BD+30 4474

Query : BD+30 4474

Basic data :
BD+30 4474 -- Star
Other object types: otypes_help 		* (BD,AG,...), NIR (2MASS)
ICRS coord. (ep=J2000) : 		21 34 48.5699652408 +30 55 11.574855840 (Optical) [ 0.0109 0.0127 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		21 32 38.5228310074 +30 41 46.805826290 [ 0.0109 0.0127 90 ]
Gal coord. (ep=J2000) : 		080.6279847019948 -15.3683055664698 [ 0.0109 0.0127 90 ]
Proper motions mas/yr : 		1.878 -1.635 [0.016 0.014 90] A 2020yCat.1350....0G
Parallaxes (mas): 		1.9099 [0.019] A 2020yCat.1350....0G
Spectral type: 		A0 D ~
Fluxes (6) :
B 9.22 [0.02] D 2000A&A...355L..27H
V 9.11 [0.01] D 2000A&A...355L..27H
G 9.118977 [0.002762] C 2020yCat.1350....0G
J 8.809 [0.027] C 2003yCat.2246....0C
H 8.847 [0.029] C 2003yCat.2246....0C
K 8.798 [0.014] C 2003yCat.2246....0C
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Identifiers (11) :
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BD+30 4474 2MASS J21344857+3055115 TIC 160851184 Gaia DR3 1850484533476361472
AG+30 2377 PPM 86754 TYC 2704-1345-1 Gaia DR1 1850484529178616704
GSC 02704-01345 SAO 71477 Gaia DR2 1850484533476361472

References (3 between 1850 and 2026) (Total 3)
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    Plx : 3    PM : 3   

   

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Link by name to the catalogue in VizieR :

BD+30 4474 AG+30 2377 GSC 02704-01345 2MASS J21344857+3055115 PPM 86754
SAO 71477 TYC 2704-1345-1 Gaia DR2 1850484533476361472 Gaia DR3 1850484533476361472 Gaia DR1 1850484529178616704

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