3C 371

Query : 3C 371
C.D.S. - SIMBAD4 rel 1.7 - 2019.10.23CEST08:29:28

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


Basic data :
3C 371 -- 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 (3C,BWE,...), G (Ref,CGPG,...), X (Ref,1E,...), BLL (Ref,[VV2000b],...), Bla (Ref,RBPL,...), gam (1FGL,2FGL,...), IR (AKARI,IRAS,...), * (PLX,USNO,...), QSO (Ref,QSO,...), AGN (Ref,CGRaBS), V* (AAVSO), Bz? ([SRM2005]), UV (UVQS)
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) :
18 06 50.6803567107 +69 49 28.108152993 (Optical) [ 0.0230 0.0281 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) :
18 07 18.5709621920 +69 48 57.095936362 [ 0.0230 0.0281 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) :
100.1312960151632 +29.1668319251632 [ 0.0230 0.0281 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 :
0.062 0.016 [0.044 0.055 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) 14900 [899] / z(spectroscopic) 0.051 [0.003] / cz 15289 [899]
   (Opt) D 2016AJ....152...25M
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):
3.1 [2.2] E 1995GCTP..C......0V
Syntax of morphological type is : mtype quality bibcode
  • mtype : Hubble morphological class (spirals, ellipticals, etc)
  • quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality)
  • bibcode : bibcode of the morphological type reference
Morphological type:
E D ~
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):
0.330 0.304 15 (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 (7) :
B 14.77 [~] D 2010A&A...518A..10V
V 14.22 [~] D 2010A&A...518A..10V
R 11.39 [~] D 2008ApJS..175...97H
G 14.9730 [0.0121] C 2018yCat.1345....0G
J 12.134 [0.024] C 2006AJ....131.1163S
H 11.370 [0.026] C 2006AJ....131.1163S
K 10.885 [0.035] C 2006AJ....131.1163S
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!).
Some important notes on this object about identifications and objects associations.
notes:


Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 1 : 2 Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (97) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

3C 371 GB6 B1807+6949 RBPL J1806+6949 Z 340-35
AKARI-IRC-V1 J1806505+694927 87GB 180718.0+694904 RGB J1806+698 Z 1807.2+6949
BWE 1807+6949 1H 1803+696 RGB J1806.8+6949 [CAB95] IRAS F18072+6948
3C 371.0 H 1807+698 RORF 1807+698 [DGT2001] B1807+698
4C 69.24 H 1801+698 RX J1807.0+6949 [DML87] 464
6C 180718+694857 HS 1807+6948 RX J1806.8+6949 [DSL2000] 1807+698
7C 1807+6949 ICRF J180650.6+694928 1RXS J180650.2+694923 [HB93] 1807+698
7C 180717.90+694858.00 IERS B1807+698 S4 1807+698 [IN88] 1807+698
7C 180717.89+694858.00 INTREF 878 S4 1807+69 [MGL2009] BZU J1806+6949
CGPG 1807.2+6949 IRAS 18072+6949 TXS 1807+698 [MGL2009] BZB J1806+6949
CGRaBS J1806+6949 IRAS F18072+6948 UGC 11130 [MGL2015] 5BZB J1806+6949
CJ1 1807+698 JVAS B1807+698 USNO 759 [P82] 1807+698
CJF B1807+698 JVAS J1806+698 UVQS J180650.80+694928.4 [SRM2005] J180650.68+694928.1
CLASS J180650.6826+694928.120 1Jy 1807+698 UZC J180650.6+694928 [VV2000b] J180650.7+694928
3CR 371 1Jy 1807+69 VLSS J1806.8+6949 [VV2003b] J180650.7+694928
1E 1807.3+6949 Ka 273 VSOP J1806+6949 [VV2006b] J180650.7+694928
2E 4023 LEDA 61417 WB 1807+6949 [VV2010b] J180650.7+694928
2E 1807.2+6948 LRWR 417 WISE J180650.69+694928.1 [VV98b] J180650.7+694928
1ES 1807+69.8 2MASS J18065066+6949279 WISE J180650.67+694928.1 [WCO2009] J180649+695036
1FGL J1807.0+6945 2MASX J18065063+6949275 WMAP J1806+6948 AAVSO 1807+69
2FGL J1806.7+6948 MY 180719.1+694924.6 WMAP 67 Gaia DR1 2260127239876141184
3FGL J1806.7+6949 NRAO 548 WMAP J1806+6949 Gaia DR2 2260127244173131520
1FHL J1806.3+6948 NVSS J180650+694928 WN B1807+6948
3FHL J1806.8+6950 PLX 4178.01 WN B1807.3+6948
GB6 J1806+6949 QSO B1807+698 ZW VII 768

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References (787 between 1850 and 2019) (Total 787)
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 : 15    PM : 2    PLX : 1   

   

Observing logs


ISO : 45    IUE : 16   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : 3C 371

Link by name to the catalogue in VizieR :

3C 371 AKARI-IRC-V1 J1806505+694927 BWE 1807+6949 3C 371.0 4C 69.24
3CR 371 2E 4023 IERS B1807+698 IRAS 18072+6949 IRAS F18072+6948
2MASS J18065066+6949279 2MASX J18065063+6949275 NVSS J180650+694928 1RXS J180650.2+694923 UGC 11130
VSOP J1806+6949 WISE J180650.69+694928.1 WISE J180650.67+694928.1 WN B1807+6948 WN B1807.3+6948
[DML87] 464 Gaia DR1 2260127239876141184 Gaia DR2 2260127244173131520

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2019.10.23-08:29:28

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