WDS 00174+0853 A 1803 AB : NOTES
 
 
discov_num notes refcode
A 1803 Too close 1932, 1946-47, 1965-72. Modern measures show a close
approach about 1985. While both 18- and 36-year period orbits
have been calculated for this pair, Griffin (Docobo, private
communication) determined spectroscopically that the shorter-period
high-eccentricity orbit is the correct one.
The measure reported for 1976.622 is spurious and has been deleted
from the catalogs. McA1982b
Large and irregular residuals preclude the correction of an orbit. Tok1985
AB: Malkov et al. (2012) derive dynamical, photometric, and
spectroscopic masses 0.02 +/- 0.02, 1.48, and 1.13 Msun, respectively. Mlk2012
STF 22 AB,C: H 2 50. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
Hrt2010a orb - Hartkopf, W.I. & Mason, B.D. 2010IAUDS.170....1H
Hrt2010a Inf. Circ. 170, 1, 2010
McA1982b Sc j McAlister, H.A. & Hendry, E.M. 1982ApJS...48..273M
McA1982b ApJS 48, 273, 1982
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Tok1985 Ig u Tokovinin, A.A. 1985A&AS...61..483T
Tok1985 A&AS 61, 483, 1985
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
312 POP Popovic, G.M.
441 POP Popovic, G.M. (Cvetkovic, Z., Pavlovic, R., Strigachev, A., Novakovic, B., &
441 POP Popovic, G.M.)
442 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00174+0853 A 1803 AB 1998 51 300 0.1 8.38 7.78 F7V NOD 001724.50+085234.8
00174+0853 A 1803 AB 2008 52 307 0.2 8.38 7.78 F7V NOD 001724.50+085234.8

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