IERS B1155+251

Query : IERS B1155+251

Basic data :
ICRF J115825.7+245017 -- Seyfert 1 Galaxy
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 (2019ApJS,ICRF,...), Bla (2009A&A,[MGL2009],...), QSO (2016A&A,[VV2003],...), AGN (2015Ap&SS,CGRaBS,...), G (2016MNRAS,LEDA,...), * (Gaia), Sy1 (2014ApJ), IR (WISEA)
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) :
11 58 25.78753020 +24 50 17.9640837 (Radio) [ 0.1839 0.2689 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] : 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) :
11 55 51.64311715 +25 06 59.8815368 [ 0.1839 0.2689 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) :
220.85097584136 +77.87572376863 [ 0.1839 0.2689 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 :
0.653 1.780 [1.637 1.750 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(spectroscopic) 0.20 [~] / cz 59958 [~]
   (Opt) D 2017ApJS..233....3T
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)
  • (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):
0.127 0.127 90 (NIR) C 2006AJ....131.1163S
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 (12) :
B 20.27 [~] D 2010A&A...518A..10V
V 19.40 [~] D 2010A&A...518A..10V
R 16.58 [~] D 2008ApJS..175...97H
G 19.4454 [0.0075] C 2018yCat.1345....0G
J 15.644 [0.113] D 2006AJ....131.1163S
H 14.467 [0.164] D 2006AJ....131.1163S
K 13.349 [0.105] D 2006AJ....131.1163S
u (AB) 20.160 [0.076] C 2012ApJS..203...21A
g (AB) 18.883 [0.013] C 2012ApJS..203...21A
r (AB) 17.689 [0.008] B 2012ApJS..203...21A
i (AB) 17.147 [0.007] B 2012ApJS..203...21A
z (AB) 16.808 [0.018] C 2012ApJS..203...21A
SIMBAD within arcmin
', {sourceSize:12, color:'#30a090'})); aladin.on('objectClicked', function(object) { var objName=object.data.MAIN_ID; aladin.showPopup(object.ra,object.dec,'',''+ objName+''); });" title="Show Simbad objects"> Overlay Simbad points in this preview
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within 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!).
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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 (39) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

ICRF J115825.7+245017 IERS B1155+251 NVSS J115825+245017 WISEA J115825.79+245018.0
B2 1155+25 IVS B1155+251 PKS J1158+2450 [MGL2009] BZQ J1158+2450
B2.2 1155+25 JVAS B1155+251 PKS 1155+251 [MML2015] 5BZG J1158+2450
BWE 1155+2507 JVAS J1158+2450 RORF 1155+251 [P82] 1155+251
7C 1155+2506 LEDA 1717805 SDSS J115825.79+245018.0 [VV2003] J115825.8+245018
CGRaBS J1158+2450 MASIV J1158+2450 SDSS J115825.78+245018.0 [VV2006] J115825.8+245018
CLASS J115825.7887+245017.998 2MASX J11582576+2450181 TXS 1155+251 [VV2010c] J115825.8+245017
FIRST J115825.7+245017 MITG J1158+2450 VIPS J11584+2450 Gaia DR1 4004473025407150208
GB6 B1155+2507 MITG J115825+2450 VSOP J1158+2450 Gaia DR2 4004473025407150208
87GB 115551.0+250704 NRAO 1155+25 WB 1155+2507

References (73 between 1850 and 2022) (Total 73)
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   

   


External archives :

Data at NED - NASA/IPAC Extragalactic Database : IERS B1155+251

Link by name to the catalogue in VizieR :

BWE 1155+2507 FIRST J115825.7+245017 IERS B1155+251 2MASX J11582576+2450181 MITG J1158+2450
MITG J115825+2450 NVSS J115825+245017 PKS J1158+2450 PKS 1155+251 SDSS J115825.79+245018.0
SDSS J115825.78+245018.0 VSOP J1158+2450 WISEA J115825.79+245018.0 Gaia DR1 4004473025407150208 Gaia DR2 4004473025407150208

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2021.12.05-06:43:57

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