GJ 654

Query : GJ 654
C.D.S. - SIMBAD4 rel 1.7 - 2018.12.17CET02:56:10

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


Basic data :
HD 154363B -- 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:
* (BD,GCRV,...), PM* (Ref,LHS,...), ** (CCDM,IDS,...), IR (2MASS,WISEA), 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) :
17 05 13.7796928469 -05 05 39.248992104 (Optical) [ 0.0433 0.0282 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) :
17 02 37.3457438933 -05 00 39.985263014 [ 4.9002 3.2501 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) :
015.3664012200221 +20.8409023894775 [ 0.0433 0.0282 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 :
-917.276 -1131.947 [0.098 0.065 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) 34.44 [0.44] / z(spectroscopic) 0.000115 [0.000001] / cz 34.44 [0.44]
   (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):
95.6369 [0.0590] 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:
M1.5V C 2015A&A...577A.128A
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 (10) :
U 12.571 [0.0028] B 2009AJ....137.4186L
B 11.486 [0.003] B 1992AJ....104..340L
V 10.071 [0.003] B 1992AJ....104..340L
R 9.101 [0.003] B 1992AJ....104..340L
I 7.958 [0.003] B 1992AJ....104..340L
G 9.1676 [0.0006] C 2018yCat.1345....0G
J 6.780 [0.029] C 2003yCat.2246....0C
H 6.193 [0.021] C 2003yCat.2246....0C
K 5.975 [0.026] C 2003yCat.2246....0C
i 8.411 [0.01] D 2012yCat.1322....0Z
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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!).

Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 1 : 1 Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (44) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

LHS 432 HD 154363B NSV 8176 UCAC2 30040735
BD-04 4226 HIC 83599 PLX 3880 UCAC4 425-069319
CCDM J17051-0504B HIP 83599 PLX 3880.00 UGP 425
Ci 20 1018 IDS 16597-0456 B PM 17026-0502 WDS J17050-0504B
GCRV 9854 JP11 250 PM J17052-0505 WEB 14140
GEN# +1.00154363B LFT 1317 StKM 2-1292 WISEA J170513.16-050550.7
GEN# +9.80019014 LPM 626 TYC 5072-1232-1 Wolf 636
GEN# -0.00404226 LTT 6824 UBV 14389 Zkh 240
G 19-14 2MASS J17051383-0505385 UBV 14407 [RHG95] 2692
GJ 654 NC 42 UBV M 5159 Gaia DR2 4364480521350598144
GSC 05072-00347 NLTT 44131 UBV 14410 Gaia DR1 4364855828476735232

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References (126 between 1850 and 2019) (Total 126)
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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                 or select by : (not exhaustive, explanation here)


Collections of Measurements


distance : 2    diameter : 1    velocities : 8    ROT : 1    PM : 8    Fe_H : 2    PLX : 5    MK : 5   

   


External archives :

Link by name to the catalogue in VizieR :

LHS 432 BD-04 4226 CCDM J17051-0504B G 19-14 GJ 654
GSC 05072-00347 HD 154363B HIC 83599 HIP 83599 2MASS J17051383-0505385
NLTT 44131 NSV 8176 PLX 3880 TYC 5072-1232-1 UCAC2 30040735
UCAC4 425-069319 WDS J17050-0504B WISEA J170513.16-050550.7 Gaia DR2 4364480521350598144 Gaia DR1 4364855828476735232

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Annotations :
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2018.12.17-02:56:10

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