Epsilon Hydri

Object query : Epsilon Hydri C.D.S. - SIMBAD4 rel 1.223 - 2014.11.24CET07:39:04

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


Basic data :
* eps Hyi -- Star
Other object types: * (*,ALS,CPC,CPD,FK5,GC,GCRV,GEN#,GSC,HD,HIC,HIP,HR,JP11,N30,PPM,ROT,SAO,SKY#,TYC,UBV,uvby98) , IR (IRAS,2MASS) , UV (TD1)
ICRS coord. (ep=J2000) : 02 39 35.36121 -68 16 01.0103 ( Optical ) [ 0.88 0.79 89 ] A 2007A&A...474..653V
FK5 coord. (ep=J2000 eq=2000) : 02 39 35.361 -68 16 01.01 ( Optical ) [ 0.88 0.79 89 ] A 2007A&A...474..653V
FK4 coord. (ep=B1950 eq=1950) : 02 38 48.72 -68 28 51.3 ( Optical ) [ 5.08 4.57 90 ] A 2007A&A...474..653V
Gal coord. (ep=J2000) : 288.9564 -45.8157 ( Optical ) [ 0.88 0.79 89 ] A 2007A&A...474..653V
Proper motions mas/yr [error ellipse]: 87.30 0.09 [0.09 0.10 0] A 2007A&A...474..653V
Radial velocity / Redshift / cz : V(km/s) 13.60 [0.9] / z(~) 0.000045 [0.000003] / cz 13.60 [0.90]   (~) A 2006AstL...32..759G
Parallaxes mas: 21.48 [0.09] A 2007A&A...474..653V
Spectral type: B9III C 2004ARA&A..42..685Z
Fluxes (6) :
U 3.91 [~] D 2003AJ....125.2531R
B 4.060 [~] C ~
V 4.106 [~] C ~
J 4.443 [0.296] D 2003yCat.2246....0C
H 4.433 [0.270] D 2003yCat.2246....0C
K 4.254 [0.036] C 2003yCat.2246....0C
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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!).

Identifiers (26) :

* eps Hyi GEN# +1.00016978 JP11 691 TD1 1619
ALS 15799 GSC 09144-01686 2MASS J02393538-6816008 TYC 9144-1686-1
CPC 21.1 381 HD 16978 N30 541 UBV 2709
CPD-68 161 HIC 12394 PPM 353052 UBV M 9121
FK5 95 HIP 12394 ROT 370 uvby98 100016978
GC 3240 HR 806 SAO 248621
GCRV 1517 IRAS 02388-6829 SKY# 3967

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References (86 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).

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Measurements (17 types) :


distance : 1    Hbet1 : 4    IRAS : 1    ISO : 1    IUE : 4    JP11 : 1    MK : 6    oRV : 3    PLX : 2    PM : 3    pos : 3    posa : 1   
ROT : 3    SAO : 1    UBV : 5    uvby1 : 4    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)

ALS 15799 CPD-68 161 FK5 95 GSC 09144-01686 HD 16978
HIC 12394 HIP 12394 HR 806 IRAS 02388-6829 2MASS J02393538-6816008
PPM 353052 SAO 248621 TYC 9144-1686-1

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 .

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2014.11.24-07:39:04

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