HZ 20

Query : HZ 20

Basic data :
HZ 20 -- Hot Subdwarf
Other object types: otypes_help 		* (2015MNRAS,UCAC4,...), blu (2019A&A,CBS,...), HS* (2008AJ), UV (Balloon,GALEX,...), Opt (LAMOST,SDSS), ** (2023ApJ), Em* (2023ApJS), NIR (2MASS)
ICRS coord. (ep=J2000) : 		12 12 38.5847142624 +42 40 01.834625748 (Optical) [ 0.0160 0.0164 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		12 10 07.9086827905 +42 56 42.567897093 [ 0.0160 0.0164 90 ]
Gal coord. (ep=J2000) : 		147.3631011049783 +72.5722462477669 [ 0.0160 0.0164 90 ]
Proper motions mas/yr : 		-1.283 0.635 [0.019 0.023 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) -29.69 [1.6] / z(spectroscopic) -0.000099 [0.000005] / cz -29.69 [1.60]
   (Opt) B 2023ApJS..264...17Z
Parallaxes (mas): 		0.5874 [0.0248] A 2020yCat.1350....0G
Spectral type: 		sdB+A0V D 2023ApJ...942..109L
Fluxes (12) :
B 14.872 [0.02] D 2012yCat.1322....0Z
V 14.960 [0.05] D 2012yCat.1322....0Z
R 15.075 [0.07] E 2012yCat.1322....0Z
G 14.893648 [0.002818] C 2020yCat.1350....0G
J 14.476 [0.034] C 2003yCat.2246....0C
H 14.206 [0.048] C 2003yCat.2246....0C
K 14.168 [0.058] C 2003yCat.2246....0C
u (AB) 15.047 [0.004] B 2012ApJS..203...21A
g 14.789 [0.05] D 2012yCat.1322....0Z
r 14.965 [0.07] D 2012yCat.1322....0Z
i 14.986 [0.01] E 2012yCat.1322....0Z
z (AB) 15.085 [0.005] B 2012ApJS..203...21A
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Identifiers (16) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

UCAC4 664-057198 FBS 1210+429 LAMOST J121238.56+424002.2 SDSS J121238.58+424001.8
Balloon 113435001 FBS B 305 2MASS J12123858+4240018 TIC 445831245
CBS 457 GALEX J121238.5+424002 PG 1210+429 Gaia DR3 1536809808987373824
FB 86 HZ 20 PLX 2813.01 Gaia DR2 1536809808987373824

References (31 between 1850 and 2026) (Total 31)
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 : 5    Distance : 2    Fe/H : 3    Plx : 3    PM : 2    SpT : 11   

   

Observing logs
IUE : 2   

   

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : HZ 20

Link by name to the catalogue in VizieR :

UCAC4 664-057198 FBS 1210+429 FBS B 305 GALEX J121238.5+424002 2MASS J12123858+4240018
PG 1210+429 SDSS J121238.58+424001.8 Gaia DR3 1536809808987373824 Gaia DR2 1536809808987373824

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