M 61

Query : M 61
C.D.S. - SIMBAD4 rel 1.7 - 2018.10.19CEST14:38:45

Available data : Basic data  •  Identifiers  •  Plot & images  •  Bibliography  •  Measurements  •  External archives  •  Notes  •  Annotations


Basic data :
M 61 -- 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:
Sy2 (), G (Ref,EVCC,...), Rad (BWE,GB6,...), AGN ([VV2000c],[VV2003c],...), X (2E,RX,...), HI (Ref,HIPASS,...), IR (IRAS,PSCz), * (Gaia), GiG ([CHM2007]), H2G (Ref)
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] : coordinates error major axis, minor axis (in mas at defined epoch and convolved with error on propermotion),
    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 21 54.9275149050 +04 28 25.588335799 (Optical) [ 0.5212 0.3753 90 ] A 2018yCat.1345....0G
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] : coordinates error major axis, minor axis (in mas at defined epoch and convolved with error on propermotion),
    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 19 21.6525528347 +04 45 03.698981614 [ 52.9528 43.2518 90 ]
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] : coordinates error major axis, minor axis (in mas at defined epoch and convolved with error on propermotion),
    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) :
284.3708956202561 +66.2758443304865 [ 0.5212 0.3753 90 ]
Syntax of proper motions is : "pm-ra pm-dec [error ellipse] quality bibcode"
  • pm-ra : mu-ra*cos(dec) (expressed in the ICRS system in mas/yr)
  • pm-dec : mu-dec (expressed in the ICRS system in mas/yr)
  • [error ellipse] : error major axis and minor axis (in mas), orientation angle (in deg)
  • quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality)
  • bibcode : bibcode of the proper motion reference
Proper motions mas/yr :
0.509 0.654 [1.059 0.865 90] A 2018yCat.1345....0G
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) 1564 [~] / z(spectroscopic) 0.00523 [~] / cz 1567.9 [~]
   (Opt) D 2014ApJ...791..128S
Syntax of parallax is : 'value quality [error] bibcode'
  • value : parallax value
  • quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality)
  • [error] : mean error
  • bibcode : bibcode of the parallax reference
Parallaxes (mas):
0.7805 [0.6279] A 2018yCat.1345....0G
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:
Sc(dSc) C 2014A&A...569A.124V
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 (12) :
U 10.07 [0.11] D 2007ApJS..173..185G
B 10.18 [0.09] D 2007ApJS..173..185G
V 9.65 [0.09] D 2007ApJS..173..185G
G 14.7600 [0.0094] C 2018yCat.1345....0G
J 7.734 [0.022] C 2006AJ....131.1163S
H 7.092 [0.024] C 2006AJ....131.1163S
K 6.843 [0.034] C 2006AJ....131.1163S
u (AB) 13.910 [0.004] C 2009yCat.2294....0A
g (AB) 12.331 [0.002] C 2009yCat.2294....0A
r (AB) 11.424 [0.002] C 2009yCat.2294....0A
i (AB) 10.977 [0.001] C 2009yCat.2294....0A
z (AB) 10.680 [0.002] C 2009yCat.2294....0A
SIMBAD with radius arcmin
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within radius 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!).
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 ) :

: 4
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

: 7
Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (49) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

M 61 MITG J122151+0428 1RXS J122155.6+042919 [CHM2007] HDC 720 J122154.94+0428249
BWE 1219+0445 MRC 1219+047 SDSS J122154.92+042825.6 [CHM2007] LDC 904 J122154.94+0428249
2E 2676 NGC 4303 TC E21 [M98c] 121921.4+044458
2E 1219.3+0445 NVSS J122154+042825 UGC 7420 [NKB95] N4303
EVCC 429 NVSS B121921+044503 UZC J122155.0+042824 [VV2000c] J122154.9+042825
GB6 B1219+0444 PCCS1 857 G284.35+66.28 VCC 508 [VV2003c] J122154.9+042825
87GB 121922.1+044508 PCCS1 545 G284.36+66.28 WB 1219+0445 [VV2006c] J122154.9+042825
HIPASS J1221+04 PMN J1221+0428 WVFSCC J122156+042740 [VV2010c] J122154.9+042825
IRAS 12194+0444 PSCz Q12194+0444 2XMM J122154.8+042825 [VV98c] J122154.9+042825
IRAS F12193+0445 QDOT B1219241+044452 Z 42-45 Gaia DR2 3701944874926493440
LEDA 40001 RGB J1221.8+0429 Z 1219.3+0445
2MASX J12215494+0428249 RX J122155+04290 [BEC2010] HRS 114
MCG+01-32-022 RX J1221.9+0429 [CAB95] IRAS F12193+0445

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References (821 between 1850 and 2018) (Total 821)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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                Reference summaries :

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Collections of Measurements


distance : 6    velocities : 17    PM : 1    PLX : 1   

   

Observing logs


XMM : 1    herschel : 8   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : M 61

Link by name to the catalogue in VizieR :

BWE 1219+0445 2E 2676 HIPASS J1221+04 IRAS 12194+0444 IRAS F12193+0445
2MASX J12215494+0428249 MITG J122151+0428 NGC 4303 NVSS J122154+042825 NVSS B121921+044503
PMN J1221+0428 1RXS J122155.6+042919 SDSS J122154.92+042825.6 UGC 7420 Gaia DR2 3701944874926493440

Search by coordinates in Vizier (radius: 5 arcsec)


Annotations :
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The list of all annotations to SIMBAD objects can be found here .

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2018.10.19-14:38:45

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