HD 172421

Query : HD 172421

Basic data :
HD 172421 -- Double or Multiple Star
Other object types: otypes_help 		* (2022AJ,AG,...), ** (CCDM,ADS,...), UV (TD1), NIR (2MASS), MIR (WISE)
ICRS coord. (ep=J2000) : 		18 39 19.16237 +20 55 58.9338 (Optical) [ 9.21 9.04 90 ] A 2007A&A...474..653V
FK4 coord. (ep=B1950 eq=1950) : 		18 37 10.55682 +20 53 12.8683 [ 9.21 9.04 90 ]
Gal coord. (ep=J2000) : 		050.50931578 +11.93757387 [ 9.21 9.04 90 ]
Proper motions mas/yr : 		-1.15 -8.70 [1.03 1.05 0] A 2007A&A...474..653V
Radial velocity / Redshift / cz : 		V(km/s) -33.614300 [0.600205] / z(spectroscopic) -0.000112 [0.000002] / cz -33.61 [0.60]
   (NIR) A 2020AJ....160..120J
Spectral type: 		B8 E 1993yCat.3135....0C
Fluxes (4) :
U 7.24 [~] D 2003AJ....125.2531R
J 7.608 [0.019] C 2003yCat.2246....0C
H 7.697 [0.029] C 2003yCat.2246....0C
K 7.680 [0.024] C 2003yCat.2246....0C
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 2 		Display criteria :

Identifiers (22) :
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CCDM J18393+2056AB CSI+20 3880 1 IDS 18350+2051 AB TIC 345970187
ADS 11546 AB GC 25521 2MASS J18391917+2055595 uvby98 100172421
AG+20 1938 GEN# +1.00172421 PPM 107603 WDS J18393+2056AB
ALS 17210 HD 172421 SAO 86288 WISE J183919.15+205559.6
AP J18391917+2055595 HIC 91468 SKY# 34211
BD+20 3880 HIP 91468 TD1 22930

References (22 between 1850 and 2026) (Total 22)
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 : 2    Rot : 1    Fe/H : 2    Plx : 1    PM : 4    SpT : 2   

   

External archives :

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

Link by name to the catalogue in VizieR :

CCDM J18393+2056AB AG+20 1938 ALS 17210 AP J18391917+2055595 BD+20 3880
HD 172421 HIC 91468 HIP 91468 2MASS J18391917+2055595 PPM 107603
SAO 86288 TD1 22930 uvby98 100172421 WDS J18393+2056AB WISE J183919.15+205559.6

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