4C 26.48A

Query : 4C 26.48A
C.D.S. - SIMBAD4 rel 1.7 - 2021.03.01CET20:46:00

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


Basic data :
4C 26.48A -- 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 (2014ApJS,4C,...), QSO (2011MNRAS,QSO,...), X (2007AJ,1E,...), * (Gaia), AGN (2007AJ), G (LEDA), IR (WISE)
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) :
16 25 14.1661404914 +26 50 26.522711660 (Optical) [ 0.0946 0.1135 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) :
16 23 11.3629110203 +26 57 13.238868348 [ 0.0946 0.1135 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) :
045.4803412482785 +42.7496204553998 [ 0.0946 0.1135 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 :
-0.087 -0.218 [0.209 0.243 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) 155976 [39] / z(spectroscopic) 0.78020 [0.00013] / cz 233898.1 [39.0]
   (Opt) C 2013yCat.5139....0A
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 (9) :
B 18.85 [~] D 2010A&A...518A..10V
V 18.65 [~] D 2010A&A...518A..10V
G 18.2306 [0.0036] C 2018yCat.1345....0G
J (AB) 18.123 [0.016] C 2013ApJS..206....4K
u (AB) 18.764 [0.017] C 2013yCat.5139....0A
g (AB) 18.378 [0.007] B 2009yCat.2294....0A
r (AB) 18.312 [0.008] B 2009yCat.2294....0A
i (AB) 18.488 [0.009] B 2009yCat.2294....0A
z (AB) 18.295 [0.022] C 2005AJ....129.1755A
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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 (43) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

4C 26.48A LAMOST J162514.16+265026.5 RX J1625.2+2650 [S77] 330
B2 1623+26 A LEDA 2819959 1RXS J162513.5+265015 [S98b] 1623+269
B2.2 1623+26 A NAME KP 77 SDSS J162514.16+265026.5 [VV2000] J162514.2+265026
4C 26.48 NVSS J162514+265028 TXS 1623+269 [VV2003] J162514.2+265026
Cul 1623+269 OHIO S 240 VLSS J1625.2+2650 [VV2006] J162514.2+265026
1E 1623.1+2657 PKS 1623+26 VRO 26.16.03 [VV2010] J162514.2+265026
2E 3675 PKS J1625+2650 WB 1623+2657 [VV96] J162514.2+265026
2E 1623.1+2657 PKS 1623+269 1WGA J1625.2+2650 [VV98] J162514.2+265026
FIRST J162514.2+265027 QSO B1623+269A WISE J162514.13+265026.8 [WTW94] 1623+269A
GB6 B1623+2657 RGB J1625.2+2650 WK 350 Gaia DR2 1305032959715816448
87GB 162311.4+265737 RGB J1625+268 [HB93] 1623+269A

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References (112 between 1850 and 2021) (Total 112)
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 : 9    PM : 1   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : 4C 26.48A

Link by name to the catalogue in VizieR :

4C 26.48A 4C 26.48 2E 3675 FIRST J162514.2+265027 NVSS J162514+265028
PKS 1623+26 PKS J1625+2650 PKS 1623+269 1RXS J162513.5+265015 SDSS J162514.16+265026.5
WISE J162514.13+265026.8 Gaia DR2 1305032959715816448

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Please, have a look at Best practices. The list of all annotations to SIMBAD objects can be found here .

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2021.03.01-20:46:00

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