V* CR Dra

Basic data :
BD+55 1823 -- Spectroscopic Binary 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: * (2014ApJ,BD,...), PM* (2013MNRAS,G,...), X (2009ApJ,2E,...), UV (2EUVE,EUVE,...), SB* (2010ApJ), ** (**,WDS), Er* (2017ARep,[GKL99]), V* (CSV,V*), IR (2MASS,WISEA) 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) : 16 17 05.3518858129 +55 16 08.771396846 (Optical) [ 0.4044 0.4169 90 ] A 2020yCat.1350....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) : 16 15 57.9880028878 +55 23 47.450541964 [ 0.4044 0.4169 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) : 084.9026709409739 +43.7086546612881 [ 0.4044 0.4169 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 : 87.970 -430.963 [0.601 0.542 90] A 2020yCat.1350....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) -28.25 [0.92] / z(spectroscopic) -0.000094 [0.000003] / cz -28.25 [0.92]    B 2010ApJ...716.1522S 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): 49.6303 [0.4245] A 2020yCat.1350....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: M1.5Ve C 1974ApJS...28....1J 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 (12) : U 12.00 [~] C 2002yCat.2237....0D B 10.92 [~] C 2002yCat.2237....0D V 9.46 [~] C 2002yCat.2237....0D R 9.552 [0.02] D 2012yCat.1322....0Z G 9.078422 [0.002872] C 2020yCat.1350....0G I 8.55 [~] D 2008AJ....136..259W J 6.600 [0.023] C 2003yCat.2246....0C H 5.992 [0.036] C 2003yCat.2246....0C K 5.77 [~] C 2002yCat.2237....0D g 10.793 [0.05] D 2012yCat.1322....0Z r 9.406 [0.02] D 2012yCat.1322....0Z i 8.443 [0.05] D 2012yCat.1322....0Z	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!).

BD+55 1823	G 202-36	NLTT 42459	TYC 3880-2179-1
** BLA 3	GJ 9552	PLX 3705	UCAC4 727-050918
ASCC 196894	GJ 616.2	PLX 3705.00	USNO-B1.0 1452-00248004
BPS BS 16084-0105	GSC 03880-02179	PM J16170+5516	V* CR Dra
CSV 102794	GUVV J161705.4+551606.2	RBS 1572	WDS J16171+5516AB
DO 35215	HIC 79796	2RE J1617+551	WEB 13508
2E 3641	HIP 79796	2RE J161702+551602	WISEA J161705.47+551604.3
2E 1615.9+5523	JP11 201	RE J1617+551	[GKL99] 321
1ES 1615+55.3	LFT 1261	RE J161701+551606	[RHG95] 2563
2EUVE J1617+55.2	LHS 5315	RX J1617.0+5516	[ZEH2003] RX J1617.0+5516 1
EUVE J1617+55.2	LSPM J1617+5516	RX J1617.1+5516	Gaia DR3 1429437378934511616
GCRV 9386	LTT 14860	1RXS J161705.1+551615	Gaia DR2 1429437378934511616
GEN# +0.05501823	2MASS J16170537+5516094	StKM 2-1232
G 225-55	MCC 161	TIC 207436278

References (192 between 1850 and 2023) (Total 192) 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

External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : V* CR Dra

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