Basic data :
* alf Tau -- Long-Period Variable Candidate 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,...), ** (**,ADS,...), IR (IRAS,IRC,...), PM* (LSPM,LTT,...), V* (CSV,V*), UV (CEL,TD1), LP? (2009yCat) 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) : 04 35 55.23907 +16 30 33.4885 (Optical) [ 7.38 5.70 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] : 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) : 04 35 55.24091 +16 30 33.4732 [ 7.38 5.70 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) : 04 33 02.89523 +16 24 37.5805 [ 7.38 5.70 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) : 180.97191142 -20.24829666 [ 7.38 5.70 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 : 63.45 -188.94 [0.84 0.65 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) 54.398 [0.0008] / z(spectroscopic) 0.000181 [0.000000] / cz 54.40 [0.00]    (Opt) A 2018A&A...616A...7S 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): 48.94 [0.77] 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: K5+III 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 (8) : U 4.32 [~] C 2002yCat.2237....0D B 2.40 [~] C 2002yCat.2237....0D V 0.86 [~] C 2002yCat.2237....0D R -0.37 [~] C 2002yCat.2237....0D I -1.31 [~] C 2002yCat.2237....0D J -2.095 [0.194] D 2003yCat.2246....0C H -2.775 [0.170] D 2003yCat.2246....0C K -3.044 [0.140] 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 points in this preview 2MASS DSS SDSSXMMIRACIRISGALEX All (CDSPortal) Send to 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!).
Some important notes on this object about identifications and objects associations. notes: Unconfirmed planet detected, see Aldebaran b in the Extrasolar Planets Encyclopaedia.

* alf Tau	FK5 168	IRC +20087	SKY# 7128
* 87 Tau	GAT 1331	JP11 898	SRS 30168
** BU 550A	GC 5605	LSPM J0435+1630	TD1 3349
** BU 1031A	GCRV 2689	LTT 11462	TIC 245873777
** STF 4002A	GEN# +1.00029139	2MASS J04355524+1630331	TYC 1266-1416-1
ADS 3321 A	GJ 171.1 A	N30 962	UBV 4426
AG+16 400	GJ 9159 A	NAME Aldebaran	UBV M 10223
AP J04355524+1630331	GSC 01266-01416	NLTT 13584	USNO-B1.0 1065-00048822
ASCC 838711	HD 29139	PLX 1014	uvby98 100029139
BD+16 629	HIC 21421	PMC 90-93 119	V* alf Tau
CCDM J04359+1631A	HIP 21421	PPM 120061	WDS J04359+1631A
CEL 436	HR 1457	RAFGL 601	WEB 4111
CSI+16 629 1	IDS 04302+1619 A	ROT 655	YZ 16 1233
CSV 6116	IRAS 04330+1624	SAO 94027	[B10] 1077

References (89 between 2018 and 2023) (Total 1229) 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

Collections of Measurements

velocities (30)

 |typ|    Value    R   m.e.  |A (Nmes)|na,Q,dom ,   res    D| Obs.date | Rem.  |Or|     Reference     |
 ------------------------------------------------------------------------------------------------------
 |v  |   55.239101    0.00717|A (    )|s , ,NIR ,           |          |       |  |2020AJ....160..120J|
 

rot (3)

 |  Vsini  [  err   ] (mes)|Q|     reference     |
 -------------------------------------------------
m|   4.3   [        ] (113)| |2008AJ....135..209M|
 

fe_h (58)

 |Teff  log.g | Fe_H  c|CompStar |CatNo|     Reference     |
 -----------------------------------------------------------
 | 3982 1.3256|-0.132  |         |     |2020AJ....160..120J|
 

plx (3)

 |    plx    :    m.e     R |     reference     |
 ------------------------------------------------
 |  50.0     :   1.3        |2008AJ....136..452G|
 

pm (6)

 |  pm-ra  [   m.e   ]|  pm-de  [   m.e   ]|syst|     reference     |
 --------------------------------------------------------------------
 |  +65.15 [    0.24 ]| -190.02 [    0.25 ]|ICRS|2008AJ....136..452G|
 

mk (36)

 |ds/mss|           Spectral type            |     reference     |
 -----------------------------------------------------------------
m|  /   |K5III                               |2009A&A...508.1313F|
 

iso (36)

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pos.*Position	J2000	pos.eq*
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Motion	redshift	src.redshift*
	radial velocity	spect.dopplerVeloc*|phys.veloc*
	proper motion	pos.pm*
phot.flux*Flux	Radio	phot.flux*;em.radio*
	IR	phot.flux*;em.IR*|phot.flux*;em.mm*
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	High energy	phot.flux*;em.X-ray*|phot.flux*;em.gamma*
phot.mag*|phot.color*|phys.magAbs*Magnitude	magnitude IR (K band) (2mass)	phot.mag*;em.IR.K*
	magnitude Optical (B band) (SDSS G)	phot.mag*;em.opt.B*
	color	phot.color*
	absolute	phys.magAbs*

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iue (80)

 |Homogenized Name:  ComplID   |PROG |CL|D CAM IMAGE A| FES  MD|Obs.da  Time |ExpTim|m|CEB|S|      Comments      |F|     reference     |
 ---------------------------------------------------------------------------------------------------------------------------------------
 |HD 29139        :            |UK031|46|L SWP 02370 S| 9300 FU|780823 010500|002100| |37 |V|CONT 25 DN ABOVE BGD|*|1996IUEML.C......0I|
 

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