BD+36 2322

Basic data :
BD+36 2322 -- BY Dra Variable 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: * (1962AJ,BD,...), X (2009ApJ,1E,...), PM* (2013MNRAS,G,...), ** (**,CCDM,...), UV (2EUVE,EUVE,...), V* (1SWASP,V*), BY* (2017ARep), Er* ([GKL99]), NIR (2MASS), MIR (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) : 12 57 40.2569835641 +35 13 29.629213095 (Optical) [ 0.2229 0.1101 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) : 12 55 19.2011513978 +35 29 46.747853568 [ 0.2229 0.1101 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) : 113.9775467999367 +81.7947054515023 [ 0.2229 0.1101 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 : -277.648 -107.826 [0.205 0.149 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) -9.10 [0.0076] / z(spectroscopic) -0.000030 [0.000000] / cz -9.10 [0.01]    (Opt) A 2018MNRAS.475.1960F 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): 56.1107 [0.2844] 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: M0V+M4/5V C 1986AJ.....92..139S 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 (7) : B 12.02 [0.17] D 2000A&A...355L..27H V 10.52 [0.05] D 2000A&A...355L..27H R 10.137 [0.02] D 2012yCat.1322....0Z G 9.772203 [0.002821] C 2020yCat.1350....0G J 7.401 [0.019] C 2003yCat.2246....0C H 6.734 [0.017] C 2003yCat.2246....0C K 6.552 [0.016] C 2003yCat.2246....0C	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!).
Some important notes on this object about identifications and objects associations. notes: sometimes confused with RAFGL 490

BD+36 2322A	GCRV 63729	2RE J1257+351	V* BF CVn
** LDS 5764A	GEN# +0.03602322A	2RE J125739+351316	WDS J12576+3514A
** LEP 60A	G 164-32	RE J125740+351235	WDS J12576+3514Aa,Ab
** BWL 35Aa,Ab	G 123-75	RE J1257+351	WEB 11211
ASCC 494777	GJ 490 A	2RXP J125740.4+351324	WISEA J125740.01+351328.5
BD+36 2322	HIC 63253	RX J1257.6+3513	[FS2003] 0656
BPS BS 16466-0080	HIP 63253	RX J1257.6+3514	[GKL99] 273
CCDM J12577+3514A	LSPM J1257+3513E	1RXS J125740.2+351334	[GKL99] 272
1E 1255.3+3529	2MASS J12574030+3513306	StKM 2-892	[RHG95] 2035
2E 2920	MCC 298	1SWASP J125740.26+351330.1	[SLS2012] PYC J12576+3513S
2E 1255.3+3529	NGP 36 157	TIC 165916576	[TSA98] J125740.45+351345.03
1ES 1255+35.4	NLTT 32441	TYC 2534-825-1	[ZEH2003] RX J1257.6+3513 2
2EUVE J1257+35.2	PM J12576+3513E	UCAC4 627-047804	Gaia DR2 1515952176488267008
EUVE J1257+35.2	RBS 1191	USNO-B1.0 1252-00202776	Gaia DR3 1515952176488267008

References (230 between 1850 and 2024) (Total 230) 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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External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : BD+36 2322

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