WDS 20102+4357 STT 400 (HD 191854) : NOTES
 
 
discov_num notes refcode
STT 400 Pourbaix gives combined solution for this resolved SB2, yielding Pbx2000b
orbital parallaxes and component masses.
Eccentricity incorrectly given as 0.468 by Heintz (1985); correct Hei1985d
value 0.486 (Erratum noted in Inf. Circ. 98, 1986)
Incorrect value of omega given by Burnham (1898); corrected by Bu_1898
Doberck (1898) Dob1898c
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 1.67 +/- 0.26, 2.08, and 0.98 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Bu_1898 orb - Burnham, S.W. 1898MNRAS..59...59B
Bu_1898 MNRAS 58, 59, 1898
Dob1898c orb - Doberck, W.A. 1898AN....147..339D
Dob1898c AN 147, 339, #3525, 1898
Hei1985d orb - Heintz, W.D. 1985IAUDS..97....1H
Hei1985d Inf. Circ. 97, 1, 1985
Hei1997 orb - Heintz, W.D. 1997ApJS..111..335H
Hei1997 ApJS 111, 335, 1997
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Pbx2000b orb - Pourbaix, D. 2000A&AS..145..215P
Pbx2000b A&AS 145, 215, 2000
 
 
DISCOVERER
 
 
idgroup discov author
1 STT Struve, O.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20102+4357 STT 400 2007 230 336 0.6 7.60 9.83 G3V NOD 201013.32+435644.2
20102+4357 STT 400 2008 234 335 0.6 7.60 9.83 G3V NOD 201013.32+435644.2
20102+4357 STT 400 2010 235 333 0.6 7.60 9.83 G3V NOD 201013.32+435644.2
20102+4357 STT 400 2012 235 333 0.7 7.60 9.83 G3V NOD 201013.32+435644.2
20102+4357 STT 400 2013 237 330 0.6 7.60 9.83 G3V NO 201013.32+435644.2
20102+4357 STT 400 2016 238 329 0.7 7.60 9.83 G3V NO 201013.32+435644.2
20102+4357 STT 400 2017 240 329 0.7 7.60 9.83 G3V NO 201013.32+435644.2

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