HD 23862

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Basic data :
* 28 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: Ir* (), * (*,AG,...), IR (AKARI,IRAS,...), *iC (Cl*,Cl), V* (V*,AAVSO), UV (CEL,TD1), ** (WDS), Be* (Ref), Em* (EM*), X (1E) 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 49 11.2175463444 +24 08 12.172181348 (Optical) [ 0.1899 0.1184 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) : 03 46 12.4086208581 +23 59 07.620091154 [ 15.0005 13.5014 69 ] 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) : 166.9567171550756 -23.1693986071633 [ 0.1899 0.1184 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 : 18.07 -47.20 [0.30 0.27 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) 5.10 [0.2] / z(~) 0.000017 [0.000001] / cz 5.10 [0.20]    A 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): 7.7229 [0.2039] 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: B8Vne C 2008PZP.....8....6T 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 4.73 [~] C 2002yCat.2237....0D B 5.01 [~] C 2002yCat.2237....0D V 5.09 [~] C 2002yCat.2237....0D I 5.08 [~] D 2007ApJS..172..663S G 5.1857 [0.0017] C 2018yCat.1345....0G J 5.087 [0.037] C 2003yCat.2246....0C H 5.067 [0.047] C 2003yCat.2246....0C K 4.937 [0.021] 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!).

NAME Pleione	Cl Melotte 22 878	HR 1180	uvby98 520222181
* 28 Tau	CSI+24-03431 1	IRAS 03462+2359	V* BU Tau
AG+23 332	DANCe J03491122+2408122	JP11 4704	WDS J03492+2408Aa,Ab
AKARI-IRC-V1 J0349112+240812	1E 0346.2+2359	2MASS J03491121+2408120	WEB 3429
BD+23 558	EM* MWC 75	PLX 833	YZ 23 1196
CEL 356	EPIC 200007773	PLX 833.00	[JE82] 126
Cl* Melotte 22 K 85	GC 4587	PPM 92936	[KSP2003] G166.9564-23.1693
Cl* Melotte 22 MSK 191	GCRV 2172	ROT 3799	[KSP2003] J034911.18+240812.8
Cl* Melotte 22 TRU 602	GEN# +5.20222181	SAO 76229	[SCG94] X 230
Cl* Melotte 22 WCZ 372	GSC 01800-02200	SKY# 5826	[SCG94] O 199
Cl* Melotte 22 VM 53	HD 23862	TD1 2552	AAVSO 0343+23
Cl* Melotte 22 HII 878	HGAM 287	TYC 1800-2200-1	Gaia DR2 66529975427235712
Cl* Melotte 22 HII 2181	HIC 17851	UBV 3682
Cl Melotte 22 2181	HIP 17851	UCAC3 229-19912

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References (427 between 1850 and 2019) (Total 427) 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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Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : HD 23862

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