16 Cyg A

Query : 16 Cyg A
C.D.S. - SIMBAD4 rel 1.7 - 2018.11.17CET19:40:49

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


Basic data :
* 16 Cyg A -- Double or multiple star
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:
* (Ref,*,...), ** (CCDM,**,...), PM* (Ref,LSPM,...), IR (AKARI,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] : coordinates error major axis, minor axis (in mas at defined epoch and convolved with error on propermotion),
    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) :
19 41 48.9539315338 +50 31 30.218780803 (Optical) [ 0.0304 0.0368 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 and convolved with error on propermotion),
    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) :
19 40 29.1403433385 +50 24 30.051732821 [ 3.5002 3.1502 0 ]
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 and convolved with error on propermotion),
    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) :
083.3396831024125 +13.2148019145276 [ 0.0368 0.0304 0 ]
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 :
-148.299 -158.961 [0.063 0.070 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) -27.61 [0.08] / z(~) -0.000092 [0.000000] / cz -27.61 [0.08]
   A 2002ApJS..141..503N
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):
47.2771 [0.0327] A 2018yCat.1345....0G
Spectral type is made of 3 parts: %coding is composed of 4 parts :
  • the spectral type, which is made of a temperature class, eventually a luminosity class (roman number) and/or spectral peculiarities;
  • a quality letter: A=best quality→E=worst quality, {� } =unknown quality %
  • a quality letter: A=best quality -> E=worst quality, {� } =unknown quality
  • bibcode : bibcode of the spectral type reference
Spectral type:
G1.5Vb B 1989ApJS...71..245K
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 (9) :
U 6.79 [~] C 2002yCat.2237....0D
B 6.59 [~] C 2002yCat.2237....0D
V 5.95 [~] C 2002yCat.2237....0D
R 5.50 [~] C 2002yCat.2237....0D
I 5.17 [~] C 2002yCat.2237....0D
G 5.8032 [0.0007] C 2018yCat.1345....0G
J 5.09 [~] C 2003yCat.2246....0C
H 4.72 [~] C 2003yCat.2246....0C
K 4.426 [0.017] C 2003yCat.2246....0C
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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:

  • * 16 Cyg C = WDS J19418+5032Ab


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

: 1 : 1 Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (43) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

CCDM J19418+5031A GCRV 12083 LTT 15750 UBV M 24079
* 16 Cyg A GEN# +1.00186408 2MASS J19414896+5031305 USNO-B1.0 1405-00322518
* 16 Cyg C GJ 765.1 A NLTT 48136 USNO 889
** STF 4046A HD 186408 PLX 4634 uvby98 100186408
** TRN 4 HIC 96895 PPM 37671 WDS J19418+5032Aa,Ab
ADS 12815 A HIP 96895 ROT 2839 WDS J19418+5032A
AG+50 1407 HR 7503 SAO 31898 WEB 17003
AKARI-IRC-V1 J1941488+503129 IDS 19392+5017 A SKY# 36804 YZ 50 6149
ASCC 271116 JP11 3128 SPOCS 854 Gaia DR2 2135550755683405952
BD+50 2847 KIC 12069424 TYC 3565-1524-1 Gaia DR1 2135550751385079552
GC 27284 LSPM J1941+5031W UBV 16779

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References (634 between 1850 and 2019) (Total 634)
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


distance : 1    velocities : 12    ROT : 4    PM : 4    Fe_H : 56    PLX : 4    MK : 12   

   

Observing logs


ISO : 7    herschel : 2    IUE : 46   

   


External archives :

Link by name to the catalogue in VizieR :

CCDM J19418+5031A AG+50 1407 AKARI-IRC-V1 J1941488+503129 BD+50 2847 GJ 765.1 A
HD 186408 HIC 96895 HIP 96895 HR 7503 KIC 12069424
LSPM J1941+5031W 2MASS J19414896+5031305 NLTT 48136 PLX 4634 PPM 37671
SAO 31898 TYC 3565-1524-1 USNO-B1.0 1405-00322518 uvby98 100186408 WDS J19418+5032Aa,Ab
WDS J19418+5032A Gaia DR2 2135550755683405952 Gaia DR1 2135550751385079552

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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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2018.11.17-19:40:49

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