Chi1 Ori

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Basic data :
* chi01 Ori -- Variable of RS CVn 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,*,...), PM* (Ref,LSPM,...), UV (2EUVE,EUVE,...), X (Ref,2E,...), ** (**,CCDM,...), IR (IRAS,IRC,...), SB* (Ref,SBC9), RS* (Ref), Ro* (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) : 05 54 22.9829893 +20 16 34.222038 (Optical) [ 0.23 0.16 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] : 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) : 05 51 25.1544100 +20 16 08.180478 [ 14.00 8.00 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) : 188.4580406626 -02.7324831720 [ 0.23 0.16 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 : -162.54 -99.51 [0.28 0.16 90] 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) -15.48 [0.18] / z(spectroscopic) -0.000052 [0.000001] / cz -15.48 [0.18]    (Opt) A 2018yCat.1345....0G 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): 115.43 [0.27] 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: G0V 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 (9) : U 5.08 [~] C 2002yCat.2237....0D B 5.00 [~] C 2002yCat.2237....0D V 4.40 [0.05] C 2009ApJ...694.1085V R 3.90 [~] C 2002yCat.2237....0D I 3.59 [~] C 2002yCat.2237....0D G 4.1789 [0.0045] C 2018yCat.1345....0G J 3.43 [0.29] D 2003yCat.2246....0C H 3.190 [0.216] D 2003yCat.2246....0C K 2.99 [0.07] C 2009ApJ...694.1085V	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!).

V* chi01 Ori	GCRV 3663	NLTT 15782	TD1 5547
* chi01 Ori	GEN# +1.00039587	PLX 1354	TYC 1320-2118-1
* 54 Ori	GJ 222	PLX 1354.00	UBV M 11584
** KNG 1	GSC 01320-02118	PPM 95062	UBV 6000
AG+20 592	HD 39587	2RE J055423+201637	USNO-B1.0 1102-00091548
ASCC 755242	HIC 27913	2RE J0554+201	USNO 815
BD+20 1162	HIP 27913	RE J0554+201	uvby98 100039587
CCDM J05544+2017AB	HR 2047	RE J055423+201609	WDS J05544+2017AB
2E 1584	IRAS 05514+2016	ROT 942	WEB 5465
2E 0551.4+2016	IRC +20126	1RXS J055423.4+201630	YZ 20 2042
2EUVE J0554+20.2	JP11 1278	SAO 77705	Zkh 78
EUVE J0554+20.2	LSPM J0554+2016	SBC9 1535	Zkh 79
GAT 1261	LTT 11743	SKY# 9763	Gaia DR2 3399063235753901952
GC 7419	2MASS J05542300+2016344	SPOCS 288

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References (771 between 1850 and 2019) (Total 771) 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 : Chi1 Ori

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