HD 74821

Query : HD 74821

Basic data :
HD 74821 -- alpha2 CVn Variable
Other object types: otypes_help 		* (HD,CD,...), a2* (2015A&A), Pu* (2022yCat), UV (TD1), NIR (2MASS)
ICRS coord. (ep=J2000) : 		08 45 11.3368852488 -31 35 58.378793496 (Optical) [ 0.0179 0.0236 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		08 43 08.5325109364 -31 25 00.519160315 [ 0.0179 0.0236 90 ]
Gal coord. (ep=J2000) : 		253.9416364598903 +07.0104842882245 [ 0.0179 0.0236 90 ]
Proper motions mas/yr : 		-9.828 5.484 [0.024 0.032 90] A 2020yCat.1350....0G
Parallaxes (mas): 		1.6544 [0.0297] A 2020yCat.1350....0G
Spectral type: 		ApSi D 1982MSS...C03....0H
Fluxes (6) :
B 8.47 [0.01] D 2000A&A...355L..27H
V 8.55 [0.01] D 2000A&A...355L..27H
G 8.533455 [0.002796] C 2020yCat.1350....0G
J 8.612 [0.026] C 2003yCat.2246....0C
H 8.679 [0.046] C 2003yCat.2246....0C
K 8.686 [0.021] C 2003yCat.2246....0C
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Identifiers (15) :
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HD 74821 GSC 07137-02348 SAO 199579 Gaia DR2 5641066160322465664
CD-31 6492 2MASS J08451132-3135583 TD1 13041 Gaia DR3 5641066160322465664
CPC 17 4129 PPM 285612 TIC 186008880 Gaia DR1 5641066156021546368
CPD-31 2545 Renson 20920 TYC 7137-2348-1

References (10 between 1850 and 2026) (Total 10)
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

Distance : 2    Var : 1    Plx : 3    PM : 2    SpT : 2   

   

External archives :

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

Link by name to the catalogue in VizieR :

HD 74821 CD-31 6492 CPD-31 2545 GSC 07137-02348 2MASS J08451132-3135583
PPM 285612 SAO 199579 TD1 13041 TYC 7137-2348-1 Gaia DR2 5641066160322465664
Gaia DR3 5641066160322465664 Gaia DR1 5641066156021546368

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