21 Sagittarii

Object query : 21 Sagittarii C.D.S. - SIMBAD4 rel 1.223 - 2014.11.27CET03:48:55

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


Basic data :
* 21 Sgr -- Star
Other object types: * (*,BD,GC,GCRV,GEN#,GSC,HD,HIC,HIP,HR,JP11,PLX,PMC,PPM,SAO,SKY#,TYC,UBV,YZ,[SC95]) , ** (**,ADS,CCDM,IDS,WDS) , IR (IRAS,IRC,2MASS,RAFGL) , UV (TD1)
ICRS coord. (ep=J2000) : 18 25 21.04075 -20 32 30.0385 ( Optical ) [ 8.17 5.01 0 ] A 2007A&A...474..653V
FK5 coord. (ep=J2000 eq=2000) : 18 25 21.041 -20 32 30.04 ( Optical ) [ 8.17 5.01 0 ] A 2007A&A...474..653V
FK4 coord. (ep=B1950 eq=1950) : 18 22 22.31 -20 34 12.8 ( Optical ) [ 47.21 28.94 0 ] A 2007A&A...474..653V
Gal coord. (ep=J2000) : 011.7360 -03.7464 ( Optical ) [ 8.17 5.01 0 ] A 2007A&A...474..653V
Proper motions mas/yr [error ellipse]: 8.46 -28.07 [0.93 0.57 0] A 2007A&A...474..653V
Radial velocity / Redshift / cz : V(km/s) -11.80 [0.8] / z(~) -0.000039 [0.000003] / cz -11.80 [0.80]   (~) A 2006AstL...32..759G
Parallaxes mas: 7.95 [0.72] A 2007A&A...474..653V
Spectral type: K1-2III+A1-2V C 1975MSS...C01....0H
Fluxes (5) :
B 6.23 [~] C ~
V 4.87 [~] C ~
J 2.217 [0.248] D 2003yCat.2246....0C
H 1.554 [0.250] D 2003yCat.2246....0C
K 1.417 [0.286] D 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!).

essential notes:


Identifiers (32) :

* 21 Sgr GSC 06274-01663 IRC -20478 SKY# 33641
** JC 6AB HD 169420 JP11 2970 TD1 22342
ADS 11325 AB HD 169421 2MASS J18252103-2032301 TYC 6274-1663-1
BD-20 5134 HIC 90289 PLX 4232 UBV 15650
CCDM J18254-2033AB HIP 90289 PMC 90-93 6569 UBV M 22919
GC 25132 HR 6896 PPM 268387 WDS J18254-2033AB
GCRV 10887 IDS 18194-2036 RAFGL 2149 YZ 110 7687
GEN# +1.00169420J IRAS 18223-2034 SAO 186794 [SC95] M 612

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References (46 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 (13 types) :


IRAS : 1    IRC : 1    JP11 : 1    MK : 10    oRV : 6    PLX : 4    PM : 2    pos : 1    posa : 1    SAO : 1    TD1 : 1    UBV : 7   
velocities : 7   

   


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)

BD-20 5134 CCDM J18254-2033AB GSC 06274-01663 HD 169420 HD 169421
HIC 90289 HIP 90289 HR 6896 IRAS 18223-2034 IRC -20478
2MASS J18252103-2032301 PPM 268387 RAFGL 2149 SAO 186794 TYC 6274-1663-1
WDS J18254-2033AB

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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2014.11.27-03:48:55

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