HD 20642

Query : HD 20642

Basic data :
HD 20642 -- Emission-line Star
Other object types: otypes_help 		* (HD,AG,...), Em* (2023ApJS), NIR (2MASS), Opt (LAMOST)
ICRS coord. (ep=J2000) : 		03 21 32.1870417744 +51 28 56.514837000 (Optical) [ 0.0626 0.0691 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		03 17 54.4227721901 +51 18 11.869095595 [ 0.0626 0.0691 90 ]
Gal coord. (ep=J2000) : 		145.3045655159313 -04.7493960669694 [ 0.0626 0.0691 90 ]
Proper motions mas/yr : 		-1.382 -6.949 [0.082 0.094 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) -21.36 [0.11] / z(spectroscopic) -0.000071 [0.000000] / cz -21.36 [0.11]
   (Opt) A 2023ApJS..264...17Z
Parallaxes (mas): 		2.005 [0.0982] A 2020yCat.1350....0G
Spectral type: 		A2 E 1993yCat.3135....0C
Fluxes (6) :
B 9.28 [0.02] D 2000A&A...355L..27H
V 8.94 [0.02] D 2000A&A...355L..27H
G 8.842269 [0.002773] C 2020yCat.1350....0G
J 8.057 [0.046] C 2003yCat.2246....0C
H 7.944 [0.023] C 2003yCat.2246....0C
K 7.889 [0.016] C 2003yCat.2246....0C
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Identifiers (16) :
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HD 20642 FBFTA Per I 9 PPM 28409 YZ 51 1456
AG+51 317 GSC 03323-00922 SAO 23975 Gaia DR2 442904144330625792
BD+50 744 LAMOST J032131.78+512856.1 TIC 259250050 Gaia DR3 442904144330625792
Cl Melotte 20 486 2MASS J03213217+5128566 TYC 3323-922-1 Gaia DR1 442904140029387392

References (8 between 1850 and 2026) (Total 8)
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 : 1    Distance : 2    Fe/H : 1    Plx : 3    PM : 3    SpT : 2   

   

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Link by name to the catalogue in VizieR :

HD 20642 AG+51 317 BD+50 744 GSC 03323-00922 2MASS J03213217+5128566
PPM 28409 SAO 23975 TYC 3323-922-1 Gaia DR2 442904144330625792 Gaia DR3 442904144330625792
Gaia DR1 442904140029387392

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