HD 170857

Query : HD 170857

Basic data :
HD 170857 -- Young Stellar Object Candidate
Other object types: otypes_help 		* (HD,AG,...), Y*? (2013ApJ), NIR (2MASS), MIR (SSTU)
ICRS coord. (ep=J2000) : 		18 31 46.1995816608 -02 25 06.485018736 (Optical) [ 0.0211 0.0210 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		18 29 09.5025300009 -02 27 19.700482760 [ 0.0211 0.0210 90 ]
Gal coord. (ep=J2000) : 		028.5313731806024 +03.2661045174563 [ 0.0211 0.0210 90 ]
Proper motions mas/yr : 		28.972 7.536 [0.027 0.023 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) -40.46 [0.16] / z(spectroscopic) -0.000135 [0.000001] / cz -40.46 [0.16]
   (Opt) A 2018yCat.1345....0G
Parallaxes (mas): 		6.7665 [0.0245] A 2020yCat.1350....0G
Spectral type: 		K1III C 1999MSS...C05....0H
Fluxes (6) :
B 8.44 [0.02] D 2000A&A...355L..27H
V 7.19 [0.01] D 2000A&A...355L..27H
G 6.789537 [0.002764] C 2020yCat.1350....0G
J 5.408 [0.240] D 2003yCat.2246....0C
H 4.584 [0.076] C 2003yCat.2246....0C
K 4.265 [0.036] C 2003yCat.2246....0C
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 1 : 548 Display criteria :

Identifiers (20) :
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HD 170857 GSC 05116-00413 SAO 142368 uvby98 100170857
AG-02 1092 HIC 90832 SKY# 33900 WEB 15571
BD-02 4647 HIP 90832 SSTU J183146.24-022506.2 YZ 92 6198
GCRV 10991 2MASS J18314620-0225066 TIC 43155769 Gaia DR2 4270170736109198464
GEN# +1.00170857 PPM 180355 TYC 5116-413-1 Gaia DR3 4270170736109198464

References (15 between 1850 and 2026) (Total 15)
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 : 5    Distance : 2    Plx : 4    PM : 5    SpT : 2   

   

External archives :

Link by name to the catalogue in VizieR :

HD 170857 AG-02 1092 BD-02 4647 GSC 05116-00413 HIC 90832
HIP 90832 2MASS J18314620-0225066 PPM 180355 SAO 142368 TYC 5116-413-1
uvby98 100170857 Gaia DR2 4270170736109198464 Gaia DR3 4270170736109198464

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