CDS

HD 22049

Query : HD 22049
C.D.S. - SIMBAD4 rel 1.7 - 2018.12.10CET04:27:27

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

Basic data :
* eps Eri -- Variable of BY Dra 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: 		BY* (), * (Ref,*,...), X (Ref,1AXG,...), PM* (Ci,LFT,...), IR (IRAS,IRC,...), UV (2EUVE,EUVE,...), ** (**,CCDM,...), Ro* (Ref), V* (V*)
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) : 		03 32 55.8449634 -09 27 29.731165 (Optical) [ 0.14 0.11 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 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) : 		03 30 34.3591112 -09 37 34.721941 [ 10.50 10.00 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 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) : 		195.8446349088 -48.0512996091 [ 0.14 0.11 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 : 		-975.17 19.49 [0.21 0.20 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) 16.43 [0.09] / z(~) 0.000055 [0.000000] / cz 16.43 [0.09]
   A 2002ApJS..141..503N
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): 		310.94 [0.16] A 2007A&A...474..653V
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: 		K2V 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 (9) :
U 5.19 [~] C 2002yCat.2237....0D
B 4.61 [~] C 2002yCat.2237....0D
V 3.73 [~] C 2002yCat.2237....0D
R 3.00 [~] C 2002yCat.2237....0D
I 2.54 [~] C 2002yCat.2237....0D
G 3.3691 [0.0040] C 2018yCat.1345....0G
J 2.23 [~] C 2002yCat.2237....0D
H 1.75 [~] C 2002yCat.2237....0D
K 1.67 [~] C 2002yCat.2237....0D
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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!).
Some important notes on this object about identifications and objects associations.
notes:

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

The count displayed here is the number of children objects.
The list obtained by clicking the button may be larger, as some children may be linked with different references or probability.

%This number is the number of distinct objets linked, by using this button, you will obtain all links (may be more than one) from that object to his children

: 2 		Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (67) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

V* eps Eri GEN# +1.00022049 NLTT 11207 SAO 130564
* eps Eri GJ 144.0 8pc 310.75 SKY# 5366
* 18 Eri GJ 144 PLX 742 SPOCS 171
** BLA 2 HD 22049 PLX 742.00 TD1 2301
** MBA 1A HIC 16537 PMC 90-93 91 TYC 5296-1533-1
1AXG J033256-0926 HIP 16537 PM 03306-0938 UBV 3410
BD-09 697 HR 1084 PPM 185905 UBV M 9580
CCDM J03329-0927A IRAS 03305-0937 RAFGL 497 uvby98 100022049
Ci 20 241 IRC -10048 RBS 439 WDS J03329-0927A
1E 0330.5-0937 JP11 792 2RE J033253-092646 WDS J03329-0927Aa,Ab
2E 788 LFT 291 2RE J0332-092 WEB 3160
2E 0330.5-0937 LHS 1557 RE J0332-092 YZ 0 4513
2EUVE J0332-09.4 LPM 158 RE J033255-092717 YZ 99 836
EUVE J0332-09.4 LTT 1675 ROT 531 Zkh 51
FK5 127 2MASS J03325591-0927298 RX J0332.9-0927 [FS2003] 0134
GC 4244 N30 726 1RXS J033256.4-092727 Gaia DR2 5164707970261630080
GCRV 1962 NAME Ran SACS 76

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References (1602 between 1850 and 2019) (Total 1602)
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


diameter : 1    ROT : 6    V* : 1    distance : 1    velocities : 19    Fe_H : 71    PM : 7    PLX : 4    MK : 36   

   

Observing logs


ISO : 11    XMM : 1    herschel : 7    IUE : 172   

   

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : HD 22049

Link by name to the catalogue in VizieR :

V* eps Eri BD-09 697 CCDM J03329-0927A 2E 788 EUVE J0332-09.4
FK5 127 GJ 144.0 GJ 144 HD 22049 HIC 16537
HIP 16537 HR 1084 IRAS 03305-0937 IRC -10048 LHS 1557
2MASS J03325591-0927298 NLTT 11207 PLX 742 PPM 185905 RAFGL 497
2RE J033253-092646 2RE J0332-092 1RXS J033256.4-092727 SAO 130564 TD1 2301
TYC 5296-1533-1 uvby98 100022049 WDS J03329-0927A WDS J03329-0927Aa,Ab Gaia DR2 5164707970261630080

Search by coordinates in Vizier (radius: 20 arcsec)

Annotations :
Annotations allow a user to add a note or report an error concerning the astronomical object and its data. It requires registration to post a note. See description .
The list of all annotations to SIMBAD objects can be found here .

display existing annotations (3)

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2018.12.10-04:27:27

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