CDS

M 106

Query : M 106

Basic data :
M 106 -- Seyfert 2 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: 		X (2012ApJS,PBC,...), G (2014AJ,LEDA,...), Rad (B3,7C,...), AGN ([VV2000c],[VV2003c],...), Sy2 (2012ApJ), LIN (2012ApJ), GiG ([CHM2007]), IG (VV), Mas ([CPF88]), Opt (SDSS)
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) : 		12 18 57.620 +47 18 13.39 (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) : 		12 16 29.486 +47 34 52.38 [ ]
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) : 		138.319686 +68.842396 [ ]
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) 479 [~] / z(spectroscopic) 0.00160 [~] / cz 479.7 [~]
   (Opt) D 2017ApJ...850...74K
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: 		SAB C 2019MNRAS.488..590B
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): 		17.78 6.92 ~ (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 (11) :
B (AB) 9.14 [0.03] C 2014MNRAS.445..881C
V 8.41 [0.08] D 2007ApJS..173..185G
R (AB) 8.11 [0.03] C 2014MNRAS.445..881C
J 6.375 [0.018] C 2006AJ....131.1163S
H 5.716 [0.021] C 2006AJ....131.1163S
K 5.464 [0.022] C 2006AJ....131.1163S
u (AB) 12.504 [0.002] C 2011yCat.2306....0A
g (AB) 10.917 [0.001] C 2011yCat.2306....0A
r (AB) 10.098 [0.001] C 2011yCat.2306....0A
i (AB) 9.658 [0.001] C 2011yCat.2306....0A
z (AB) 9.382 [0.002] C 2011yCat.2306....0A
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
Some important notes on this object about identifications and objects associations.
notes:

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

: 7
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

: 1065 		: 160 Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (48) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

M 106 NGC 4258 UGC 7353 [CHM2007] LDC 867 J121857.61+4718133
B3 1216+475 OHIO N 427 UZC J121857.7+471820 [CPF88] 121629.0+473500.0
7C 121620.39+473545.00 PBC J1218.9+4718 VLSS J1218.9+4718 [KRL2007b] 111
7C 121626.19+473526.00 1RXP J121856.4+471755 VV 448 [M98c] 121629.7+473455
7C 121635.39+473404.00 RX J1219.0+4717 WB 1216+4735 [NKB95] N4258
GB1 1216+476 RX J1218.9+4718 2XMM J121857.5+471814 [VDD93] 154
GB6 B1216+4735 1RXS J121900.4+471747 XSS J12190+4715 [VV2000c] J121857.5+471814
87GB 121625.0+473537 SAX J1219.7+4721 Z 243-67 [VV2003c] J121857.5+471814
LEDA 39600 SDSS J121857.50+471814.3 Z 244-3 [VV2006c] J121857.5+471814
2MASX J12185761+4718133 SWIFT J1219.4+4720 Z 1216.5+4735 [VV2010c] J121857.5+471814
MCG+08-22-104 SWIFT J1219.0+4715 [BAG2012] 184.7378+47.2874 [VV98c] J121857.5+471814
MY 121625.0+471813.7 SWIFT J1218.9+4717 [CHM2007] HDC 706 J121857.61+4718133 [ZEH2003] RX J1219.0+4717 1

References (2291 between 1850 and 2023) (Total 2291)
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 : 15    distance : 20   

   

Observing logs


herschel : 9    ISO : 1    IUE : 2    XMM : 6   

   

External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : M 106

Link by name to the catalogue in VizieR :

2MASX J12185761+4718133 NGC 4258 1RXS J121900.4+471747 SDSS J121857.50+471814.3 UGC 7353

Search by coordinates in Vizier (radius: 30 arcsec)

Annotations :
Annotations allow a user to add a note or report an error concerning the astronomical object and its data. It requires registration to post a note. See description .
Please, have a look at Best practices. The list of all annotations to SIMBAD objects can be found here .

report an error concerning the data of this object



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2023.05.30-03:10:42

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