* 21 Aql

Query : * 21 Aql

Basic data :
* 21 Aql -- alpha2 CVn Variable
Other object types: otypes_help 		* (*,AG,...), ** (ADS,CCDM,...), V* (CSV,V*), a2* (2003AstL), UV (TD1), NIR (2MASS)
ICRS coord. (ep=J2000) : 		19 13 42.7011956712 +02 17 37.310297604 (Optical) [ 0.0895 0.0842 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		19 11 11.3814947019 +02 12 25.755734043 [ 0.0895 0.0842 90 ]
Gal coord. (ep=J2000) : 		037.5213678791306 -03.9014909722753 [ 0.0895 0.0842 90 ]
Proper motions mas/yr : 		10.102 -0.825 [0.113 0.094 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) -4.07 [0.53] / z(spectroscopic) -0.000014 [0.000002] / cz -4.07 [0.53]
   (Opt) A 2022yCat.1355....0G
Parallaxes (mas): 		4.7730 [0.1052] A 2020yCat.1350....0G
Spectral type: 		B8III C 2024A&A...690A.176N
Fluxes (7) :
U 4.67 [~] C 2002yCat.2237....0D
B 5.08 [~] C 2002yCat.2237....0D
V 5.15 [~] C 2002yCat.2237....0D
G 5.108940 [0.002945] C 2022yCat.1355....0G
J 5.289 [0.020] C 2003yCat.2246....0C
H 5.316 [0.033] C 2003yCat.2246....0C
K 5.278 [0.023] C 2003yCat.2246....0C
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Identifiers (40) :
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* 21 Aql GCRV 11678 N30 4255 TYC 467-4986-1
ADS 12182 A GEN# +1.00179761 PLX 4478 UBV 16278
AG+02 2398 GSC 00467-04986 PLX 4478.00 UBV M 23583
ALS 16585 HD 179761 PPM 167421 uvby98 100179761
BD+02 3824 HGAM 738 Renson 49900 V* V1288 Aql
CCDM J19137+0218A HIC 94477 ROT 2744 WDS J19137+0218A
CSI+02 3824 1 HIP 94477 SAO 124408 WEB 16465
CSV 8128 HR 7287 SKY# 35655 YZ 2 6593
FK5 3537 IDS 19087+0207 A TD1 24179 Gaia DR2 4267953429183603200
GC 26490 2MASS J19134270+0217372 TIC 182186717 Gaia DR3 4267953429183603200

References (243 between 1850 and 2026) (Total 243)
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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Collections of Measurements Description of Measurements

Velocities : 11    Distance : 3    Rot : 12    Fe/H : 12    Plx : 6    PM : 7    SpT : 6   

   

Observing logs
IUE : 20   

   

External archives :

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

Link by name to the catalogue in VizieR :

AG+02 2398 ALS 16585 BD+02 3824 CCDM J19137+0218A FK5 3537
GSC 00467-04986 HD 179761 HIC 94477 HIP 94477 HR 7287
2MASS J19134270+0217372 PLX 4478 PPM 167421 SAO 124408 TD1 24179
TYC 467-4986-1 uvby98 100179761 V* V1288 Aql WDS J19137+0218A Gaia DR2 4267953429183603200
Gaia DR3 4267953429183603200

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