BD+20 18

Query : BD+20 18

Basic data :
BD+20 18 -- Double or Multiple Star
Other object types: otypes_help 		* (AG,BD,...), ** (CCDM,**,...), PM* (2007A&A), NIR (2MASS), MIR (WISE)
ICRS coord. (ep=J2000) : 		00 17 01.45547 +21 46 26.6935 (Optical) [ 11.87 8.80 90 ] A 2007A&A...474..653V
FK4 coord. (ep=B1950 eq=1950) : 		00 14 25.50661 +21 29 49.5674 [ 11.87 8.80 90 ]
Gal coord. (ep=J2000) : 		112.42196175 -40.39432260 [ 11.87 8.80 90 ]
Proper motions mas/yr : 		103.22 -53.45 [1.35 1.00 0] A 2007A&A...474..653V
Parallaxes (mas): 		5.60 [1.32] A 2007A&A...474..653V
Spectral type: 		G0 D ~
Fluxes (6) :
B 9.91 [0.02] D 2012yCat.1322....0Z
V 9.62 [0.11] D 2012yCat.1322....0Z
R 9.51 [0.05] E 2012yCat.1322....0Z
J 8.354 [0.020] C 2003yCat.2246....0C
H 8.080 [0.026] C 2003yCat.2246....0C
K 8.032 [0.023] C 2003yCat.2246....0C
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 2 		Display criteria :

Identifiers (14) :
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CCDM J00170+2146AB BD+20 18 2MASS J00170147+2146263 WDS J00170+2146AB
** KU 4AB HIC 1358 PPM 89594 WISE J001701.57+214625.5
ADS 226 AB HIP 1358 TIC 150902402
AG+21 19 IDS 00118+2113 AB UCAC4 559-000589

References (7 between 1850 and 2026) (Total 7)
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

Plx : 2    PM : 3   

   

External archives :

Link by name to the catalogue in VizieR :

CCDM J00170+2146AB AG+21 19 BD+20 18 HIC 1358 HIP 1358
2MASS J00170147+2146263 PPM 89594 UCAC4 559-000589 WDS J00170+2146AB WISE J001701.57+214625.5

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