coord 04 47 05.021 +16 58 38.48 (ICRS, J2000, 2000.0), radius: 2 arcmin

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Query : coord 04 47 05.021 +16 58 38.48 (ICRS, J2000, 2000.0), radius: 2 arcmin

deg arc min arc sec

C.D.S. - SIMBAD4 rel 1.7 - 2019.12.13CET08:47:44

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

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Basic data :
V* DR Tau -- T Tau-type Star Distance to the center arcsec: 17.67 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: * (CSI,GCRV,...), IR (AKARI,IRAS,...), V* (V*,AAVSO), smm (JCMTSE,JCMTSF), EmO (MHA), Y*O (Ref), Em* (HBC), TT* (Ref), FIR (Ref) 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 47 06.2152696011 +16 58 42.814250257 (Optical) [ 0.0679 0.0375 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] : 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 44 13.1738864069 +16 53 24.107680316 [ 0.0679 0.0375 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) : 182.2987706045636 -17.8369503539160 [ 0.0679 0.0375 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 : 5.106 -13.924 [0.145 0.066 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) 21.100 [0.040] / z(~) 0.000070 [0.000000] / cz 21.10 [0.04]    (Opt) A 2012ApJ...745..119N 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): 5.1110 [0.0646] 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: K5Ve C 1949ApJ...110..424J 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 12.03 [~] C 2002yCat.2237....0D B 11.86 [~] C 2002yCat.2237....0D V 10.50 [~] C 2002yCat.2237....0D R 12.19 [0.41] E 2009yCat.1315....0Z G 11.6486 [0.0153] C 2018yCat.1345....0G J 8.845 [0.024] C 2003yCat.2246....0C H 7.80 [0.05] C 2003yCat.2246....0C K 6.874 [0.017] C 2003yCat.2246....0C	SIMBAD with radius arcmin Interactive AladinLite view 2MASS DSS SDSSXMMIRACIRISGALEX VizieR photometry viewer    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!).

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Hierarchy : number of linked objects whatever the membership probability is (see description here ) : : 1 : 1685 Display criteria : All >=90% stars galaxies radio IR <2 arcsec #ref>50

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The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature. Identifiers (23) :

An access of full data is available using the icon Vizier near the identifier of the catalogue

V* DR Tau	IRAS 04442+1653	PSCz P04442+1653	WISE J044706.22+165842.8
AKARI-IRC-V1 J0447062+165842	IRAS F04442+1653	SV* SVS 1088	[LC2009] 9
CSI+16-04442	JCMTSE J044706.1+165842	TYC 1271-1233-1	AAVSO 0441+16B
GCRV 55412	JCMTSF J044706.1+165842	UBV 4574	Gaia DR1 3406081860852425600
GSC 01271-01233	2MASS J04470620+1658428	UCAC2 37661005	Gaia DR2 3406081865148861440
HBC 74	MHA 257-8	UCAC3 214-21403

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References (462 between 1850 and 2020) (Total 462) 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 :

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Collections of Measurements

distance : 1    velocities : 2    ROT : 1    PM : 1    PLX : 2    MK : 2    V* : 1   

   

Observing logs

ISO : 11    herschel : 4    IUE : 50   

   

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External archives :

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

Link by name to the catalogue in VizieR :

V* DR Tau	AKARI-IRC-V1 J0447062+165842	GSC 01271-01233	IRAS 04442+1653	IRAS F04442+1653
2MASS J04470620+1658428	TYC 1271-1233-1	UCAC2 37661005	UCAC3 214-21403	WISE J044706.22+165842.8
Gaia DR1 3406081860852425600	Gaia DR2 3406081865148861440

Search by coordinates in Vizier (radius: 5 arcsec)

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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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