PKS 0548-322

Query : PKS 0548-322

Basic data :
QSO B0548-322 -- BL Lac - type object
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 (2009A&A,2E,...), Bla (2012ApJ,[DGT2001],...), BLL (2010A&A,[VV2000b],...), Rad (MRC,NVSS,...), gam (3FGL,4FGL,...), G (2016A&A,6dFGS,...), Bz? (2019A&A,3HSP,...), * (USNO,Gaia), BiC (2009AJ,[CAC2009]), QSO (QSO,[HB93]), AGN (2015Ap&SS), IR (2MASS)
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 50 40.5706739558 -32 16 16.488658537 (Optical) [ 0.0771 0.0832 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] : 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 48 48.9996562819 -32 17 01.416083730 [ 0.0771 0.0832 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) :
237.5654169699411 -26.1448307826752 [ 0.0771 0.0832 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 :
-0.235 0.276 [0.164 0.164 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) 19974 [~] / z(spectroscopic) 0.069 [~] / cz 20686 [~]
   D 2011NewA...16..503M
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:
E D 2009AJ....137.4795C
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):
0.277 0.266 70 (NIR) C 2006AJ....131.1163S
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 (6) :
B 16.07 [~] D 2010A&A...518A..10V
V 15.5 [~] D 2010A&A...518A..10V
G 16.8651 [0.0053] C 2018yCat.1345....0G
J 12.734 [0.048] C 2006AJ....131.1163S
H 12.261 [0.068] C 2006AJ....131.1163S
K 11.919 [0.099] 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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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 : 4 Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (58) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

QSO B0548-322 LEDA 88451 SWIFT J0550.7-3212 [CAC2009] S0549 a
Anon 0548-32 1M 0545-322 SWIFT J0550.7-3212A [DGT2001] B0548-322
6dFGS gJ055040.6-321616 2MASS J05504055-3216164 SWIFT J0550.8-3218 [HB93] 0548-322
2E 1574 2MASX J05504053-3216163 TeV J0550-322 [IN88] 0548-322
2E 0548.8-3216 MRC 0548-322 TIC 100683834 [MGL2009] BZB J0550-3216
1ES 0548-32.2 NVSS J055040-321620 TXS 0548-322 [MML2015] 5BZG J0550-3216
3FGL J0550.6-3217 PBC J0550.7-3215 3U 0545-32 [RLM94] 0548-322 1
4FGL J0550.5-3216 PKS 0548-322 4U 0543-31 [VV2000b] J055040.5-321616
1FHL J0550.6-3215 PKS 0548-32 USNO-A2.0 0525-02416518 [VV2003b] J055040.5-321616
2FHL J0550.7-3212 PKS J0550-3216 VLSS J0550.6-3216 [VV2006b] J055040.5-321616
3FHL J0550.5-3215 PMN J0550-3216 2WHSP J055040.5-321615 [VV2010b] J055040.5-321616
1H 0548-322 QSO B0549-322 2XMM J055040.5-321616 [VV98b] J055040.5-321616
H 0548-322 RX J0550.6-3216 XMMSL1 J055040.6-321617 Gaia DR2 2902608000368235904
3HSP J055040.6-321616 1RXS J055040.7-321619 XSS J05510-3226
INTREF 279 SWIFT J0550.8-3217 9Y-MST J0550-3216

References (381 between 1850 and 2021) (Total 381)
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


velocities : 5    PM : 1   

   

Observing logs


IUE : 2    XMM : 4   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : PKS 0548-322

Link by name to the catalogue in VizieR :

2E 1574 2MASS J05504055-3216164 2MASX J05504053-3216163 NVSS J055040-321620 PKS 0548-322
PKS 0548-32 PKS J0550-3216 PMN J0550-3216 1RXS J055040.7-321619 USNO-A2.0 0525-02416518
Gaia DR2 2902608000368235904

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Annotations :
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2021.09.25-06:19:43

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