4C 38.37

Query : 4C 38.37
C.D.S. - SIMBAD4 rel 1.7 - 2020.12.03CET03:09:02

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


Basic data :
4C 38.37 -- 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 (2011A&A,QSO,...), IR (2MASS,2MASSI,...), * (Gaia), Q? (FBQS), G (LEDA), X (RX)
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) :
13 45 36.9421102146 +38 23 12.497974679 (Optical) [ 0.0528 0.0637 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) :
13 43 26.5932905065 +38 38 12.069672030 [ 0.0528 0.0637 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) :
081.1125655783038 +74.0193490555127 [ 0.0528 0.0637 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 :
0.110 0.189 [0.092 0.116 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) 234153 [81] / z(spectroscopic) 1.85210 [0.00027] / cz 555245.6 [80.9]
   (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 (10) :
V 18.5 [~] E ~
G 17.8568 [0.0014] C 2018yCat.1345....0G
J 16.424 [0.085] C 2010AJ....139.2360S
H 16.447 [0.202] C 2010AJ....139.2360S
K 15.337 [0.129] C 2010AJ....139.2360S
u (AB) 18.385 [0.014] C 2013yCat.5139....0A
g (AB) 18.241 [0.006] B 2013yCat.5139....0A
r (AB) 18.059 [0.007] B 2009yCat.2294....0A
i (AB) 17.610 [0.007] B 2009yCat.2294....0A
z (AB) 17.529 [0.014] C 2013yCat.5139....0A
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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 38.37 ICRF J134536.9+382312 RGB J1345.6+3823 [FPD2001b] 1343+386 1
B2 1343+38 IVS B1343+386 RX J1345.6+3823 [HB93] 1343+386
B2.3 1343+38 LAMOST J134536.94+382312.5 S4 1343+38 [VV2000] J134536.9+382313
B3 1343+386 LEDA 2820570 S4 1343+386 [VV2003] J134536.9+382313
BWE 1343+3838 2MASS J13453693+3823128 SDSS J134536.94+382312.5 [VV2006] J134536.9+382313
7C 134326.69+383812.00 2MASSI J1345369+382312 TXS 1343+386 [VV2010] J134536.9+382313
FBQS J1345+3823 MITG J134538+3823 VCS6 J1345+3823 [VV96] J134536.9+382313
FIRST J134536.9+382312 MY 134326.6+382317.9 WB 1343+3838 [VV98] J134536.9+382313
GB2 1343+386 NVSS J134536+382313 WISEA J134536.94+382312.6 Gaia DR2 1496638288377862912
GB6 B1343+3838 QSO B1343+386 WISE J134536.94+382312.6 Gaia DR1 1496638288377862912
87GB 134327.1+383828 RGB J1345+383 WN B1343.4+3838

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References (79 between 1850 and 2021) (Total 79)
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 : 15    PM : 2   

   

Observing logs


ISO : 2   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : 4C 38.37

Link by name to the catalogue in VizieR :

4C 38.37 BWE 1343+3838 FIRST J134536.9+382312 2MASS J13453693+3823128 2MASSI J1345369+382312
MITG J134538+3823 NVSS J134536+382313 SDSS J134536.94+382312.5 WISEA J134536.94+382312.6 WISE J134536.94+382312.6
WN B1343.4+3838 Gaia DR2 1496638288377862912 Gaia DR1 1496638288377862912

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2020.12.03-03:09:02

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