WDS 01166+1831 HDS 169 (HD 7640) : NOTES
 
 
discov_num notes refcode
HDS 169 A: Ren & Fu (2013) calculated an astrometric orbit, combining
Hipparcos Intermediate Astrometric Data with spectroscopic elements by
Latham et al. (2002). They derived component masses 1.06 and 0.28 Msun Lat2002
and an estimated semimajor axis of 14.81 mas. Ren2013
 
 
REFERENCES
 
 
refcode metd author reference
Hrt2011d orb - Hartkopf, W.I. & Mason, B.D. 2011IAUDS.175....1H
Hrt2011d Inf. Circ. 175, 1, 2011
Lat2002 orb - Latham, D.N., Stefanik, R.P., Torres, G., Davis, R.J., Mazeh, T., Carney, B.W., 2002AJ....124.1144L
Lat2002 Laird, J.B., & Morse, J.A.
Lat2002 AJ 124, 1144, 2002
Ren2013 orb - Ren, S. & Fu, Y. 2013AJ....145...81R
Ren2013 AJ 145, 81, 2013
 
 
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
01166+1831 HDS 169 1999 3 254 0.6 8.61 12.20 G5 D 011636.28+183121.4
01166+1831 HDS 169 2004 4 248 0.6 8.61 12.20 G5 D 011636.28+183121.4
01166+1831 HDS 169 2007 6 244 0.6 8.61 12.20 G5 D 011636.28+183121.4
01166+1831 HDS 169 2010 8 239 0.6 8.61 12.20 G5 D 011636.28+183121.4
01166+1831 HDS 169 2012 10 235 0.6 8.61 12.20 G5 OD 011636.28+183121.4
01166+1831 HDS 169 2013 11 234 0.6 8.61 12.20 G5 NO 011636.45+183121.6
01166+1831 HDS 169 2021 15 219 0.6 8.61 12.20 G5 NO 011636.45+183121.6

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