HD 204921

Query : HD 204921

Basic data :
HD 204921 -- Star
Other object types: otypes_help 		* (HD,AG,...), RG* (2021ApJ), NIR (2MASS)
ICRS coord. (ep=J2000) : 		21 31 08.2959811512 +30 16 43.696306308 (Optical) [ 0.0123 0.0142 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		21 28 58.0647230477 +30 03 28.749788663 [ 0.0123 0.0142 90 ]
Gal coord. (ep=J2000) : 		079.5781601405543 -15.2690101267912 [ 0.0123 0.0142 90 ]
Proper motions mas/yr : 		23.240 -4.689 [0.016 0.015 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) -35.56 [0.14] / z(spectroscopic) -0.000119 [0.000000] / cz -35.56 [0.14]
   (Opt) A 2018yCat.1345....0G
Parallaxes (mas): 		2.7192 [0.0182] A 2020yCat.1350....0G
Spectral type: 		K2III D ~
Fluxes (6) :
B 8.84 [~] E ~
V 7.54 [~] E ~
G 7.125307 [0.002759] C 2020yCat.1350....0G
J 5.862 [0.286] D 2003yCat.2246....0C
H 4.978 [0.274] D 2003yCat.2246....0C
K 4.462 [0.033] C 2003yCat.2246....0C
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Identifiers (20) :
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HD 204921 GEN# +1.00204921 PPM 86678 UBV M 25765
AG+30 2363 GSC 02704-02658 SAO 71419 YZ 30 12598
BD+29 4435 HIC 106240 SKY# 41041 Gaia DR2 1850107435347907712
DO 20550 HIP 106240 TIC 160432530 Gaia DR3 1850107435347907712
GCRV 72242 2MASS J21310828+3016437 TYC 2704-2658-1 Gaia DR1 1850107431049272960

References (13 between 1850 and 2026) (Total 13)
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 : 4    Distance : 2    Plx : 5    PM : 4    SpT : 1   

   

External archives :

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HD 204921 AG+30 2363 BD+29 4435 DO 20550 GSC 02704-02658
HIC 106240 HIP 106240 2MASS J21310828+3016437 PPM 86678 SAO 71419
TYC 2704-2658-1 Gaia DR2 1850107435347907712 Gaia DR3 1850107435347907712 Gaia DR1 1850107431049272960

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