V* V830 Tau

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Basic data :
V* V830 Tau -- T Tau-type 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: X (1E,2E,...), * (2017ApJ,EPIC,...), IR (2MASS,IRAS,...), TT* (2014ApJ,TAP,...), V* (2012ApJS,1SWASP,...), Y*O (2010ApJS), Y*? (2018A&A), out ([LLQ2015]), Em* (HBC), pr* ([MWF83]), BY* (2017ARep), Rad (GBS) 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 33 10.0299730541 +24 33 43.255853678 (Optical) [ 0.0440 0.0292 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 30 08.0369385679 +24 27 27.482783839 [ 0.0440 0.0292 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) : 173.9887529677508 -15.6479362403331 [ 0.0440 0.0292 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 : 7.247 -21.230 [0.112 0.074 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) 17.640 [0.244] / z(spectroscopic) 0.000059 [0.000001] / cz 17.64 [0.24]    (NIR) A 2019AJ....157..196K 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): 7.6571 [0.0409] 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: M0-1 D 2009A&ARv..17..251S 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 13.91 [~] D 2007A&A...467..785N V 12.08 [~] D 2007A&A...467..785N R 11.30 [~] D 2007A&A...467..785N G 11.6928 [0.0025] C 2018yCat.1345....0G J 9.325 [0.021] C 2003yCat.2246....0C H 8.613 [0.016] C 2003yCat.2246....0C K 8.422 [0.021] C 2003yCat.2246....0C r 13.32 [~] D 2012ApJS..202....7X	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!).

2MASS J04331003+2433433	HBC 405	SSTtau 043310.0+243343	XEST 04-016
1E 0430.2+2459	IRAS C04301+2427	1SWASP J043310.02+243343.7	[FK83] LDN 1529 18
2E 1085	NAME WK X-2	TAP 46	[GBA2007] 1542
2E 0430.1+2427	NAME WK X-Ray 2	TIC 268397995	[LLQ2015] TMO 35
EPIC 247822311	2RXP J043310.3+243345	V* V830 Tau	[MWF83] P4
GBS-VLA J043310.04+243343.1	1RXS J043309.8+243359	WISE J043310.03+243343.1	Gaia DR2 147831571737487488
GSC 01833-00843	SSTc2d J043310.0+243343	WK81 2

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References (179 between 1850 and 2021) (Total 179) 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

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