coord 00 57 12.400 +23 25 03.00 (ICRS, J2000, 2000.0), radius: 2 arcmin

Query : coord 00 57 12.400 +23 25 03.00 (ICRS, J2000, 2000.0), radius: 2 arcmin
CLEAR

Basic data :
* eta And -- Spectroscopic Binary
Distance to the center arcsec: 0.54
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:
* (*,AG,...), X (2E,1ES,...), SB* (2008AJ,CCABS,...), ** (CCDM,IDS,...), IR (IRAS,IRC), PM* (2018yCat), UV (TD1), NIR (2MASS), MIR (WISE)
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) :
00 57 12.4002792266 +23 25 03.540083245 (Optical) [ 0.1695 0.1327 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) :
00 54 31.8590242208 +23 08 53.287787264 [ 0.1695 0.1327 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) :
124.6454787797833 -39.4349033748184 [ 0.1695 0.1327 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 :
-43.008 -45.254 [0.290 0.189 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) -10.30 [0.29] / z(~) -0.000034 [0.000001] / cz -10.30 [0.29]
   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):
12.5624 [0.2525] 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:
G8-III C 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 (9) :
U 6.05 [~] C 2002yCat.2237....0D
B 5.36 [~] C 2002yCat.2237....0D
V 4.42 [~] C 2002yCat.2237....0D
R 3.69 [~] C 2002yCat.2237....0D
G 4.152097 [0.003578] C 2022yCat.1355....0G
I 3.21 [~] C 2002yCat.2237....0D
J 2.837 [0.282] D 2003yCat.2246....0C
H 2.399 [0.232] D 2003yCat.2246....0C
K 2.254 [0.284] D 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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sedIcon
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!).
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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 (48) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

* eta And GCRV 538 PLX 191 TIC 436552680
* 38 And GEN# +1.00005516 PLX 191.00 TYC 1740-2109-1
AG+23 89 GSC 01740-02109 PPM 90327 UBV M 7793
BD+22 153 HD 5516 RBS 137 UBV 864
CCABS 9 HIC 4463 ROT 3490 WDS J00572+2325Aa,Ab
CCDM J00572+2325A HIP 4463 RX J0057.2+2324 WEB 805
CSI+22 153 1 HR 271 1RXS J005712.7+232458 WISE J005712.35+232503.4
2E 232 IDS 00519+2253 A SAO 74388 YPAC 223
2E 0054.5+2309 IRAS 00545+2308 SBC7 37 YZ 23 292
1ES 0054+23.1 IRC +20015 SBC9 50 [ZEH2003] RX J0057.2+2324 1
FK5 2060 JP11 443 SKY# 1454 Gaia DR2 2803727059958899584
GC 1136 2MASS J00571242+2325037 TD1 535 Gaia DR3 2803727064255015424

References (189 between 1850 and 2024) (Total 189)
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


velocities : 6    distance : 2    ROT : 2    Fe_H : 6    PLX : 5    PM : 4    MK : 11   

   

Observing logs


IUE : 4   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : * eta And

Link by name to the catalogue in VizieR :

AG+23 89 BD+22 153 CCDM J00572+2325A 2E 232 FK5 2060
GSC 01740-02109 HD 5516 HIC 4463 HIP 4463 HR 271
IRAS 00545+2308 IRC +20015 2MASS J00571242+2325037 PLX 191 PPM 90327
1RXS J005712.7+232458 SAO 74388 TD1 535 TYC 1740-2109-1 WDS J00572+2325Aa,Ab
WISE J005712.35+232503.4 Gaia DR2 2803727059958899584 Gaia DR3 2803727064255015424

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