HR 6806

Query : HR 6806
C.D.S. - SIMBAD4 rel 1.7 - 2018.11.15CET16:51:21

Available data : Basic data  •  Identifiers  •  Plot & images  •  Bibliography  •  Measurements  •  External archives  •  Notes  •  Annotations


Basic data :
HD 166620 -- High proper-motion 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:
* (Ref,AG,...), PM* (Ref,LHS,...), IR (AKARI,IRAS,...), Ro* (Ref), V* (NSV)
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) :
18 09 37.4162810870 +38 27 27.995921559 (Optical) [ 0.0153 0.0199 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) :
18 07 58.0061461922 +38 27 12.842079495 [ 2.0001 1.6001 0 ]
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) :
065.3335430686215 +24.2074652074116 [ 0.0199 0.0153 0 ]
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 :
-316.520 -468.214 [0.032 0.040 90] A 2018yCat.1345....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) -19.473 [0.0281] / z(~) -0.000065 [0.000000] / cz -19.47 [0.03]
   (Opt) A 2013A&A...552A..64S
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):
90.1264 [0.0200] 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:
K2V C 2003AJ....126.2048G
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 7.86 [~] C 2002yCat.2237....0D
B 7.27 [~] C 2002yCat.2237....0D
V 6.40 [~] C 2002yCat.2237....0D
R 5.63 [~] C 2002yCat.2237....0D
I 5.14 [~] C 2002yCat.2237....0D
G 6.1126 [0.0003] C 2018yCat.1345....0G
J 4.78 [~] C 2002yCat.2237....0D
H 4.27 [~] C 2002yCat.2237....0D
K 4.232 [0.021] C 2003yCat.2246....0C
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The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (39) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

LHS 3363 G 205-5 LSPM J1809+3827 SPOCS 784
AG+38 1655 GJ 706 LTT 15374 TYC 3102-1975-1
AKARI-IRC-V1 J1809372+382725 HD 166620 2MASS J18093745+3827288 UBV 15461
ASCC 505680 HIC 88972 NLTT 46046 UBV M 22712
BD+38 3095 HIP 88972 NSV 10316 USNO-B1.0 1284-00305405
Ci 20 1078 HR 6806 PLX 4171 uvby98 100166620
Ci 18 2403 IRAS 18079+3826 PLX 4171.00 WEB 15090
GC 24778 JP11 2944 PPM 81007 WISEA J180937.13+382723.0
GCRV 10624 LAL 33439 SAO 66700 Gaia DR2 4610177733290768896
GEN# +1.00166620 LFT 1396 SKY# 33024

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References (370 between 1850 and 2019) (Total 370)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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                Reference summaries :

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Collections of Measurements


distance : 1    velocities : 13    ROT : 3    PM : 11    Fe_H : 42    PLX : 4    MK : 20    V* : 2   

   

Observing logs


ISO : 9    herschel : 4    IUE : 4   

   


External archives :

Data at NED - NASA/IPAC Extragalactic Database : HR 6806

Link by name to the catalogue in VizieR :

LHS 3363 AG+38 1655 AKARI-IRC-V1 J1809372+382725 BD+38 3095 G 205-5
GJ 706 HD 166620 HIC 88972 HIP 88972 HR 6806
IRAS 18079+3826 LSPM J1809+3827 2MASS J18093745+3827288 NLTT 46046 NSV 10316
PLX 4171 PPM 81007 SAO 66700 TYC 3102-1975-1 USNO-B1.0 1284-00305405
uvby98 100166620 WISEA J180937.13+382723.0 Gaia DR2 4610177733290768896

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The list of all annotations to SIMBAD objects can be found here .

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2018.11.15-16:51:21

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