AS Dra

Query : AS Dra
C.D.S. - SIMBAD4 rel 1.7 - 2018.11.17CET15:16:41

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


Basic data :
V* AS Dra -- Variable of RS CVn 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:
RS* (), * (AG,AGKR,...), PM* (Ref,Ci,...), X (2E,RBS,...), SB* (CABS,CCABS,...), IR (2MASS,WISEA), 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) :
12 22 11.7360497539 +73 14 54.542379493 (Optical) [ 0.0408 0.0303 90 ] A 2018yCat.1345....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] : 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) :
12 20 03.9095299298 +73 31 22.982184043 [ 4.1502 3.0502 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] : 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) :
125.8404295113533 +43.7142431824963 [ 0.0408 0.0303 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 :
-455.486 184.174 [0.083 0.061 90] A 2018yCat.1345....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) -98.90 [0.1] / z(~) -0.000330 [0.000000] / cz -98.88 [0.10]
   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):
23.2554 [0.0356] A 2018yCat.1345....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:
G7V C ~
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) :
B 8.73 [~] C ~
V 8.00 [~] C ~
R 7.5 [~] E 2003AJ....125..984M
I 7.2 [~] E 2003AJ....125..984M
G 7.8292 [0.0009] C 2018yCat.1345....0G
J 6.533 [0.024] C 2003yCat.2246....0C
H 6.143 [0.021] C 2003yCat.2246....0C
K 6.061 [0.021] 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 (45) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

V* AS Dra GCRV 7430 NLTT 30524 UBV 11119
AG+73 321 GEN# +1.00107760 PLX 2852 UBV M 18136
AGKR 11083 G 237-62 PLX 2852.00 USNO-B1.0 1632-00087027
ASCC 35306 G 254-39 PPM 8140 uvby98 100107760
BD+74 493 G 255-10 RBS 1102 WEB 10731
CABS 101 HD 107760 RX J1222.2+7314 WISEA J122210.65+731456.5
CCABS 84 HIC 60331 1RXS J122212.6+731453 [ZEH2003] RX J1222.2+7314 1
Ci 20 699 HIP 60331 SAO 7552 Gaia DR2 1690646191681632128
Ci 18 1557 LHS 5215 SBC7 461 Gaia DR1 1690645981227875968
2E 2682 LSPM J1222+7314 SBC9 721
2E 1220.0+7331 LTT 13468 SKY# 23170
GC 16874 2MASS J12221182+7314542 TYC 4400-784-1

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References (104 between 1850 and 2019) (Total 104)
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


distance : 1    velocities : 7    PM : 11    Fe_H : 8    PLX : 4    MK : 4    V* : 1   

   

Observing logs


herschel : 3    IUE : 5   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : AS Dra

Link by name to the catalogue in VizieR :

V* AS Dra AG+73 321 BD+74 493 CABS 101 2E 2682
G 237-62 G 254-39 G 255-10 HD 107760 HIC 60331
HIP 60331 LHS 5215 LSPM J1222+7314 2MASS J12221182+7314542 NLTT 30524
PLX 2852 PPM 8140 1RXS J122212.6+731453 SAO 7552 TYC 4400-784-1
USNO-B1.0 1632-00087027 uvby98 100107760 WISEA J122210.65+731456.5 Gaia DR2 1690646191681632128 Gaia DR1 1690645981227875968

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

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2018.11.17-15:16:41

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