* 17 Tau

Query : * 17 Tau
C.D.S. - SIMBAD4 rel 1.7 - 2018.11.18CET12:06:27

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


Basic data :
* 17 Tau -- Be 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,...), ** (Ref,PMSC,...), IR (IRAS,2MASS,...), UV (CEL,TD1), SB* (SBC7,SBC9), *iC (Cl*,Cl), *iN (VDB), Be* (Ref), Em* (EM*), PM* (Ref), V* (AAVSO)
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) :
03 44 52.5368818 +24 06 48.011217 (Optical) [ 0.22 0.12 90 ] A 2007A&A...474..653V
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) :
03 41 54.0576223 +23 57 27.712251 [ 14.00 11.50 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 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) :
166.1803828142 -23.8486690283 [ 0.22 0.12 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 :
20.84 -46.06 [0.28 0.23 90] 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) 6.70 [1.4] / z(~) 0.000022 [0.000005] / cz 6.70 [1.40]
   B 2006AstL...32..759G
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):
8.06 [0.25] A 2007A&A...474..653V
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:
B6IIIe 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 (9) :
U 3.19 [~] C 2002yCat.2237....0D
B 3.59 [~] C 2002yCat.2237....0D
V 3.70 [~] C 2002yCat.2237....0D
R 3.71 [~] C 2002yCat.2237....0D
I 3.80 [~] C 2002yCat.2237....0D
G 3.6412 [0.0099] C 2018yCat.1345....0G
J 3.89 [~] C 2002yCat.2237....0D
H 3.88 [~] C 2002yCat.2237....0D
K 3.922 [0.036] C 2003yCat.2246....0C
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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:

  • also RfN VDB 20


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

: 1 : 3754 Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (58) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

NAME Electra EPIC 200007769 PLX 793 UBV 3562
* 17 Tau FK5 136 PLX 793.00 uvby98 520220468
AG+23 302 GC 4477 PMC 90-93 97 VDB 20
ALS 15826 GCRV 2079 PMSC 03390+2348Aabc WDS J03449+2407A
BD+23 507 GEN# +5.20220468 PPM 92806 WEB 3317
CEL 316 GSC 01799-01441 RAVE J034452.5+240648 [B10] 852
Cl* Melotte 22 MSH 79 HD 23302 ROT 3741 [HFE83] 249
Cl* Melotte 22 MSK 37 HGAM 257 SAO 76131 [JE82] 122
Cl* Melotte 22 TRU 148 HIC 17499 SBC7 136 [KSP2003] G166.1800-23.8485
Cl* Melotte 22 WCZ 52 HIP 17499 SBC9 188 [KSP2003] J034452.49+240649.0
Cl* Melotte 22 K 7 HR 1142 SKY# 5687 [SCG94] O 59
Cl* Melotte 22 HII 468 IRAS 03418+2357 SRS 30136 AAVSO 0338+23B
Cl Melotte 22 468 JP11 4599 TD1 2471 Gaia DR2 65271996684277504
Cl Melotte 22 4681 2MASS J03445253+2406478 TYC 1799-1441-1
EM* MWC 72 N30 764 UBV M 40997

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References (362 between 1850 and 2019) (Total 362)
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 : 13    ROT : 5    PM : 6    Fe_H : 2    PLX : 4    MK : 16   

   

Observing logs


IUE : 21   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : * 17 Tau

Link by name to the catalogue in VizieR :

AG+23 302 ALS 15826 BD+23 507 CEL 316 FK5 136
GSC 01799-01441 HD 23302 HIC 17499 HIP 17499 HR 1142
IRAS 03418+2357 2MASS J03445253+2406478 PLX 793 PPM 92806 RAVE J034452.5+240648
SAO 76131 TD1 2471 TYC 1799-1441-1 uvby98 520220468 VDB 20
WDS J03449+2407A Gaia DR2 65271996684277504

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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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2018.11.18-12:06:28

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