LBQS 0256-0031

Query : LBQS 0256-0031

Basic data :
PB 6960 -- BL Lac
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: 		QSO (2011A&A,LBQS,...), Rad (2020A&A,BWE,...), Bla (2009A&A,[MGL2009],...), Q? (FBQS,[BC86],...), * (PB,Gaia), X (2009A&A,1WGA), MIR (WISEA,WISE), BLL (2019ApJS), AGN (2020MNRAS), G ([LCB92]), blu (US), cm (AT20G), UV (KUV), NIR (2MASS), IR (2MASSI), Opt (SDSS)
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) : 		02 59 28.51615658 -00 19 59.9753897 (Radio) [ 0.0329994 0.034 0 ] A 2020A&A...644A.159C
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) : 		02 56 55.12293688 -00 31 54.2765964 [ 0.0329994 0.034 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] : 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) : 		177.18959186544 -49.22812984313 [ 0.0329994 0.034 0 ]
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 : 		0.152 0.058 [0.098 0.096 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) 239829 [36] / z(spectroscopic) 1.99987 [0.00012] / cz 599545.9 [36.0]
   (Opt) C 2012ApJS..203...21A
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): 		0.0110 [0.1427] A 2018yCat.1345....0G
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) :
B 17.74 [~] D 2010A&A...518A..10V
V 17.58 [~] D 2010A&A...518A..10V
R 17 [~] E 2009A&A...495..691M
G 17.322783 [0.004560] C 2020yCat.1350....0G
J 15.939 [0.071] C 2010AJ....139.2360S
H (AB) 16.660 [0.010] B 2013ApJS..206....4K
K 14.492 [0.072] C 2010AJ....139.2360S
u (AB) 17.3545 [0.0140] C 2020ApJS..250....8L
g (AB) 17.4153 [0.0151] C 2020ApJS..250....8L
r (AB) 17.3131 [0.0161] C 2020ApJS..250....8L
i (AB) 17.0128 [0.0180] C 2020ApJS..250....8L
z (AB) 16.8253 [0.0192] C 2020ApJS..250....8L
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!). sed-help-icon

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (56) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

LBQS 0256-0031 OHIO D -095 TIC 439901963 [LPZ94] 81
AT20G J025928-001959 PB 6960 US 3464 [MGL2009] BZQ J0259-0020
BWE 0256-0031 PKS J0259-0019 VCS1 J0259-0019 [MML2015] 5BZQ J0259-0020
FBQS J0259-0019 PKS 0256-005 WB 0256-0031 [S77] 68
FIRST J025928.5-001959 PMN J0259-0020 1WGA J0259.4-0019 [VV2000] J025928.5-002000
GLEAM J025928-001956 QSO B0256-005 WISEA J025928.50-002000.0 [VV2003] J025928.5-002000
HBQS 0256-0031 QSO J0259-0019 WISE J025928.50-002000.0 [VV2006] J025928.5-002000
ICRF J025928.5-001959 QSO B0256-0031 [AKR2009] J025928-0020 [VV2010] J025928.5-002000
IERS B0256-005 SDSS J025928.52-002000.0 [BC86] 0256-0031 [VV96] J025928.5-002000
IVS B0256-005 SDSS J025928.51-001959.9 [CLB91] 025655.1-003154 [VV98] J025928.5-002000
KUV 02569-0032 SDSS J025928.51-002000.0 [CTL96] 025655.14-003154.0 [WPW2003] J0259-0019
2MASS J02592851-0020001 SDSS J025928.52-001959.9 [HB93] 0256-005B Gaia DR3 5188132477079990528
2MASSI J0259285-002000 SPASS J025928-002110 [HH86] 0256-005B Gaia DR1 5188132477079990528
NVSS J025928-002000 TGSSADR J025928.5-001959 [LCB92] 0256-0031 Gaia DR2 5188132477079990528

References (135 between 1850 and 2024) (Total 135)
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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Collections of Measurements


velocities : 18    PLX : 1    PM : 3   

   

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : PB 6960

Link by name to the catalogue in VizieR :

LBQS 0256-0031 BWE 0256-0031 FIRST J025928.5-001959 IERS B0256-005 2MASS J02592851-0020001
2MASSI J0259285-002000 NVSS J025928-002000 PB 6960 PKS J0259-0019 PKS 0256-005
PMN J0259-0020 SDSS J025928.52-002000.0 SDSS J025928.51-001959.9 SDSS J025928.51-002000.0 SDSS J025928.52-001959.9
WISEA J025928.50-002000.0 WISE J025928.50-002000.0 Gaia DR3 5188132477079990528 Gaia DR1 5188132477079990528 Gaia DR2 5188132477079990528

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