WDS 17191-4638 BSO 13 AB (HD 156274) : NOTES
 
 
discov_num notes refcode
BSO 13 Proper motion of A +1508,+109; PM of B +1417,+138 (UCAC2). Epoch-2000
coords of C = 1718497-463819, current AC separation ~2'.4 at 265deg.
Epoch-2000 coordinates of D = 1718551-463738, current AD separation
~1'.6 at 290deg.
41 Apri.
Four orbit solutions by Wielen (1962); only orbit #4 now in catalog. Wln1962
 
 
REFERENCES
 
 
refcode metd author reference
Kpp2020f Hg+ j Knapp, W.R.A. 2020JDSO...16..229K
Kpp2020f +C JDSO 16, 229, 2020
Kpp2020f +orb
Wln1962 orb - Wielen, R. 1962AJ.....67..599W
Wln1962 AJ 67, 599, 1962
 
 
DISCOVERER
 
 
idgroup discov author
1 BSO Brisbane Obs.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17191-4638 BSO 13 AB 2007 127 257 9.9 5.61 8.88 G8V M0V NODP 171903.83-463810.4
17191-4638 BSO 13 AB 2008 128 256 10.0 5.61 8.88 G8V M0V NODP 171903.85-463810.1
17191-4638 BSO 13 AB 2009 129 256 10.2 5.61 8.88 G8V M0V NODP 171903.85-463810.1
17191-4638 BSO 13 AB 2013 130 257 10.2 5.61 8.88 G8V M0V NODP 171903.85-463810.1
17191-4638 BSO 13 AB 2016 135 258 10.8 5.61 8.88 G8V+M0V NO P 171903.85-463810.1
17191-4638 BSO 13 AB 2017 137 258 10.6 5.61 8.88 G8V+M0V NO P 171903.85-463810.1
17191-4638 BSO 13 AB 2019 138 259 10.6 5.61 8.88 G8V+M0V NO P 171903.85-463810.1

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