BD+31 4256

Query : BD+31 4256

Basic data :
BD+31 4256 -- Star
Other object types: otypes_help 		* (BD,AG,...), NIR (2MASS)
ICRS coord. (ep=J2000) : 		20 53 47.4021765365 +31 53 28.430126203 (Optical) [ 0.0130 0.0187 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		20 51 43.8400115030 +31 42 02.936590122 [ 0.0130 0.0187 90 ]
Gal coord. (ep=J2000) : 		075.3228467169091 -08.2573448969204 [ 0.0130 0.0187 90 ]
Proper motions mas/yr : 		-4.819 -7.735 [0.018 0.024 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) -8.69 [2.77] / z(spectroscopic) -0.000029 [0.000009] / cz -8.69 [2.77]
   (Opt) C 2022yCat.1355....0G
Parallaxes (mas): 		1.0336 [0.0242] A 2020yCat.1350....0G
Spectral type: 		B9III-IV C 2024MNRAS.528.4490R
Fluxes (7) :
B 9.23 [0.02] D 2000A&A...355L..27H
V 9.24 [0.01] D 2000A&A...355L..27H
R 9.392 [0.04] D 2012yCat.1322....0Z
G 9.250056 [0.002772] C 2022yCat.1355....0G
J 9.109 [0.023] C 2003yCat.2246....0C
H 9.088 [0.021] C 2003yCat.2246....0C
K 9.091 [0.016] C 2003yCat.2246....0C
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Identifiers (12) :
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BD+31 4256 2MASS J20534740+3153284 TIC 236131041 Gaia DR2 1865648100199361792
AG+31 2103 PPM 85695 TYC 2692-772-1 Gaia DR3 1865648100199361792
GSC 02692-00772 SAO 70642 UCAC4 610-114766 Gaia DR1 1865648100199361792

References (5 between 1850 and 2026) (Total 5)
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    Plx : 3    PM : 3    SpT : 1   

   

External archives :

Link by name to the catalogue in VizieR :

BD+31 4256 AG+31 2103 GSC 02692-00772 2MASS J20534740+3153284 PPM 85695
SAO 70642 TYC 2692-772-1 UCAC4 610-114766 Gaia DR2 1865648100199361792 Gaia DR3 1865648100199361792
Gaia DR1 1865648100199361792

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