BD+21 20

Query : BD+21 20

Basic data :
BD+21 20 -- Double or Multiple Star
Other object types: otypes_help 		* (BD,GSC,...), ** (**,WDS), X (1RXS), NIR (2MASS), MIR (WISE)
ICRS coord. (ep=J2000) : 		00 17 29.550288 +22 00 11.54232 (Optical) [ 20 21 90 ] B 2012yCat.1322....0Z
FK4 coord. (ep=B1950 eq=1950) : 		00 14 53.822333 +21 43 31.42880 [ 20 21 90 ]
Gal coord. (ep=J2000) : 		112.614287887 -40.187499110 [ 20 21 90 ]
Proper motions mas/yr : 		20.4 9.2 [1.1 1.4 90] C 2012yCat.1322....0Z
Fluxes (9) :
B 10.801 [0.03] D 2012yCat.1322....0Z
V 10.186 [0.07] D 2012yCat.1322....0Z
R 10.044 [0.02] D 2012yCat.1322....0Z
J 8.905 [0.029] C 2003yCat.2246....0C
H 8.589 [0.038] C 2003yCat.2246....0C
K 8.550 [0.023] C 2003yCat.2246....0C
g 10.633 [0.07] D 2012yCat.1322....0Z
r 10.153 [0.11] D 2012yCat.1322....0Z
i 9.774 [0.05] D 2012yCat.1322....0Z
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 2 		Display criteria :

Identifiers (12) :
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BD+21 20 2MASS J00172954+2200114 TYC 1185-1968-1 WDS J00175+2200AB
** COU 73 1RXS J001729.2+215955 UCAC2 39602098 WISE J001729.54+220011.4
GSC 01185-01968 TIC 150904550 UCAC4 561-000631 Gaia DR1 2800343793960754304

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

Plx : 1   

   

External archives :

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

Link by name to the catalogue in VizieR :

BD+21 20 GSC 01185-01968 2MASS J00172954+2200114 1RXS J001729.2+215955 TYC 1185-1968-1
UCAC2 39602098 UCAC4 561-000631 WDS J00175+2200AB WISE J001729.54+220011.4 Gaia DR1 2800343793960754304

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