4C 54.15

Query : 4C 54.15
C.D.S. - SIMBAD4 rel 1.7 - 2019.10.15CEST12:15:00

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


Basic data :
4C 54.15 -- 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 (Ref,4C,...), BLL (Ref,[VV2000b],...), gam (1FGL,2FGL,...), X (Ref,RX,...), * (SBSS,Gaia), Bla ([MGL2009],[MGL2015]), QSO (Ref,QSO), AGN (Ref,CGRaBS), IR (2MASS,WISE), Bz? ([SRM2005])
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 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) :
07 53 01.38456785 +53 52 59.6370745 (Radio) [ 0.0412 0.0414 90 ] A 2015AJ....150...58F
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 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) :
07 49 06.44069266 +54 00 46.4885454 [ 0.0412 0.0414 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] : coordinates error major axis, minor axis (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) :
164.19980940044 +30.50585947146 [ 0.0412 0.0414 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 :
-0.290 -0.440 [0.356 0.252 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) 54061 [~] / z(~) 0.200 [~] / cz 59958 [~]
   D 1995A&AS..109..147B
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):
0.0866 [0.2005] A 2018yCat.1345....0G
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):
0.0000093 0.0000050 -2 (Rad) D 2010AJ....139.1713C
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 (6) :
B 18.5 [~] E ~
R 16.77 [~] D 2008ApJS..175...97H
G 18.1578 [0.0055] C 2018yCat.1345....0G
J 15.467 [0.054] C 2003yCat.2246....0C
H 14.569 [0.061] C 2003yCat.2246....0C
K 13.732 [0.045] C 2003yCat.2246....0C
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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 (51) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

4C 54.15 FIRST J075301.4+535259 QSO B0749+540 WISE J075301.38+535259.7
BWE 0749+5400 GB6 B0749+5400 QSO J0753+5352 WN B0749.1+5400
6C 074905+540022 87GB 074905.7+540037 RGB J0753+538 [MGL2009] BZB J0753+5352
7C 074906.09+540107.00 ICRF J075301.3+535259 RGB J0753.0+5352 [MGL2015] 5BZB J0753+5352
CGRaBS J0753+5352 IERS B0749+540 RORF 0749+540 [SRM2005] J075301.38+535259.6
CJ2 0749+540 IVS B0749+540 RX J0753.0+5352 [VV2000b] J075301.3+535300
CJF B0749+540 JVAS B0749+540 1RXS J075301.1+535305 [VV2003b] J075301.3+535300
CLASS J075301.3847+535259.636 JVAS J0753+538 S4 0749+540 [VV2006b] J075301.3+535300
1FGL J0752.8+5353 JVAS J0753+5352 S4 0749+54 [VV2010b] J075301.3+535300
2FGL J0753.0+5352 MASIV J0753+5352 SBSS 0749+540 [VV98b] J075301.3+535300
3FGL J0753.1+5353 2MASS J07530139+5352597 VIPS J07530+5352 Gaia DR2 984713199268130560
1FHL J0753.0+5351 NVSS J075301+535259 WB 0749+5400 Gaia DR1 984713199268130560
3FHL J0753.1+5354 OHIO I 582 WISE J075301.38+535259.8

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References (124 between 1850 and 2019) (Total 124)
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 : 1    PM : 2    PLX : 2   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : 4C 54.15

Link by name to the catalogue in VizieR :

4C 54.15 BWE 0749+5400 FIRST J075301.4+535259 IERS B0749+540 2MASS J07530139+5352597
NVSS J075301+535259 1RXS J075301.1+535305 WISE J075301.38+535259.8 WISE J075301.38+535259.7 WN B0749.1+5400
Gaia DR2 984713199268130560 Gaia DR1 984713199268130560

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2019.10.15-12:15:00

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