66 Ceti

Query : 66 Ceti

Basic data :
* 66 Cet -- Spectroscopic Binary
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,...), ** (**,ADS,...), PM* (2018yCat,LTT,...), SB* (2004A&A,SBC9), MIR (AKARI,WISE), X (1RXS), UV (TD1), NIR (2MASS), 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) : 		02 12 47.5413483242 -02 23 37.066624087 (Optical) [ 0.1022 0.0826 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) : 		02 10 14.1220261531 -02 37 35.429784344 [ 0.1022 0.0826 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) : 		164.6135693330429 -58.5194561956973 [ 0.1022 0.0826 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 : 		377.146 -68.623 [0.134 0.100 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) -5.95 [0.07] / z(~) -0.000020 [0.000000] / cz -5.95 [0.07]
   A 2004A&A...424..727P
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): 		26.5381 [0.1274] 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 1988ApJ...331..922A
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 (6) :
B 6.21 [0.01] D 2002A&A...384..180F
V 5.66 [0.01] D 2002A&A...384..180F
G 5.543657 [0.002927] C 2020yCat.1350....0G
J 5.049 [0.232] D 2003yCat.2246....0C
H 4.565 [0.284] D 2003yCat.2246....0C
K 4.331 [0.031] E 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 (46) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

* 66 Cet GJ 9075 A PMSC 02077-0251Aab USNO-B1.0 0876-00036986
** STF 231A GJ 87.1 A PMSC 02077-0251A uvby98 100013612 A
** TOK 39 GSC 04690-01110 PPM 184347 WDS J02128-0224Aa,Ab
ADS 1703 A HD 13612 PPMX J021247.5-022337 WDS J02128-0224A
AKARI-IRC-V1 J0212476-022338 HIC 10305 1RXS J021249.1-022341 WEB 2150
BD-03 336 HIP 10305 SAO 129752 WISE J021247.78-022337.6
CCDM J02128-0223A HR 650 SBC9 2547 YPAC 290
CSI-03 336 1 IRAS 02102-0237 SKY# 3248 YZ 92 527
GC 2652 LTT 1139 TD1 1286 Gaia DR3 2494066897240089728
GCRV 1210 2MASS J02124751-0223369 TIC 332800044 Gaia DR2 2494066897240089728
GEN# +1.00013612A NLTT 7323 TYC 4690-1110-1
GEN# +1.10013612 PLX 456 UBV 2224

References (135 between 1850 and 2024) (Total 135)
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 : 6    distance : 2    ROT : 3    Fe_H : 8    PLX : 4    PM : 4    MK : 3   

   

Warning : measurements from IRAS, IRC, SAO, CL.g (ACO), GJ have been removed
(they are still available using the icon Vizier near the identifier of the catalogue, or at the bottom of the page in the section "External links" to get the full data)

velocities (6) 

 |typ|    Value    R   m.e.  |A (Nmes)|na,Q,dom ,   res    D| Obs.date | Rem.  |Or|     Reference     |
 ------------------------------------------------------------------------------------------------------
 |v  |   -3.2                |  (   5)|s , ,    ,           |          |       |  |1995A&AS..114..269D|
 |v  |   -3.2         2.0    |E (   5)|s , ,    ,           |          |       |  |1953GCRV..C......0W|
 |V  |   -5.95        0.07   |A (    )|s , ,O   ,           |          |       |  |2004A&A...424..727P|
 |v  |   -6.6                |C (  32)|  , ,    ,           |          |       |  |2004A&A...418..989N|
 |v  |   -5.0                |  (   3)|  , ,    ,           |          |       |  |1929ApJ....70..207A|
 |v  |   -5.1                |  (   3)|  , ,    ,           |          |       |  |1923ApJ....57..149A|

distance (2) 

 | distance Q unit|  err-        err+     | method |     reference     |
 -----------------------------------------------------------------------
 |   37.6817  pc  |  -0.1808     +0.1808  |paral   |2020yCat.1350....0G|
 |   38.0282  pc  |  -0.4600     +0.4600  |paral   |2018yCat.1345....0G|

rot (3) 

 |  Vsini  [  err   ] (mes)|Q|     reference     |
 -------------------------------------------------
 |   6.8   [        ] (   )|D|2017AJ....153...21L|
 |   6.8   [        ] (   )| |2017AJ....153...21L|
 |   5.9   [        ] (   )|D|2009A&A...493.1099S|

fe_h (8) 

 | Teff  log.g | Fe_H  c|CompStar |CatNo|     Reference     |
 ------------------------------------------------------------
 |  6102 3.83  | 0.03   |SUN      |     |2017AJ....153...21L|
 |  6141       |        |         |     |2011A&A...530A.138C|
 |  6097 4.15  |-0.11   |SUN      |     |1990ApJ...354..310B|
 |  5965       |        |         |     |2011A&A...530A.138C|
 |  6032 4.04  |-0.06   |SUN      |     |2016A&A...587A...2B|
 |  6047 4.01  |-0.05   |SUN      |     |2016A&A...587A...2B|
 |  6097 4.15  |-0.11   |SUN      |F    |1990ApJ...354..310B|
 |  6097 4.15  |-0.11   |SUN      |F565 |1990ApJ...354..310B|

plx (4) 

 |    plx    :    m.e     R |     reference     |
 ------------------------------------------------
 |  26.5381  :   0.1274     |2020yCat.1350....0G|
 |  26.2963  :   0.3181     |2018yCat.1345....0G|
 |  21.71    :   1.67       |1997A&A...323L..49P|
 |  25.19    :   1.41       |2007A&A...474..653V|

pm (4) 

 |  pm-ra  [   m.e   ]|  pm-de  [   m.e   ]|syst|     reference     |
 --------------------------------------------------------------------
 | +377.146[    0.134]|  -68.623[    0.100]|ICRS|2020yCat.1350....0G|
 | +377.514[    0.478]|  -68.631[    0.408]|ICRS|2018yCat.1345....0G|
 | +378.17 [    1.38 ]|  -70.63 [    1.02 ]|ICRS|2007A&A...474..653V|
 | +374.41 [    1.76 ]|  -73.08 [    1.33 ]|ICRS|1997A&A...323L..49P|

mk (3) 

 |ds/mss|           Spectral type            |     reference     |
 -----------------------------------------------------------------
 |  /   |G0                                  |1993yCat.3135....0C|
 |  /   |F8                                  |1985ApJS...59..197B|
 |  /   |G0/2V                               |1999MSS...C05....0H|

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : 66 Ceti

Link by name to the catalogue in VizieR :

AKARI-IRC-V1 J0212476-022338 BD-03 336 CCDM J02128-0223A GJ 9075 A GJ 87.1 A
GSC 04690-01110 HD 13612 HIC 10305 HIP 10305 HR 650
IRAS 02102-0237 2MASS J02124751-0223369 NLTT 7323 PLX 456 PPM 184347
1RXS J021249.1-022341 SAO 129752 TD1 1286 TYC 4690-1110-1 USNO-B1.0 0876-00036986
uvby98 100013612 A WDS J02128-0224Aa,Ab WDS J02128-0224A WISE J021247.78-022337.6 Gaia DR3 2494066897240089728
Gaia DR2 2494066897240089728

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