7C 1424+2401

Query : 7C 1424+2401 C.D.S. - SIMBAD4 rel 1.225 - 2015.08.31CEST10:47:32

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


Basic data :
7C 1424+2401 -- 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:
Rad (7C,B2,BWE,CRATES,EF,FIRST​,GB6,87GB,ICRF,IERS​,IVS,JVAS,MITG,NVSS​,OHIO,PKS,RGB,RORF​,TXS,VCS1,VIPS,WB,[HMI96]), BLL (Ref,[VV2000b],[VV2003b],[VV2006b],[VV2010b],[VV98b]), X (Ref,2E,1ES,RBS,RX,1RXS), gam (0FGL,1FGL,2FGL,1FHL,INTREF,VER), Bla (Ref,[DGT2001],[IN88],[MGL2009]), IR (2MASS,WISE), UV (KUV,PG), WD* (WD), * (GJ), Q? (FBQS), AG? (Ref), QSO (QSO), AGN (Ref)
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) :
14 27 00.39179 +23 48 00.0376 ( Radio ) [ 0.390 0.019 0 ] A 2004AJ....127.3587F
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) :
14 27 00.392 +23 48 00.04 [ 0.390 0.019 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) :
14 24 44.23 +24 01 25.9 [ 0.390 0.019 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) :
029.4874 +68.2076 [ 0.390 0.019 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) 44171 [~] / z(~) 0.16 [~] / cz 47967 [~]   (~) D ~
Spectral type is made of 3 parts:
  • the spectral type, which is made of a temperature class, eventually a luminosity class (roman number) and/or spectral peculiarities;
  • a quality letter: A=best quality->E=worst quality, ~ =unknown quality
  • bibcode : bibcode of the spectral type reference
Spectral type:
DC... D ~
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 (12) :
U (AB) 14.52 [0.04] D 2007ApJS..173..471M
B (AB) 14.34 [0.03] D 2007ApJS..173..471M
V 14.95 [~] D 2010A&A...518A..10V
R 14.5 [~] E 2009A&A...495..691M
J 12.680 [0.025] C 2003yCat.2246....0C
H 11.966 [0.032] C 2003yCat.2246....0C
K 11.276 [0.020] C 2003yCat.2246....0C
u (AB) 15.261 [0.005] C 2009yCat.2294....0A
g (AB) 14.878 [0.003] C 2009yCat.2294....0A
r (AB) 14.561 [0.004] C 2009yCat.2294....0A
i (AB) 14.331 [0.004] C 2009yCat.2294....0A
z (AB) 14.143 [0.004] C 2009yCat.2294....0A
SIMBAD with radius arcmin
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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!).

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (57) :

7C 1424+2401 87GB 142444.2+240123 PKS 1424+240 WD 1424+240
B2.4 1424+24 GJ 3848 QSO B1424+240 WISE J142700.40+234800.1
BWE 1424+2401 ICRF J142700.3+234800 RBS 1395 [DGT2001] B1424+240
CRATES J142700+234802 IERS B1424+240 RGB J1427+238 [HMI96] 1424+2401
2E 3271 INTREF 604 RGB J1427.0+2347 [IN88] 1424+240
2E 1424.7+2401 IVS B1424+240 RORF 1424+240 [MGL2009] BZB J1427+2348
EF B1424+2401 JVAS B1424+240 RX J1427.0+2347 [VV2000b] J142700.5+234800
1ES 1424+24.0 JVAS J1427+2348 RX J1427.0+2348 [VV2003b] J142700.5+234800
FBQS J1427+2348 KUV 14247+2401 1RXS J142700.5+234803 [VV2006b] J142700.5+234800
0FGL J1427.1+2347 2MASS J14270038+2348000 SDSS J142700.39+234800.0 [VV2010b] J142700.5+234800
1FGL J1426.9+2347 MITG J142700+2348 TXS 1424+240 [VV98b] J142700.5+234800
2FGL J1427.0+2347 NVSS J142700+234800 VCS1 J1427+2348 [ZEH2003] RX J1427.0+2348 2
1FHL J1427.0+2347 OHIO Q 240 VER J1427+237
FIRST J142700.4+234800 PG 1424+240 VIPS J14270+2348
GB6 B1424+2401 PKS J1427+2348 WB 1424+2401

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References (183 between 1850 and 2015)
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 (2 types) :


Einstein : 1    posa : 1   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database

Catalogue information from VizieR :

Generic search by coordinates (radius: 5 arcsec)

BWE 1424+2401 FIRST J142700.4+234800 GJ 3848 IERS B1424+240 2MASS J14270038+2348000
MITG J142700+2348 NVSS J142700+234800 PG 1424+240 PKS J1427+2348 PKS 1424+240
1RXS J142700.5+234803 SDSS J142700.39+234800.0 WD 1424+240

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2015.08.31-10:47:32

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