Thuban

Query : Thuban

Basic data :
* alf Dra -- Spectroscopic Binary
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:
* (*,AG,...), SB* (2004A&A,SBC7,...), ** (**,WDS), EB* (2022ApJS), PM* (2018yCat), X (1RXS), UV (TD1), NIR (2MASS), IR (IRAS)
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) :
14 04 23.3575968507 +64 22 33.130623243 (Optical) [ 0.2092 0.1844 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=J2000 eq=2000) :
14 04 23.3561017523 +64 22 33.133109210 [ 0.2092 0.1844 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
FK4 coord. (ep=B1950 eq=1950) :
14 03 01.9965928059 +64 36 51.963223455 [ 0.2092 0.1844 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) :
110.5237354111275 +50.9587311994351 [ 0.2092 0.1844 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 :
-56.351 12.329 [0.300 0.238 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) -13.0 [0.9] / z(~) -0.000043 [0.000003] / cz -13.00 [0.90]
   A 1979IAUS...30...57E
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):
12.5156 [0.2033] A 2020yCat.1350....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:
A0III C ~
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) :
U 3.520 [0.010] C 1984A&AS...57..357O
B 3.640 [0.007] C 1993A&AS..100..591O
V 3.680 [0.009] C 1993A&AS..100..591O
G 3.652423 [0.003535] C 2022yCat.1355....0G
J 3.434 [0.306] E 2003yCat.2246....0C
H 3.633 [0.224] D 2003yCat.2246....0C
K 3.639 [0.272] D 2003yCat.2246....0C
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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sedIcon
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

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (42) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

* alf Dra HGAM 627 PMC 90-93 371 TYC 4174-1262-1
* 11 Dra HIC 68756 PPM 18861 UBV 12463
** NOI 4 HIP 68756 Renson 35350 UBV M 19972
AG+64 666 HR 5291 ROT 2029 uvby98 100123299
BD+65 978 IRAS 14030+6436 1RXS J140424.4+642233 WDS J14044+6423AB
FK5 521 JP11 2470 SAO 16273 WEB 12028
GC 19019 2MASS J14042335+6422331 SBC7 507 [HFE83] 1003
GCRV 8269 N30 3202 SBC9 800 Gaia DR2 1667976701458550400
GEN# +1.00123299 NAME Thuban SKY# 25766 Gaia DR3 1667976701458958848
GSC 04174-01262 PLX 3209 TD1 17263
HD 123299 PLX 3209.00 TIC 165991532

References (19 between 2019 and 2024) (Total 274)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
Follow new references on this object
                Reference summaries :

                from: to:

                 or select by : (not exhaustive, explanation here)


Collections of Measurements


velocities : 15    V* : 1    distance : 2    ROT : 5    Fe_H : 7    PLX : 5    PM : 7    MK : 14   

   

Warning : measurements from IRAS, IRC, SAO, CL.g (ACO), GJ have been removed
(they are still available using the icon Vizier near the identifier of the catalogue, or at the bottom of the page in the section "External links" to get the full data)

velocities (15)

 |typ|    Value    R   m.e.  |A (Nmes)|na,Q,dom ,   res    D| Obs.date | Rem.  |Or|     Reference     |
 ------------------------------------------------------------------------------------------------------
 |v  |  -14.0                |  (    )|s , ,    ,           |          |       |  |1995A&AS..114..269D|
 

v* (1)

 |     vartyp     |    Vmax     p     Vmin    |   period   | epoch (JD)   |D/rt %|     reference     |
 -----------------------------------------------------------------------------------------------------
 |E               |                           |  51.417845 | 2458696.0240 |      |2022ApJS..258...16P|
 

distance (2)

 | distance Q unit|  err-        err+     | method |     reference     |
 -----------------------------------------------------------------------
 |   79.9003  pc  |  -1.2978     +1.2978  |paral   |2020yCat.1350....0G|
 

rot (5)

 |  Vsini  [  err   ] (mes)|Q|     reference     |
 -------------------------------------------------
 |  24     [        ] (   )|D|2002A&A...393..897R|
 

fe_h (7)

 | Teff  log.g | Fe_H  c|CompStar |CatNo|     Reference     |
 ------------------------------------------------------------
 |  9164 2.50  | 0.80   |SUN      |     |1970BAICz..21...56Z|
 

plx (5)

 |    plx    :    m.e     R |     reference     |
 ------------------------------------------------
m|  10.56    :   0.52       |1997A&A...323L..49P|
 

pm (7)

 |  pm-ra  [   m.e   ]|  pm-de  [   m.e   ]|syst|     reference     |
 --------------------------------------------------------------------
 |  -56.351[    0.300]|  +12.329[    0.238]|ICRS|2020yCat.1350....0G|
 

mk (14)

 |ds/mss|           Spectral type            |     reference     |
 -----------------------------------------------------------------
 |  /   |A0V                                 |2020MNRAS.491.2280S|
 
Observing logs


ISO : 3    IUE : 12   

   

Warning : measurements from IRAS, IRC, SAO, CL.g (ACO), GJ have been removed
(they are still available using the icon Vizier near the identifier of the catalogue, or at the bottom of the page in the section "External links" to get the full data)

iso (3)

The 2 columns in color are computed by VizieR, and are not part of the original data.
Note: Quick-look images of the data, and specific documentation, are accessible by clicking on the TDT observation identifier
VI/111/isolog
Post annotation
ISO Observation Log (ISO Data Centre, 2004) [ReadMe+ftp]

*The ISO Observation Log[image] (36737 rows) (Note)
img(gal)
start AladinLite

Full _r TDT AOT minLam maxLam Target oStart oLen recno FOV RAJ2000 DEJ2000 cal ObsID abs PropID arcmin um um s s deg deg
1 0.007 36700242 PHT03 3.08 25.08 HR5291 1996-11-17T12:18:41 418 15390 52" D 211.0971 +64.3758 RSTENCEL VEGADIS5 2 0.007 36700272 PHT22 54.76 71.44 HR5291 1996-11-17T12:26:23 454 15391 135.5"x135.5" 211.0971 +64.3758 RSTENCEL VEGADIS5 3 1.004 36700212 PHT03 8.33 25.08 HR5291 1996-11-17T12:11:45 366 15389 52" D 211.1175 +64.3616 RSTENCEL VEGADIS5

iue (12)

 |Homogenized Name:  ComplID   |PROG |CL|D CAM IMAGE A| FES  MD|Obs.da  Time |ExpTim|m|CEB|S|      Comments      |F|     reference     |
 ---------------------------------------------------------------------------------------------------------------------------------------
 |HD 123299       :            |SAOCW|32|L SWP 45226 S|  881 FU|920725 160700|000006| |400|G|C=145,B=15          |*|1996IUEML.C......0I|
 

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : Thuban

Link by name to the catalogue in VizieR :

AG+64 666 BD+65 978 FK5 521 GSC 04174-01262 HD 123299
HIC 68756 HIP 68756 HR 5291 IRAS 14030+6436 2MASS J14042335+6422331
PLX 3209 PPM 18861 1RXS J140424.4+642233 SAO 16273 TD1 17263
TYC 4174-1262-1 uvby98 100123299 WDS J14044+6423AB Gaia DR2 1667976701458550400 Gaia DR3 1667976701458958848

Search by coordinates in Vizier (radius: 5 arcsec)


Annotations :
Annotations allow a user to add a note or report an error concerning the astronomical object and its data. It requires registration to post a note. See description .
Please, have a look at Best practices. The list of all annotations to SIMBAD objects can be found here .

display existing annotations (1)

add an annotation to this object

report an error concerning the data of this object