QSO B0748+126

Query : QSO B0748+126 C.D.S. - SIMBAD4 rel 1.5.8 - 2016.09.30CEST15:31:51

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


Basic data :
QSO B0748+126 -- Quasar
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 (Ref,BWE,...), QSO (Ref,QSO,...), X (Ref,PBC,...), IR (2MASS,2MASSI,...), gam (1FGL,2FGL,...), Bla (Ref,[MGL2009]), AGN (Ref,CGRaBS), Bz? ([SRM2005]), G (LEDA)
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 epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • 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) :
07 50 52.04573 +12 31 04.8285 (Radio) [ 0.19 0.12 0 ] A 2010AJ....139.1695L
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 epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • 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) :
07 50 52.046 +12 31 04.83 [ 0.19 0.12 0 ]
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 epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • 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) :
07 48 05.06 +12 38 45.5 [ 0.19 0.12 0 ]
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 epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • 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) :
208.1605 +18.7605 [ 0.19 0.12 0 ]
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) 168544 [~] / z(~) 0.889 [~] / cz 266515 [~]
   D 2002ApJS..141...23E
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)
  • (incl) : inclination (in units of 15° from 0 to 7)
  • (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):
0.0000120 0.0000047 -2 (Rad) D 2010AJ....139.1713C
Syntax of fluxes (or magnitudes) is : "filter-name flux-value [error] quality MultVarFlags bibcode"
  • filter-name : U, B, V, R, I, J, H, K, u, g, r, i, z
  • 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 17.67 [~] D 2010A&A...518A..10V
V 17.28 [~] D 2010A&A...518A..10V
R 17.16 [~] D 2008ApJS..175...97H
J 15.950 [0.083] C 2003yCat.2246....0C
H 15.345 [0.107] D 2003yCat.2246....0C
K 14.974 [0.139] D 2003yCat.2246....0C
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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:


The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (58) :

QSO B0748+126 JVAS J0750+1231 PKS 0748+126 [GR92] 0748+126
BWE 0748+1239 JVAS B0748+126 PKS J0750+1231 [HB93] 0748+126
CGRaBS J0750+1231 1Jy 0748+126 QSO J0750+1231 [MGL2009] BZQ J0750+1231
CLASS J075052.0465+123104.830 LEDA 2825280 RGB J0750+125 [P82] 0748+126
EQ 0748+12 MASIV J0750+1231 RGB J0750.9+1231 [PW82] 0748+12
1FGL J0750.6+1235 2MASS J07505205+1231048 RORF 0748+126 [SRM2005] J075052.04+123104.8
2FGL J0750.6+1230 2MASSI J0750520+123104 RX J0750.8+1231 [VV2000] J075052.1+123105
3FGL J0750.6+1232 MITG J075053+1231 TXS 0748+126 [VV2003] J075052.1+123105
FIRST J075052.0+123104 MRC 0748+126 VSOP J0750+1231 [VV2006] J075052.1+123105
GB6 B0748+1238 NAICGB 0748+126 WB 0748+1239 [VV2010] J075052.1+123105
GB6 J0750+1231 NEWPS5 J0750+1231 WISE J075052.04+123104.8 [VV96] J075052.1+123105
87GB 074804.8+123908 NVSS J075052+123104 WMAP 117 [VV98] J075052.1+123105
ICRF J075052.0+123104 OHIO I 280 WMAP J0750+1230 [VYP98] 0748+126
IERS B0748+126 OHIO I 180 WMAP J0750+1232
IVS B0748+126 PBC J0750.6+1231 XMMSL1 J075051.9+123101

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References (200 between 1850 and 2016)
Simbad bibliographic survey began in 1950 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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Measurements (4 types) :


posa : 2    velocities : 6    Z : 5    ze : 1   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : QSO B0748+126

Link by name to the catalogue in VizieR :

BWE 0748+1239 FIRST J075052.0+123104 IERS B0748+126 2MASS J07505205+1231048 2MASSI J0750520+123104
MITG J075053+1231 NVSS J075052+123104 PKS 0748+126 PKS J0750+1231 VSOP J0750+1231

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Annotations :
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2016.09.30-15:31:51

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