CDS

LQ Hya

Query : LQ Hya
C.D.S. - SIMBAD4 rel 1.5.11 - 2017.08.18CEST20:23:36

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

Basic data :
V* LQ Hya -- 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* (), * (BD,CMC,...), X (1AXG,RE,...), PM* (Ci,G,...), V* (Ref,V*,...), UV (2EUVE,EUVE,...), Fl* ([GKL99]), IR (2MASS)
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) : 		09 32 25.5683 -11 11 04.692 (Optical) [ 0.218 0.183 97 ] A 2016A&A...595A...2G
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) : 		09 32 25.568 -11 11 04.69 [ 0.218 0.183 97 ]
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) : 		09 30 00.57 -10 57 48.0 [ 40.501 30.501 180 ]
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) : 		244.5871 +28.4010 [ 0.218 0.183 97 ]
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 : 		-247.92 33.43 [0.81 0.61 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) 9.20 [0.45] / z(~) 0.000031 [0.000002] / cz 9.20 [0.45]
   A 2007AJ....133.2524W
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): 		54.57 [0.23] A 2016A&A...595A...2G
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: 		K1Vp C 1999MSS...C05....0H
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 (8) :
U 9.316 [~] C 2010MNRAS.403.1949K
B 8.761 [~] C 2010MNRAS.403.1949K
V 7.891 [0.096] C 2012AcA....62...67K
R 7.288 [~] C 2010MNRAS.403.1949K
I 6.815 [0.030] C 2012AcA....62...67K
J 6.075 [0.021] C 2003yCat.2246....0C
H 5.596 [0.036] C 2003yCat.2246....0C
K 5.449 [0.018] 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!).

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (43) :

V* LQ Hya GC 13168 PLX 2273.1 SPOCS 426
ASAS J093225-1110.9 GCRV 60727 PLX 2273.10 SRS 9098
1AXG J093228-1110 GEN# +1.00082558 PPM 221663 TYC 5464-875-1
BD-10 2857 G 161-45 2RE J093224-111056 UBV 9114
Ci 18 1133 GJ 355 2RE J0932-111 UBV M 15509
CMC 155272 HD 82558 RE J093223-111133 1WGA J0932.4-1110
CMC 505376 HIC 46816 RE J0932-111 2XMM J093225.5-111104
2EUVE J0932-11.1 HIP 46816 RX J0932.4-1110 YZC 11 3651
EUVE J0932-11.1 LTT 3510 1RXS J093225.5-111101 [FS2003] 0515
EUVE J0933-11.1 2MASS J09322559-1111048 SAO 155272 [GKL99] 206
Gaia 5739942006889651584 NLTT 22020 SKY# 18456

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References (364 between 1850 and 2017)
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) :


diameter : 1    distance : 1    GEN : 1    herschel : 1    IUE : 24    JP11 : 1    MK : 1    oRV : 2    PLX : 5    PM : 3    pos : 1    posa : 1   
ROT : 4    UBV : 3    V* : 2    velocities : 7    XMM : 2   

   

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : LQ Hya

Link by name to the catalogue in VizieR :

V* LQ Hya BD-10 2857 EUVE J0932-11.1 EUVE J0933-11.1 G 161-45
GJ 355 HD 82558 HIC 46816 HIP 46816 2MASS J09322559-1111048
NLTT 22020 PPM 221663 2RE J093224-111056 2RE J0932-111 1RXS J093225.5-111101
SAO 155272 TYC 5464-875-1 YZC 11 3651 [GKL99] 206

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

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2017.08.18-20:23:36

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