Messier 94

Query : Messier 94

Basic data :
M 94 -- Seyfert 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:
SyG (), G (2014AJ,LEDA,...), Rad (B3,BWE,...), X (1AXG,RBS,...), AGN (2012ApJ,[VV2000c],...), * (AG,BD,...), smm (JCMTSE,JCMTSF), IR (IRAS,PSCz), GiG ([CHM2007])
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 50 53.0737971432 +41 07 12.900884628 (Optical) [ 0.3921 0.3050 90 ] A 2020yCat.1350....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] : 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
FK5 coord. (ep=J2000 eq=2000) :
12 50 53.0740774649 +41 07 12.896390106 [ 0.3921 0.3050 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] : 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 48 31.9225938992 +41 23 31.387907755 [ 0.3921 0.3050 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] : 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) :
123.3629301340831 +76.0075390900619 [ 0.3921 0.3050 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 :
0.714 0.800 [0.398 0.451 90] A 2020yCat.1350....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) 287 [24] / z(~) 0.00096 [0.00008] / cz 287.0 [24.0]
   D 1999PASP..111..438F
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:
S_AB 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):
11.48 10.00 105 (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 (8) :
U 9.15 [0.13] D 2007ApJS..173..185G
B (AB) 8.96 [0.03] C 2014MNRAS.445..881C
V 8.24 [0.13] D 2007ApJS..173..185G
R (AB) 7.78 [0.03] C 2014MNRAS.445..881C
G 15.697014 [0.006224] C 2020yCat.1350....0G
J 6.026 [0.015] C 2006AJ....131.1163S
H 5.354 [0.016] C 2006AJ....131.1163S
K 5.106 [0.016] 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
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 ) :

: 6
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

: 207
: 153 Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (54) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

M 94 LEDA 43495 1RXS J125052.5+410713 [M98c] 124832.4+412328
AG+41 1146 2MASX J12505314+4107125 SAO 44350 [NKB95] N4736
1AXG J125055+4107 MCG+07-26-058 UGC 7996 [RW2000] NGC 4736 X-4
B3 1248+413 MY 124830.0+412333.5 UZC J125053.0+410715 [RWO99] NGC 4736 X9
BD+41 2333 MY 124830.0+410714.9 WB 1248+4123 [VDD93] 173
BWE 1248+4123 NGC 4736 WN B1248.5+4123 [VV2000c] J125052.7+410710
6C 124830+412321 NVSS J125053+410708 2XMM J125053.0+410714 [VV2003c] J125052.7+410710
7C 124831.39+412324.00 PPM 53213 Z 217-1 [VV2006c] J125052.7+410710
GB6 B1248+4123 PSCz Q12485+4123 Z 216-34 [VV2010c] J125052.7+410710
87GB 124832.4+412354 QDOT B1248318+412334 Z 1248.5+4123 [VV98c] J125053.2+410718
IRAS 12485+4123 RBS 1168 [CAB95] IRAS F12485+4123 [ZEH2003] RX J1250.8+4107 1
IRAS F12485+4123 RGB J1250.9+4107 [CHM2007] HDC 706 J125053.14+4107125 Gaia EDR3 1527952521271039616
JCMTSE J125053.1+410708 RGB J1250+411 [CHM2007] LDC 867 J125053.14+4107125
JCMTSF J125053.1+410708 RX J1250.8+4107 [LLJ2000] NGC 4736 X3

References (226 between 2017 and 2022) (Total 1311)
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 : 13    distance : 11    PM : 2   

   

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 (13)

 |typ|    Value    R   m.e.  |A (Nmes)|na,Q,dom ,   res    D| Obs.date | Rem.  |Or|     Reference     |
 ------------------------------------------------------------------------------------------------------
 |v  |  314                  |  (    )|s ,D,    ,           |          |       |  |2016AJ....152...50T|
 

distance (11)

 | distance Q unit|  err-        err+     | method |     reference     |
 -----------------------------------------------------------------------
 |    4.3853  Mpc |                       |redshift|2019A&A...631A..38L|
 

pm (2)

 |  pm-ra  [   m.e   ]|  pm-de  [   m.e   ]|syst|     reference     |
 --------------------------------------------------------------------
 |   +0.714[    0.398]|   +0.800[    0.451]|ICRS|2020yCat.1350....0G|
 
Observing logs


herschel : 18    ISO : 11    IUE : 10    XMM : 2   

   

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 (18)

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]
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 0.0136 554 NGC4736 12 50 53.06 +41 07 13.7 KPOT_rkennicu_1 PacsPhoto 2087 2010-11-19T10:12:32 1342210475 get Herschel/PACS observation #1342210475 PP2-LWb-NGC4736 2 0.0136 554 NGC4736 12 50 53.06 +41 07 13.7 KPOT_rkennicu_1 PacsPhoto 2087 2010-11-19T09:36:42 1342210474 get Herschel/PACS observation #1342210474 PP2-SWb-NGC4736 3 0.0136 554 NGC4736 12 50 53.06 +41 07 13.7 KPOT_rkennicu_1 PacsPhoto 2087 2010-11-19T09:00:52 1342210473 get Herschel/PACS observation #1342210473 PP2-LWa-NGC4736 4 0.0136 554 NGC4736 12 50 53.06 +41 07 13.7 KPOT_rkennicu_1 PacsPhoto 2087 2010-11-19T08:25:02 1342210472 get Herschel/PACS observation #1342210472 PP2-SWa-NGC4736 5 0.0136 231 NGC4736 12 50 53.06 +41 07 13.7 KPOT_rkennicu_1 SpirePhoto 1678 2009-12-31T00:46:20 1342188754 get Herschel/SPIRE observation #1342188754 SP2-NGC4736 6 0.0230 1098 ngc4736 12 50 53.00 +41 07 14.0 OT1_jsmith01_1 SpireSpectrometer 30043 2012-05-16T03:10:04 1342245851 get Herschel/SPIRE observation #1342245851 ngc4736 -cloned 7 0.0230 735 ngc4736 12 50 53.00 +41 07 14.0 KPOT_rkennicu_1 PacsLineSpec 4021 2011-05-19T02:17:55 1342221382 get Herschel/PACS observation #1342221382 "ngc4736 Nucleus Extra [bright] -nII 122, nII 205" 8 0.0230 562 NGC4736 12 50 53.00 +41 07 14.0 KPGT_rguesten_1 HifiMapping 742 2010-11-27T15:13:42 1342210350 get Herschel/HIFI observation #1342210350 HIFI-CI809-rastermap -NGC4736 9 0.0230 562 NGC4736 12 50 53.00 +41 07 14.0 KPGT_rguesten_1 HifiMapping 1402 2010-11-26T17:33:45 1342210297 get Herschel/HIFI observation #1342210297 HIFI-CII-1901-rmap-3x3-tun2 -NGC4736 10 0.0230 562 NGC4736 12 50 53.00 +41 07 14.0 KPGT_rguesten_1 HifiMapping 1796 2010-11-26T17:01:57 1342210296 get Herschel/HIFI observation #1342210296 HIFI-CII-1901-rmap-3x3-tun1 -NGC4736 11 0.0230 560 NGC4736 12 50 53.00 +41 07 14.0 KPGT_rguesten_1 HifiMapping 1267 2010-11-24T16:24:35 1342210032 get Herschel/HIFI observation #1342210032 HIFI-CO_9-8-rastermap -NGC4736 12 0.0230 550 NGC4736 12 50 53.00 +41 07 14.0 KPGT_rguesten_1 PacsLineSpec 1993 2010-11-14T17:20:19 1342208926 get Herschel/PACS observation #1342208926 PACS-OI-OI-NII-NII-CO_14-13 -NGC4736 13 0.0230 550 NGC4736 12 50 53.00 +41 07 14.0 KPGT_rguesten_1 PacsLineSpec 428 2010-11-14T17:11:02 1342208925 get Herschel/PACS observation #1342208925 PACS-OIII -NGC4736 14 0.0230 433 NGC4736 12 50 53.00 +41 07 14.0 KPGT_rguesten_1 HifiPoint 461 2010-07-21T03:44:57 1342201099 get Herschel/HIFI observation #1342201099 HIFI-CI491-dbs-point -NGC4736 15 0.3949 792 ngc4736 12 50 54.94 +41 07 02.1 KPOT_rkennicu_1 PacsLineSpec 5220 2011-07-15T08:05:51 1342224239 get Herschel/PACS observation #1342224239 ngc4736 FullStrip [faint] -cII part - resched 16 0.3949 777 ngc4736 12 50 54.94 +41 07 02.1 KPOT_rkennicu_1 PacsLineSpec 17600 2011-06-30T09:17:58 1342223361 get Herschel/PACS observation #1342223361 ngc4736 FullStrip [faint] -oI 17 0.6135 735 ngc4736 12 50 56.27 +41 07 20.0 KPOT_rkennicu_1 PacsLineSpec 3217 2011-05-19T04:30:35 1342221384 get Herschel/PACS observation #1342221384 "ngc4736 Enuc_02 [bright] -nII 205, oIII" 18 0.6135 735 ngc4736 12 50 56.27 +41 07 20.0 KPOT_rkennicu_1 PacsLineSpec 3679 2011-05-19T03:27:03 1342221383 get Herschel/PACS observation #1342221383 "ngc4736 Enuc_02 [bright] -cII, nII 122, oI"

iso (11)

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 0.012 22100207 CAM04 6.88 9.34 NGC 4736 1996-06-25T00:03:16 5070 8731 96"x96" 192.7213 +41.1201 BSMITH + PROP_001 2 0.012 22100311 CAM04 8.88 12.14 NGC 4736 1996-06-25T02:55:48 4589 8735 96"x96" 192.7213 +41.1201 BSMITH + PROP_001 3 0.027 17401221 PHT32 54.76 118.38 M94/060/100 1996-05-09T10:14:47 6626 6892 871"x963" 192.7211 +41.1198 HHIPPELE + MAP_A 4 0.027 17401323 PHT32 146.42 202.26 M94/160 1996-05-09T12:06:25 2396 6893 917"x16' 192.7211 +41.1198 HHIPPELE + MAP_A 5 0.080 23400424 CAM01 5.05 17.05 N4736 1996-07-07T20:30:05 2240 9344 288"x288" 192.7205 +41.1215 LVIGROUX + CAMSPIR 6 8.013 22100210 CAM04 6.88 9.34 ngc 4736 off 1996-06-24T22:27:34 5684 8732 96"x96" 192.7213 +40.9867 BSMITH + PROP_001 7 8.013 22100231 CAM01 9.14 9.34 n4736dum1 1996-06-24T22:25:50 60 8733 96"x96" 192.7213 +40.9867 BSMITH + PROP_001 8 8.013 22100232 CAM01 6.88 7.05 n4736dum2 1996-06-25T01:28:44 76 8734 96"x96" 192.7213 +40.9867 BSMITH + PROP_001 9 8.013 22100312 CAM04 8.88 12.14 ngc 4736 off 1996-06-25T01:32:26 4944 8736 96"x96" 192.7213 +40.9867 BSMITH + PROP_001 10 8.013 22100333 CAM01 11.86 12.14 n4736dum1 1996-06-25T01:30:44 60 8737 96"x96" 192.7213 +40.9867 BSMITH + PROP_001 11 8.013 22100334 CAM01 8.89 9.09 n4736dum2 1996-06-25T04:13:15 76 8738 96"x96" 192.7213 +40.9867 BSMITH + PROP_001

iue (10)

 |Homogenized Name:  ComplID   |PROG |CL|D CAM IMAGE A| FES  MD|Obs.da  Time |ExpTim|m|CEB|S|      Comments      |F|     reference     |
 ---------------------------------------------------------------------------------------------------------------------------------------
 |NGC 4736        :            |EGHDW|80|L SWP 28380 L|        |860526 103000|015240| |304|G|C=86,B=60           |*|1996IUEML.C......0I|
 

xmm (2)

The 3 columns in color are computed by VizieR, and are not part of the original data.
B/xmm/xmmlog
Post annotation
XMM-Newton Observation Log (XMM-Newton Science Operation Center, 2012) [ReadMe+ftp]
The XMM-Newton Observation log (2022-08-08)[image/fits] (16357 rows)
img(gal)
start AladinLite

Full _r Obsno PropDate Object RAJ2000 DEJ2000 Obs0 ObsDur Image PPSp FITS XSAlink arcmin s deg deg s s
1 0.0215 0094360601 2003-07-15 NGC 4736 192.72090 +41.12056 2002-05-23T07:47:17 41017 FITS PPSp 0094360601 Y 2 0.0215 0094360701 2003-07-15 NGC 4736 192.72090 +41.12056 2002-06-26T13:28:19 18941 FITS PPSp 0094360701 Y


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : Messier 94

Link by name to the catalogue in VizieR :

AG+41 1146 BD+41 2333 BWE 1248+4123 IRAS 12485+4123 IRAS F12485+4123
2MASX J12505314+4107125 NGC 4736 NVSS J125053+410708 PPM 53213 1RXS J125052.5+410713
SAO 44350 UGC 7996 WN B1248.5+4123 Gaia EDR3 1527952521271039616

Search by coordinates in Vizier (radius: 5 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 .

Currently no annotations available

add an annotation to this object

report an error concerning the data of this object



2022.08.16-17:29:21

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