tau aurigae

Query : tau aurigae C.D.S. - SIMBAD4 rel 1.225 - 2015.08.03CEST04:40:45

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


Basic data :
* tau Aur -- High proper-motion 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:
* (*,AG,BD,CSI,GC,GCRV​,GEN#,GSC,HD,HIC​,HIP,HR,JP11,PLX​,PPM,ROT,SAO,SKY#​,TYC,UBV,YPAC), ** (ADS,CCDM,IDS,WDS), IR (AKARI,IRAS,IRC,2MASS), PM* (Ref), UV (TD1)
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra : right ascension (unit and frame defined according to your Output Options)
  • dec : declination (unit and frame defined according to your Output Options)
  • (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 epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • 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) :
05 49 10.43826 +39 10 51.8627 ( Optical ) [ 2.19 1.41 90 ] A 2007A&A...474..653V
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra : right ascension (unit and frame defined according to your Output Options)
  • dec : declination (unit and frame defined according to your Output Options)
  • (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 epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • 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) :
05 49 10.438 +39 10 51.86 [ 2.19 1.41 90 ]
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra : right ascension (unit and frame defined according to your Output Options)
  • dec : declination (unit and frame defined according to your Output Options)
  • (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 epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • 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) :
05 45 42.47 +39 09 58.3 [ 12.58 8.30 0 ]
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra : right ascension (unit and frame defined according to your Output Options)
  • dec : declination (unit and frame defined according to your Output Options)
  • (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 epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • 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) :
171.5839 +05.9091 [ 2.19 1.41 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 :
-28.30 -24.97 [0.25 0.16 0] A 2007A&A...474..653V
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) -19.32 [0.19] / z(~) -0.000064 [0.000001] / cz -19.32 [0.19]   (~) A 2008AJ....135..209M
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:
15.77 [0.20] A 2007A&A...474..653V
Spectral type is made of 3 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
  • bibcode : bibcode of the spectral type reference
Spectral type:
G8III C ~
Syntax of fluxes (or magnitudes) is : "filter-name flux-value [error] quality MultVarFlags bibcode"
  • filter-name : U, B, V, R, I, J, H, K, u, g, r, i, z
  • 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 (8) :
U 6.160 [0.010] C 1984A&AS...57..357O
B 5.450 [0.007] C 1993A&AS..100..591O
V 4.500 [0.009] C 1993A&AS..100..591O
R 3.80 [~] C 2002yCat.2237....0D
I 3.31 [~] C 2002yCat.2237....0D
J 2.89 [~] C 2002yCat.2237....0D
H 2.43 [~] C 2002yCat.2237....0D
K 2.32 [~] C 2002yCat.2237....0D
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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!).

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (33) :

* tau Aur GCRV 3607 IRC +40142 TD1 5343
* 29 Aur GEN# +1.00038656 JP11 1257 TYC 2911-1795-1
ADS 4398 A GSC 02911-01795 2MASS J05491042+3910519 UBV 5919
AG+39 683 HD 38656 PLX 1325 UBV M 11492
AKARI-IRC-V1 J0549104+391051 HIC 27483 PLX 1325.00 WDS J05492+3911A
BD+39 1418 HIP 27483 PPM 70884 YPAC 396
CCDM J05492+3911A HR 1995 ROT 923
CSI+39 1418 1 IDS 05422+3909 A SAO 58465
GC 7277 IRAS 05456+3909 SKY# 9589

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References (121 between 1850 and 2015)
Simbad bibliographic survey began in 1950 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

from: to:

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Measurements (15 types) :


Fe_H : 7    GEN : 1    IRAS : 1    IRC : 1    JP11 : 2    MK : 9    oRV : 4    PLX : 6    PM : 3    pos : 3    posa : 1    ROT : 3   
SAO : 1    UBV : 17    velocities : 6   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database

Catalogue information from VizieR :

Generic search by coordinates (radius: 5 arcsec)

AG+39 683 BD+39 1418 CCDM J05492+3911A GSC 02911-01795 HD 38656
HIC 27483 HIP 27483 HR 1995 IRAS 05456+3909 IRC +40142
2MASS J05491042+3910519 PPM 70884 SAO 58465 TYC 2911-1795-1 WDS J05492+3911A

Annotations :
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The list of all annotations to SIMBAD objects can be found here .

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2015.08.03-04:40:45

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