coord 16 56 01.69 65 08 05.3 (ICRS, J2000, 2000.0), radius: 0.5 arcmin

Query : coord 16 56 01.69 65 08 05.3 (ICRS, J2000, 2000.0), radius: 0.5 arcmin
CLEAR

Basic data :
* h Dra -- Spectroscopic Binary
Distance to the center arcsec: 0.01
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: 		* (*,AG,...), X (RBS,RE,...), PM* (2018yCat,LSPM,...), UV (2EUVE,EUVE,...), SB* (2013AJ,SBC7,...), ** (**,WDS), V* (CSV,NSV), NIR (2MASS), MIR (WISE), IR (IRAS)
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 56 01.6911695305 +65 08 05.296785878 (Optical) [ 0.4681 0.4798 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 55 44.8101219496 +65 12 39.506237894 [ 0.4681 0.4798 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) : 		095.6782708567937 +36.4626685014075 [ 0.4681 0.4798 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 : 		237.185 49.077 [0.581 0.584 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) -22.25 [0.35] / z(spectroscopic) -0.000074 [0.000001] / cz -22.25 [0.35]
   (Opt) A 2020ApJS..248...19T
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): 		65.2904 [0.5470] 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: 		F8V C 2009ApJS..180..117A
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 5.36 [0.01] D 2000A&A...355L..27H
V 4.88 [0.01] D 2000A&A...355L..27H
R 4.6 [~] E 2003AJ....125..984M
G 4.750818 [0.002828] C 2022yCat.1355....0G
J 4.020 [0.312] D 2003yCat.2246....0C
H 3.830 [0.228] D 2003yCat.2246....0C
K 3.736 [0.292] D 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 Simbad points in this preview
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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!). sed-help-icon

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (56) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

* h Dra HD 153597 PPM 20129 TIC 289622310
* 19 Dra HIC 82860 RBS 1612 TYC 4197-2429-1
** D 30C HIP 82860 2RE J1656+650 UBV 14369
AG+65 793 HR 6315 2RE J165603+650752 UBV M 21845
ASCC 87371 IRAS 16557+6512 RE J1656+650 UCAC4 776-033904
BD+65 1157 JP11 2805 RE J165606+650712 USNO-B1.0 1551-00184787
CSV 101623 LSPM J1656+6508 ROT 2399 uvby98 100153597
2EUVE J1656+65.1 LTT 15013 RX J1656.0+6508 WDS J16564+6502C
EUVE J1655+65.1 2MASS J16560170+6508054 1RXS J165601.2+650807 WEB 14005
EUVE J1656+65.1 N30 3793 SAO 17281 WISE J165602.00+650806.1
GC 22871 NLTT 43914 SBC7 603 [FS2003] 0856
GCRV 9780 NSV 8078 SBC9 938 [ZEH2003] RX J1656.0+6508 1
GEN# +1.00153597 PLX 3860 SKY# 30513 Gaia DR2 1635375460141804800
GJ 648 PLX 3860.00 TD1 19799 Gaia DR3 1635375460142367104

References (209 between 1850 and 2024) (Total 209)
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
                Reference summaries :

                from: to:

                 or select by : (not exhaustive, explanation here)

Collections of Measurements


velocities : 13    V* : 1    distance : 2    ROT : 3    Fe_H : 15    PLX : 5    PM : 8    MK : 11   

   

Observing logs


herschel : 2    ISO : 1    IUE : 3   

   

External archives :

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

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

Link by name to the catalogue in VizieR :

AG+65 793 BD+65 1157 EUVE J1655+65.1 EUVE J1656+65.1 GJ 648
HD 153597 HIC 82860 HIP 82860 HR 6315 IRAS 16557+6512
LSPM J1656+6508 2MASS J16560170+6508054 NLTT 43914 NSV 8078 PLX 3860
PPM 20129 2RE J1656+650 2RE J165603+650752 1RXS J165601.2+650807 SAO 17281
TD1 19799 TYC 4197-2429-1 UCAC4 776-033904 USNO-B1.0 1551-00184787 uvby98 100153597
WDS J16564+6502C WISE J165602.00+650806.1 Gaia DR2 1635375460141804800 Gaia DR3 1635375460142367104

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Please, have a look at Best practices. The list of all annotations to SIMBAD objects can be found here .

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