BD+39 4577

Query : BD+39 4577

Basic data :
BD+39 4577 -- Spectroscopic Binary
Other object types: otypes_help 		* (BD,AG,...), SB* (2022yCat), NIR (2MASS)
ICRS coord. (ep=J2000) : 		21 30 34.2992655024 +39 50 18.614178132 (Optical) [ 0.0505 0.0571 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		21 28 34.3881434746 +39 37 04.387071218 [ 0.0505 0.0571 90 ]
Gal coord. (ep=J2000) : 		086.3202211765170 -08.3472075727017 [ 0.0505 0.0571 90 ]
Proper motions mas/yr : 		3.693 7.164 [0.070 0.070 90] A 2020yCat.1350....0G
Parallaxes (mas): 		2.5311 [0.0707] A 2020yCat.1350....0G
Spectral type: 		A2 D ~
Fluxes (6) :
B 9.71 [0.02] D 2000A&A...355L..27H
V 9.52 [0.02] D 2000A&A...355L..27H
G 9.500447 [0.002765] C 2020yCat.1350....0G
J 9.106 [0.022] C 2003yCat.2246....0C
H 8.937 [0.027] C 2003yCat.2246....0C
K 8.956 [0.022] C 2003yCat.2246....0C
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Identifiers (11) :
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BD+39 4577 2MASS J21303429+3950186 TIC 419658881 Gaia DR3 1966123779145683712
AG+39 2281 PPM 86663 TYC 3187-2085-1 Gaia DR1 1966123774847239296
GSC 03187-02085 SAO 71414 Gaia DR2 1966123779145683712

References (4 between 1850 and 2026) (Total 4)
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 : 3   

   

External archives :

Link by name to the catalogue in VizieR :

BD+39 4577 AG+39 2281 GSC 03187-02085 2MASS J21303429+3950186 PPM 86663
SAO 71414 TYC 3187-2085-1 Gaia DR2 1966123779145683712 Gaia DR3 1966123779145683712 Gaia DR1 1966123774847239296

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