WDS 12089+2147 HDS 1714 Aa,Ab : NOTES
 
 
discov_num notes refcode
LDS 930 G059-001. See Allen et al. (2000) for information on metallicity, AlC2000
age, galactic orbital parameters, etc.
 
 
REFERENCES
 
 
refcode metd author reference
AlC2000 Po - Allen, C., Poveda, A., & Herrera, M 2000A&A...356..529A
AlC2000 A&A 356, 529, 2000
Tok2019e St j Tokovinin, A., Everett, M.E., Horch, E.P., Torres, G. & Latham, D.W. 2019AJ....158..167T
Tok2019e +orb AJ 158, 167, 2019
 
 
DISCOVERER
 
 
idgroup discov author
1 HDS Hipparcos Double Star (from additional DD list)
1 LDS Luyten p.m. catalog (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
12089+2147 HDS1714 Aa,Ab 1991 1 65 0.3 9.74 11.99 G2V 120854.91+214719.1
12089+2147 HDS1714 Aa,Ab 2007 2 281 0.1 9.74 11.99 G2V D 120854.91+214719.1
12089+2147 HDS1714 Aa,Ab 2018 3 191 0.1 9.74 11.99 G2V N 120854.66+214719.4
12089+2147 HDS1714 Aa,Ab 2019 6 197 0.1 9.74 11.99 G2V NO 120854.66+214719.4
12089+2147 HDS1714 Aa,Ab 2021 8 204 0.1 9.74 11.99 G2V NO 120854.66+214719.4

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