coord 12 30 14.0935 +25 18 07.145 (FK5, 2000, 2000), radius: 1 arcmin

Query : coord 12 30 14.0935 +25 18 07.145 (FK5, 2000, 2000), radius: 1 arcmin
CLEAR

Basic data :
7C 122744.79+253415.00 -- BL Lac
Distance to the center arcsec: 0.05
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 (2020A&A,7C,...), BLL (2010ApJ,[NBK96],...), gam (1FGL,2FGL,...), Bla (2013ApJS,[DGT2001],...), Bz? (2019A&A,3HSP,...), X (2009A&A,RBS,...), * (Cl*,GSC,...), Opt (ATO,LAMOST,...), QSO (2015MNRAS), AGN (2011ApJ,CGRaBS), V* (2018AJ,NSV), MIR (WISEA,WISE), BL? (2021MNRAS), Q? (FBQS), GiC (CAIRNS), G (2021AJ), V*? (SV*), NIR (2MASS)
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=2000) : 		12 30 14.0893292232 +25 18 07.136022996 (Optical) [ 0.0275 0.0232 90 ] A 2020yCat.1350....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
FK5 coord. (ep=2000 eq=2000) : 		12 30 14.0901964453 +25 18 07.129619756 [ 0.0275 0.0232 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
232.7540940245758 +84.9064736641181 [ 0.0275 0.0232 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 : 		0.012 0.011 [0.038 0.031 90] A 2020yCat.1350....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) 37762 [~] / z(spectroscopic) 0.135 [~] / cz 40472 [~]
   D 2011NewA...16..503M
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 15.6 [~] E ~
V 14.5 [~] E ~
R 14.78 [~] D 2008ApJS..175...97H
G 15.512402 [0.031902] C 2020yCat.1350....0G
J 13.185 [0.021] C 2003yCat.2246....0C
H 12.431 [0.017] C 2003yCat.2246....0C
K 11.692 [0.018] C 2003yCat.2246....0C
u (AB) 15.445 [0.005] B 2012ApJS..203...21A
g (AB) 15.039 [0.004] B 2012ApJS..203...21A
r (AB) 14.708 [0.004] B 2012ApJS..203...21A
i (AB) 18.517 [0.023] C 2012ApJS..203...21A
z (AB) 14.229 [0.005] B 2012ApJS..203...21A
SIMBAD within arcmin
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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!). sed-help-icon
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 (73) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

7C 122744.79+253415.00 GSC 01989-02067 RX J1230.2+2517 [DGT2001] J1230+2517
ATO J187.5587+25.3019 3HSP J123014.1+251807 RX J1230.2+2512 [HMI96] 1227+2534
BWE 1227+2535 ICRF J123014.0+251807 1RXS J123014.2+251805 [MGL2009] BZB J1230+2518
CAIRNS J123014.09+251807.1 IERS B1227+255 S3 1227+25 [MML2015] 5BZB J1230+2518
CGRaBS J1230+2518 IVS B1227+255 SDSS J123014.08+251807.1 [NBK96] J12302+2517
Cl* Melotte 111 GRZ 9 JVAS B1227+255 SV* SVS 2307 [RSP96] 9
CLASS J123014.0934+251807.144 JVAS J1230+2518 TeV J1230+253 [SRM2005] J123014.09+251807.1
CRATES J123015+251823 LAMOST J123014.08+251807.1 TGSSADR J123014.2+251806 [VV2000b] J123014.0+251806
FBQS J1230+2518 LINEAR 3766947 TIC 1153022 [VV2003b] J123014.0+251806
1FGL J1230.4+2520 2MASS J12301408+2518072 TXS 1227+255 [VV2006b] J123014.0+251806
2FGL J1230.2+2517 MITG J123013+2517 VCS1 J1230+2518 [VV2010b] J123014.0+251806
3FGL J1230.3+2519 NSV 19409 VER J1230+253 [VV98b] J123014.0+251806
4FGL J1230.2+2517 NVSS J123014+251807 VIPS J12302+2518 [ZEH2003] RX J1230.2+2518 1
1FHL J1230.3+2522 OHIO N 246 WB 1227+2535 Gaia DR3 3960262766661145216
3FHL J1230.2+2517 RBS 1121 2WHSP J123013.9+251806 Gaia DR1 3960262762365465728
FIRST J123014.0+251807 RFC J1230+2518 WISEA J123014.08+251807.1 Gaia DR2 3960262766661145216
FL8Y J1230.2+2517 RGB J1230.2+2518 WISE J123014.09+251807.1
GB6 B1227+2534 RGB J1230+253 WISE J123014.08+251807.1
87GB 122746.7+253502 RX J1230.2+2518 9Y-MST J1230+2518

References (158 between 1983 and 2024) (Total 161)
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 : 2    V* : 2    PM : 2   

   

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : 7C 122744.79+253415.00

Link by name to the catalogue in VizieR :

BWE 1227+2535 FIRST J123014.0+251807 GSC 01989-02067 IERS B1227+255 2MASS J12301408+2518072
MITG J123013+2517 NSV 19409 NVSS J123014+251807 1RXS J123014.2+251805 SDSS J123014.08+251807.1
WISEA J123014.08+251807.1 WISE J123014.09+251807.1 WISE J123014.08+251807.1 Gaia DR3 3960262766661145216 Gaia DR1 3960262762365465728
Gaia DR2 3960262766661145216

Search by coordinates in Vizier (radius: 5 arcsec)

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