WDS 19453-6823 HDS 2806 AB : NOTES
 
 
discov_num notes refcode
HDS2806 AB + TOK 425Ba,Bb: We resolved the secondary component of HDS 2806 AB
into a close pair Ba,Bb. This is a K3 dwarf within 50pc from the Sun.
The pair Ba,Bb should be fast and turn around in about 10yrs. Tok2015c
 
 
REFERENCES
 
 
refcode metd author reference
Tok2015c orb+j Tokovinin, A., Mason, B.D., Hartkopf, W.I., Mendez, R.A., & Horch, E.P. 2015AJ....150...50T
Tok2015c +St AJ 150, 50, 2015 (some measures corrected in Tok2017b) 2017AJ....154..110T
Tok2021b orb Tokovinin, A. 2021AJ....161..144T
Tok2021b AJ 161, 144, 2021
 
 
DISCOVERER
 
 
idgroup discov author
1 HDS Hipparcos Double Star (from additional DD list)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19453-6823 HDS2806 AB 2014 3 332 0.3 10.34 12.97 K3 194515.54-682322.3
19453-6823 HDS2806 AB 2015 5 147 0.3 10.34 12.97 K3 194515.54-682322.3
19453-6823 HDS2806 AB 2017 7 135 0.4 10.34 12.97 K3 N 194515.54-682322.3
19453-6823 HDS2806 AB 2018 12 128 0.3 10.34 12.97 K3 N 194515.54-682322.3
19453-6823 HDS2806 AB 2019 14 123 0.3 10.34 12.97 K3 N 194515.54-682322.3
19453-6823 HDS2806 AB 2020 16 118 0.4 10.34 12.97 K3 N 194515.54-682322.3
19453-6823 HDS2806 AB 2021 20 115 0.4 10.34 12.97 K3 NO 194515.54-682322.3

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