gliese 268

Query : gliese 268
C.D.S. - SIMBAD4 rel 1.7 - 2018.12.17CET19:29:25

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


Basic data :
V* QY Aur -- Variable of RS CVn type
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:
RS* (), * (Ref,AC,...), PM* (Ref,G,...), SB* (CABS,CCABS,...), V* (V*,CSV), IR (2MASS,WISEA), X (2E,1RXS), *iC (Cl*), Fl* ([GKL99]), UV (EUVE)
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) :
07 10 01.8338715851 +38 31 46.086394837 (Optical) [ 0.0978 0.1076 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) :
07 06 39.0214891571 +38 37 27.805654135 [ 8.7006 7.6008 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) :
178.9542655728929 +19.9049050901540 [ 0.1076 0.0978 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 :
-439.670 -944.785 [0.174 0.152 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) 37.90 [0.5] / z(~) 0.000126 [0.000002] / cz 37.90 [0.50]
   A 2004MNRAS.349.1069K
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):
164.6395 [0.1338] 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:
M4.5Ve B 1989ApJS...71..245K
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) :
B 13.19 [~] E ~
V 11.519 [0.03] D 2012yCat.1322....0Z
R 11.122 [0.03] D 2012yCat.1322....0Z
G 9.9252 [0.0014] C 2018yCat.1345....0G
J 6.731 [0.026] C 2003yCat.2246....0C
H 6.152 [0.047] C 2003yCat.2246....0C
K 5.846 [0.018] C 2003yCat.2246....0C
g 12.267 [0.01] D 2012yCat.1322....0Z
r 10.860 [0.02] D 2012yCat.1322....0Z
i 9.125 [0.04] D 2012yCat.1322....0Z
SIMBAD with radius arcmin
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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!).

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (55) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

V* QY Aur G 87-26 LSPM J0710+3831 StKM 2-447
AC +38 23616 G 107-51 LTT 11987 TYC 2944-1956-1
ASCC 483307 GJ 268 A 2MASS J07100180+3831457 UCAC2 45331145
CABS 67 GJ 268 NLTT 17470 UCAC4 643-041817
CCABS 55 GJ 268 B 8pc 157.24A USNO-B1.0 1285-00159900
Cl* Melotte 25 EGG 27 HAT 175-00149 8pc 157.24B USNO 423
CSI+38-07066 HIC 34603 PLX 1668 WEB 6924
CSV 102544 HIP 34603 PLX 1667.01 WISEA J071001.45+383136.3
2E 1782 JP11 5125 PLX 1668.00 Zkh 99
2E 0706.6+3837 JP11 5126 PM 07066+3838 Zkh 100
EUVE J0710+38.5 JP11 5127 PM J07100+3831 [GKL99] 166
GCRV 4708 JP11 5124 Ross 986 [RHG95] 1138
GEN# +6.10010268 LFT 512 1RXS J071000.6+383211 Gaia DR2 946632924006923776
GEN# +9.80087026 LHS 226 SBC9 434

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References (200 between 1850 and 2019) (Total 200)
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 : 1    velocities : 8    PM : 8    Fe_H : 6    PLX : 5    MK : 8    V* : 1   

   

Observing logs


herschel : 2   

   


External archives :

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

Link by name to the catalogue in VizieR :

V* QY Aur CABS 67 2E 1782 EUVE J0710+38.5 G 87-26
G 107-51 GJ 268 A GJ 268 GJ 268 B HIC 34603
HIP 34603 LHS 226 LSPM J0710+3831 2MASS J07100180+3831457 NLTT 17470
PLX 1668 1RXS J071000.6+383211 TYC 2944-1956-1 UCAC2 45331145 UCAC4 643-041817
USNO-B1.0 1285-00159900 WISEA J071001.45+383136.3 [GKL99] 166 Gaia DR2 946632924006923776

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

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2018.12.17-19:29:25

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