HD 168021

Query : HD 168021

Basic data :
HD 168021 -- Double or Multiple Star
Other object types: otypes_help 		* (1971PW&SO,ALS,...), ** (CCDM,**,...), V* (NSV,AAVSO), NIR (2MASS)
ICRS coord. (ep=J2000) : 		18 18 43.2576402120 -18 37 10.754919264 (Optical) [ 0.1971 0.1666 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		18 15 47.0126390424 -18 38 26.077231015 [ 0.1971 0.1666 90 ]
Gal coord. (ep=J2000) : 		012.7043391182650 -01.4667631581219 [ 0.1971 0.1666 90 ]
Proper motions mas/yr : 		0.118 -0.971 [0.220 0.174 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 3.5 [5] / z(~) 0.000012 [0.000017] / cz 3.50 [5.00]
   C 1979IAUS...30...57E
Parallaxes (mas): 		1.7864 [0.2229] A 2020yCat.1350....0G
Spectral type: 		B0Ia+B0.2II C 2021A&A...646A..11M
Fluxes (8) :
U 6.46 [~] D 2003AJ....125.2531R
B 7.08 [0.99] D 2012yCat.1322....0Z
V 6.86 [0.99] D 2012yCat.1322....0Z
R 7.64 [0.16] E 2012yCat.1322....0Z
G 6.828448 [0.005482] C 2020yCat.1350....0G
J 6.082 [0.029] C 2003yCat.2246....0C
H 6.007 [0.038] C 2003yCat.2246....0C
K 5.897 [0.016] C 2003yCat.2246....0C
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Identifiers (33) :
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CCDM J18187-1837AB GEN# +1.00168021 PPM 234337 WEB 15294
** BU 639 GSC 06269-04010 ROT 7520 WEB 15298
ADS 11240 AB HD 168021 SAO 161304 YZ 108 7613
ALS 4901 HR 6848 SKY# 33385 AAVSO 1812-18
BD-18 4896 IDS 18128-1840 AB TYC 6269-4010-1 Gaia DR3 4096324302654797952
BD-18 4897 LS 4901 UBV 15560 Gaia DR2 4096324302654797952
CSI-18 4896 1 2MASS J18184325-1837107 UCAC4 357-133889
GC 24978 MCW 654 uvby98 100168021
GCRV 10764 NSV 10543 WDS J18187-1837AB

References (85 between 1850 and 2026) (Total 85)
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 : 8    Rot : 4    Fe/H : 1    Plx : 1    PM : 3    SpT : 9   

   

External archives :

Link by name to the catalogue in VizieR :

CCDM J18187-1837AB ALS 4901 BD-18 4896 BD-18 4897 GSC 06269-04010
HD 168021 HR 6848 LS 4901 2MASS J18184325-1837107 NSV 10543
PPM 234337 SAO 161304 TYC 6269-4010-1 UCAC4 357-133889 uvby98 100168021
WDS J18187-1837AB Gaia DR3 4096324302654797952 Gaia DR2 4096324302654797952

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