71 Tau

Query : 71 Tau
C.D.S. - SIMBAD4 rel 1.7 - 2018.11.16CET18:09:13

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


Basic data :
* 71 Tau -- Variable Star of delta Sct type
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,*,...), X (2E,1ES,...), UV (CEL,EUVE,...), ** (**,CCDM,...), SB* (SBC7,SBC9), *iC (Cl*,Cl), IR (IRAS,2MASS), PM* (Ref), dS* (Ref), V* (V*)
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) :
04 26 20.7730189928 +15 37 05.788526607 (Optical) [ 0.3336 0.1705 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) :
04 23 29.7063237346 +15 30 22.573021886 [ 38.4016 23.7507 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) :
180.1819446726598 -22.6028196775884 [ 0.3336 0.1705 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 :
85.393 -14.869 [0.768 0.475 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) 38.3 [5] / z(~) 0.000128 [0.000017] / cz 38.30 [5.00]
   C 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):
22.4141 [0.4969] 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:
F0V 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 (8) :
B 4.758 [0.002] D 2011A&A...531A..92R
V 4.480 [0.002] D 2011A&A...531A..92R
R 5.96 [0.22] E 2012yCat.1322....0Z
I 4.15 [0.03] C 2013ApJS..208...29W
G 4.3534 [0.0022] C 2018yCat.1345....0G
J 4.17 [0.25] D 2003yCat.2246....0C
H 3.954 [0.236] D 2003yCat.2246....0C
K 4.028 [0.236] D 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!).

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

: 1 : 867 Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (53) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

V* V777 Tau 1ES 0423+15.4 PLX 979 UBV 4272
* 71 Tau EUVE J0426+15.6 PLX 979.00 UBV M 41347
** DRS 38 GC 5375 PPM 119892 UCAC4 529-008497
** BUP 59A GCRV 2580 2RE J042623+153632 uvby98 520250141
AG+15 365 GEN# +5.20250141 2RE J0426+153 WDS J04263+1537AC
BD+15 625 GSC 01265-01176 ROT 3911 WEB 3972
CCDM J04264+1536A HD 28052 RX J0426.3+1537 YPAC 105
CEL 400 HIC 20713 1RXS J042620.9+153646 YZ 15 1175
Cl* Melotte 25 S 93 HIP 20713 SAO 93932 [FS2003] 0183
Cl* Melotte 25 VA 388 HR 1394 SBC7 178 [RSP2011] 327
Cl Melotte 25 141 IRAS 04234+1530 SBC9 244 Gaia DR2 3312759303911629952
Cl Melotte 25 1411 JP11 4940 SKY# 6850
2E 1034 LP 15-625 TD1 3162
2E 0423.5+1530 2MASS J04262073+1537060 TYC 1265-1176-1

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References (203 between 1850 and 2019) (Total 203)
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 : 11    ROT : 6    PM : 3    Fe_H : 2    PLX : 4    MK : 4   

   

Observing logs


IUE : 23   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : 71 Tau

Link by name to the catalogue in VizieR :

V* V777 Tau AG+15 365 BD+15 625 CCDM J04264+1536A CEL 400
2E 1034 EUVE J0426+15.6 GSC 01265-01176 HD 28052 HIC 20713
HIP 20713 HR 1394 IRAS 04234+1530 2MASS J04262073+1537060 PLX 979
PPM 119892 2RE J042623+153632 2RE J0426+153 1RXS J042620.9+153646 SAO 93932
TD1 3162 TYC 1265-1176-1 UCAC4 529-008497 uvby98 520250141 WDS J04263+1537AC
Gaia DR2 3312759303911629952

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

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2018.11.16-18:09:13

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