4C 15.54

Query : 4C 15.54
C.D.S. - SIMBAD4 rel 1.7 - 2019.10.14CEST23:56:35

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


Basic data :
4C 15.54 -- 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,...), gam (2EG,3EG,...), BLL (Ref,[VV2000b],...), Bla ([IN88],[MGL2009],...), QSO (Ref,QSO,...), AGN (Ref,[SRC2012b]), IR (2MASS,WISE), X (Ref,2E), * (Gaia), G (LEDA)
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) :
16 07 06.4310811643 +15 51 34.489313092 (Optical) [ 0.2136 0.1842 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] : 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) :
16 04 49.4083015171 +15 59 32.778794680 [ 0.2136 0.1842 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) :
029.3785028512976 +43.4090404740272 [ 0.2136 0.1842 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 :
-0.434 -0.163 [0.453 0.370 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) 114622 [~] / z(emission) 0.496 [~] / cz 148697 [~]
   (Opt) D 2012ApJ...748...49S
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):
0.9900 [0.3019] 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 (7) :
B 20.15 [~] D 2010A&A...518A..10V
V 19.49 [~] D 2010A&A...518A..10V
R 17.5 [~] E 2009A&A...495..691M
G 19.1175 [0.0181] C 2018yCat.1345....0G
J 16.556 [0.128] D 2011NewA...16..503M
H 15.935 [0.160] D 2011NewA...16..503M
K 15.024 [15.024] D 2011NewA...16..503M
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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 (49) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

4C 15.54 FIRST J160706.4+155134 PKS 1604+159 [MGL2009] BZB J1607+1551
BWE 1604+1559 87GB 160450.7+155905 PKS J1607+1551 [MGL2015] 5BZB J1607+1551
CLASS J160706.4275+155134.494 ICRF J160706.4+155134 QSO B1604+159 [SRC2012b] J1607+1551
Cul 1604+159 INTREF 672 S3 1604+15 [VV2000b] J160706.4+155134
2E 3592 IVS B1604+159 TXS 1604+159 [VV2003b] J160706.4+155134
2E 1604.8+1559 JVAS J1607+1551 VCS1 J1607+1551 [VV2006b] J160706.4+155134
2EG J1605+1558 LEDA 2819308 VIPS J16071+1551 [VV2010b] J160706.4+155134
3EG J1605+1553 2MASS J16070642+1551344 VLSS J1607.1+1551 [VV98b] J160706.4+155134
EGR J1607+1533 MC3 1604+15.9 WB 1604+1559 Gaia DR2 1198384631085820032
1FGL J1607.1+1552 MRC 1604+159 WISE J160706.43+155134.8 Gaia DR1 1198384626788950912
2FGL J1607.0+1552 NRAO 1604+15 WISE J160706.43+155134.7
3FGL J1607.0+1551 NVSS J160706+155134 [HB93] 1604+159
3FHL J1607.0+1550 OHIO S 108.2 [IN88] 1604+159

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References (140 between 1850 and 2019) (Total 140)
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 : 2    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 15.54

Link by name to the catalogue in VizieR :

4C 15.54 BWE 1604+1559 2E 3592 3EG J1605+1553 FIRST J160706.4+155134
2MASS J16070642+1551344 NVSS J160706+155134 PKS 1604+159 PKS J1607+1551 WISE J160706.43+155134.8
WISE J160706.43+155134.7 Gaia DR2 1198384631085820032 Gaia DR1 1198384626788950912

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Annotations :
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The list of all annotations to SIMBAD objects can be found here .

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2019.10.14-23:56:36

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