Crab Nebula

Query : Crab Nebula

Basic data :
M 1 -- SuperNova Remnant
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:
Rad (2C,3C,...), X (3A,2E,...), gam (2AGL,ARGO,...), SNR (2014BASI,AJG,...), HII (LBN,SH), IR (IRAS)
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) :
05 34 32.0 +22 00 48 (Radio) [ ] E ~
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) :
05 34 32.0 +22 00 48 [ ]
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) :
05 31 31.5 +21 58 50 [ ]
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) :
184.5586 -05.7848 [ ]
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):
7.0 5.0 ~ (Rad) D 2014BASI...42...47G
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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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!).
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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 ) :

: 1 Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (59) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

M 1 DB 38 Mills 05+2A SNR G184.6-05.8
3A 0531+219 2E 1309 NAME CRAB NEB SWIFT J0534.6+2204
2AGL J0534+2205 2E 0531.5+2159 NAME Crab SWIFT J0534.5+2200
AJG 1 1ES 0532+21.5 NAME Crab Nebula TeV J0534+220
ARGO J0535+2203 3FGL J0534.5+2201i NAME Tau A 2U 0531+22
2C 481 4FGL J0534.5+2201i NAME Taurus A 3U 0531+21
3C 144 3FHL J0534.5+2201 NGC 1952 4U 0531+21
3C 144.0 GRS G184.60 -05.80 NRAO 214 VRO 21.05.01
4C 21.19 1H 0531+219 NRL 2 W 9
3CR 144 H 0534+21 NVSS J053428+220202 X Tau X-1
CTA 36 H 0531+219 PBC J0534.5+2201 X Tau XR-1
CTB 18 IRAS 05314+2200 PKS 0531+219 [BM83] X0531+219
Cul 0531+21 LBN 833 1RXS J053431.2+220218 [DGW65] 25
Cul 0531+219 LBN 184.62-05.65 SH 2-244 [PT56] 5
DA 179 1M 0531+219 SIM 0531+21.0

References (752 between 2018 and 2023) (Total 5973)
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


distance : 1    PLX : 1    PM : 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)

distance (1)

 | distance Q unit|  err-        err+     | method |     reference     |
 -----------------------------------------------------------------------
 |    2.0     kpc |                       |        |1973PASP...85..579T|
 

plx (1)

 |    plx    :    m.e     R |     reference     |
 ------------------------------------------------
 |   0.511   :   0.0788     |2020yCat.1350....0G|
 

pm (1)

 |  pm-ra  [   m.e   ]|  pm-de  [   m.e   ]|syst|     reference     |
 --------------------------------------------------------------------
 |  -11.513[    0.098]|   +2.302[    0.064]|ICRS|2020yCat.1350....0G|
 
Observing logs


herschel : 8    ISO : 43    XMM : 21   

   

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 (8)

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iso (43)

VizieR

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The VizieR service is now hosted by CDS domain (cds.unistra.fr). Please, modify your configuration for the new domain.
Find catalogs among 22965 available
   
tips and examples
Catalog, author's name,
word(s) from title, description, etc.
e.g.: AGN, Veron, I/239, or bibcodes...
 Wavelength
 Mission
 Astronomy
Search for catalogs by column descriptions (UCD)usage
Search for catalogs containing additional data
Search by Position across 25351 tables
Target Name (resolved by Sesame) or Position:
Target dimension:

NB: The epoch used for the query is the original epoch of the table(s)Radius Box size
Browsing modes: Designation, Acronyms, Favorites, Dates, Image,spectra, Kohonen
Or list the large surveys
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xmm (21)

VizieR

VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

The VizieR service is now hosted by CDS domain (cds.unistra.fr). Please, modify your configuration for the new domain.
Find catalogs among 22965 available
   
tips and examples
Catalog, author's name,
word(s) from title, description, etc.
e.g.: AGN, Veron, I/239, or bibcodes...
 Wavelength
 Mission
 Astronomy
Search for catalogs by column descriptions (UCD)usage
Search for catalogs containing additional data
Search by Position across 25351 tables
Target Name (resolved by Sesame) or Position:
Target dimension:

NB: The epoch used for the query is the original epoch of the table(s)Radius Box size
Browsing modes: Designation, Acronyms, Favorites, Dates, Image,spectra, Kohonen
Or list the large surveys
elapse time 0

Cite/acknowledge VizieR catalogue
Rules of usage of VizieR data

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External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : Crab Nebula

Link by name to the catalogue in VizieR :

3C 144 3C 144.0 4C 21.19 3CR 144 2E 1309
IRAS 05314+2200 NGC 1952 NVSS J053428+220202 PKS 0531+219 1RXS J053431.2+220218

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 .

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2022.11.27-06:47:38

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