WDS 01284+0758 YR 7 Ba,Bb : NOTES
 
 
discov_num notes refcode
S 398 STTA 19. B is BD+07@214.
HJL 19. HJL1986
A hierarchical quadruple. AB is a wide binary with an estimated period Tok2020h
of 300k years; the Ba,Bb pair has an estimated period of about 200
years and the close Ba1,2 pair has a spectroscopic orbit of 116d.
 
 
REFERENCES
 
 
refcode metd author reference
HJL1986 Pa - Halbwachs, J.L. 1986A&AS...66..131H
HJL1986 A&AS 66, 131, 1986
HJL1986 (Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986 only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)
Tok2020h not j Tokovinin, A. 2020AJ....160...69T
Tok2020h AJ 160, 69, 2020
 
 
DISCOVERER
 
 
idgroup discov author
1 S South, J.
16 YR Yale-Rochester (from additional DD list - see HOR)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01284+0758 YR 7 Ba,Bb 2004 5 54 0.4 8.11 11.09 F8IV-V D 012827.43+075729.6
01284+0758 YR 7 Ba,Bb 2007 6 48 0.5 8.11 11.09 F8IV-V D 012827.43+075729.6
01284+0758 YR 7 Ba,Bb 2008 7 45 0.5 8.11 11.09 F8IV-V N D 012827.43+075729.6
01284+0758 YR 7 Ba,Bb 2009 8 46 0.5 8.11 11.09 F8IV-V N D 012827.43+075729.6
01284+0758 YR 7 Ba,Bb 2011 14 42 0.5 8.11 11.09 F8IV-V N 012827.43+075729.6
01284+0758 YR 7 Ba,Bb 2012 15 41 0.5 8.11 11.09 F8IV-V NT 012827.43+075729.6

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