WDS 17267+3105 LDS 995 (HD 158226) : NOTES
 
 
discov_num notes refcode
LDS 995 B is BD+31@3025.
NLTT 44816/44814 Chm2004
HJL 247. HJL1986
SHY 720. Bayesian analysis by Shaya & Olling (2011) indicates very Shy2011
high (near 100%) probability pair is physical.
 
 
REFERENCES
 
 
refcode metd author reference
Chm2004 E - Chaname, J. & Gould, A. 2004ApJ...601..289C
Chm2004 ApJ 601, 289, 2004
Chm2004 (Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004 versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004 identical to discovery observations - predominantly close pairs - were assumed
Chm2004 not new observations, so not included in WDS. Similar concerns when primary and
Chm2004 secondary magnitudes or proper motions were the same.)
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)
Shy2011 - Shaya, E.J. & Olling, R. 2011ApJS..192....2S
Shy2011 ApJS 192, 2, 2011
Shy2011 (Statistical analysis of probability that wide Hipparcos pairs are physical. Pairs
Shy2011 added to WDS only if probability 90% or greater.)
 
 
DISCOVERER
 
 
idgroup discov author
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
17267+3105 LDS 995 2004 13 200 68.1 8.48 9.67 G1V NZDV 172643.20+310437.9
17267+3105 LDS 995 2010 15 200 67.9 8.48 9.67 G1V+G8V NZ V 172643.20+310437.9
17267+3105 LDS 995 2015 16 200 67.8 8.48 9.67 G1V+G8V NZ V 172643.20+310437.9
17267+3105 LDS 995 2020 20 200 68.1 8.48 9.67 G1V+G8V NT 172643.20+310437.9

If you need more information about this double, apply for a data request form to the WDS.