AY Cet

Query : AY Cet C.D.S. - SIMBAD4 rel 1.225 - 2015.08.30CEST09:52:26

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


Basic data :
* 39 Cet -- 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:
* (*,BD,CMC,CSI,GC,GCRV​,GEN#,GSC,HD,HIC​,HIP,HR,PLX,PPM​,SAO,SKY#,TYC,UBV,uvby98,YZ), X (2E,1ES,RBS,RE,RX,1RXS), UV (2EUVE,EUVE,2RE,TD1), ** (**,CCDM,IDS,WDS), SB* (CABS,CCABS,SBC9), IR (IRAS,2MASS), WD* (WD), RS* (Ref), V* (V*), Rad (FIRST)
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 epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • 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) :
01 16 36.28863 -02 30 01.3217 ( Optical ) [ 2.46 1.67 90 ] A 2007A&A...474..653V
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 epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • 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
FK5 coord. (ep=J2000 eq=2000) :
01 16 36.289 -02 30 01.32 [ 2.46 1.67 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 epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • 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) :
01 14 03.85 -02 45 46.8 [ 14.10 9.81 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 epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • 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) :
137.7459 -64.6458 [ 2.46 1.67 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 :
-99.43 -63.55 [0.28 0.19 0] A 2007A&A...474..653V
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) -30.11 [0.08] / z(~) -0.000100 [0.000000] / cz -30.11 [0.08]   (~) 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:
12.41 [0.27] A 2007A&A...474..653V
Spectral type is made of 3 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
  • bibcode : bibcode of the spectral type reference
Spectral type:
G5III+DA2.8 C 2013MNRAS.435.2077H
Syntax of fluxes (or magnitudes) is : "filter-name flux-value [error] quality MultVarFlags bibcode"
  • filter-name : U, B, V, R, I, J, H, K, u, g, r, i, z
  • 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 (5) :
B 6.298 [~] C ~
V 5.432 [~] C ~
J 4.067 [0.262] D 2003yCat.2246....0C
H 3.392 [0.230] D 2003yCat.2246....0C
K 3.384 [0.270] D 2003yCat.2246....0C
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 (49) :

V* AY Cet 2EUVE J0116-02.5 2MASS J01163630-0230012 SBC9 68
* 39 Cet EUVE J0116-02.5 PLX 260.1 SKY# 1932
** BU 1358A FIRST J011636.2-023000 PLX 260.10 TD1 734
BD-03 172 GC 1534 PPM 183240 TYC 4682-108-1
CABS 10 GCRV 734 RBS 173 UBV M 8071
CCABS 11 GEN# +1.00007672 2RE J0116-022 UBV 1357
CCDM J01167-0230A GSC 04682-00108 2RE J011635-022939 uvby98 100007672 V
CMC 129204 HD 7672 RE J011636-022946 WDS J01166-0230A
CMC 200882 HIC 5951 RE J0116-022 WD 0114-027
CSI-03 172 1 HIP 5951 RX J0116.5-0230 YZ 92 287
2E 0114.0-0245 HR 373 RX J0116.6-0230
2E 339 IDS 01115-0301 A 1RXS J011636.5-023000
1ES 0114-02.7 IRAS 01140-0245 SAO 129204

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References (225 between 1850 and 2015)
Simbad bibliographic survey began in 1950 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

from: to:

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Measurements (16 types) :


Einstein : 1    Fe_H : 6    Hbet1 : 3    IRAS : 1    IUE : 19    oRV : 2    PLX : 5    PM : 2    pos : 1    posa : 1    ROT : 1    SAO : 1   
TD1 : 1    UBV : 3    uvby1 : 9    velocities : 4   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database

Catalogue information from VizieR :

Generic search by coordinates (radius: 5 arcsec)

V* AY Cet BD-03 172 CABS 10 CCDM J01167-0230A EUVE J0116-02.5
FIRST J011636.2-023000 GSC 04682-00108 HD 7672 HIC 5951 HIP 5951
HR 373 IRAS 01140-0245 2MASS J01163630-0230012 PPM 183240 2RE J0116-022
2RE J011635-022939 1RXS J011636.5-023000 SAO 129204 TYC 4682-108-1 WDS J01166-0230A
WD 0114-027

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

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2015.08.30-09:52:26

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