS observation #1342216636                           NearGalPACS-lowmet-ngc6822HubbleV-CEA-CIIOIII - NGC6822 Hubble south - NGC6822Hubble south-1

iso (12)

The 2 columns in color are computed by VizieR, and are not part of the original data.
Note: Quick-look images of the data, and specific documentation, are accessible by clicking on the TDT observation identifier
VI/111/isolog
Post annotation 		ISO Observation Log (ISO Data Centre, 2004) [ReadMe+ftp]

*The ISO Observation Log[image] (36737 rows) (Note)		img(gal)
start AladinLite 
 Full      _r        TDT    AOT    minLam  maxLam  Target                                 oStart         oLen    recno   FOV                  RAJ2000   DEJ2000 cal  ObsID    abs  PropID  
        arcmin                      um      um                                             s             s                                     deg       deg                              


    1     0.559  34300820  PHT32  187.07  216.69  NGC 6822                        1996-10-24T20:39:20   3148     14416  19'x16'             296.2366  -14.8066      JIDAVIES +    DUSTYGAL
    2     0.850  34300923  LWS02   43.99  182.22  NGC 6822 CENTER                 1996-10-25T00:53:14   1818     14419  84" D               296.2486  -14.7952      SMADDEN  +    IRREGAL 
    3     1.249  71900335  CAM01    5.05   17.05  NGC 6822 MAP                    1997-11-03T17:43:58   7352     30148  759"x759"           296.2186  -14.7832      GHELOU   +    SF_GLX_9
    4     4.740  15202208  SWS02    4.01   33.87  NGC6822-V                       1996-04-17T16:58:02    588      5997  33"x20"             296.2199  -14.7198      DGARNETT +    SWS_NES 
    5     4.774  71900572  PHT22   54.76  116.92  ngc6822_iii                     1997-11-03T22:21:32    790     30154  225"x135"           296.2173  -14.7197      FGARZON  +    PHVSBURS
    6     4.774  71900573  PHT22  128.33  202.26  ngc6822_iii                     1997-11-03T22:35:32    562     30155  361"x181"           296.2173  -14.7197      FGARZON  +    PHVSBURS
    7     4.847  34300915  LWS02   42.59  182.34  NGC 6822 V                      1996-10-24T22:17:38   4184     14417  84" D               296.2204  -14.7179      SMADDEN  +    IRREGAL 
    8     5.042  71900568  PHT22   54.76  116.92  ngc6822_i                       1997-11-03T21:33:00    788     30150  225"x135"           296.2715  -14.7217      FGARZON  +    PHVSBURS
    9     5.042  71900569  PHT22  128.33  202.26  ngc6822_i                       1997-11-03T21:47:00    560     30151  361"x181"           296.2715  -14.7217      FGARZON  +    PHVSBURS
   10     7.770  71900570  PHT22   54.76  116.92  ngc6822_ii                      1997-11-03T21:57:16    790     30152  225"x135"           296.1402  -14.7053      FGARZON  +    PHVSBURS
   11     7.770  71900571  PHT22  128.33  202.26  ngc6822_ii                      1997-11-03T22:11:16    562     30153  361"x181"           296.1402  -14.7053      FGARZON  +    PHVSBURS
   12    14.808  34300918  LWS02   42.59  182.22  NGC 6822 REF                    1996-10-24T23:28:20   5034     14418  84" D               296.2192  -14.5512      SMADDEN  +    IRREGAL

External archives :

Data at NED - NASA/IPAC Extragalactic Database : NGC 6822

Link by name to the catalogue in VizieR :

NGC 6822 HIPASS J1944-14 IRAS 19421-1455 2MASX J19445619-1447512

Search by coordinates in Vizier (radius: 30 arcsec)

Annotations :
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Please, have a look at Best practices. The list of all annotations to SIMBAD objects can be found here .

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