WDS 04142-4608 RST 2338 (HD 27019) : NOTES
 
 
discov_num notes refcode
RST2338 Half-period solution equally good, but gives large mass-sum.
More speckle obs needed (the only existing one erroneous?).
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 1.72 +/- 0.26, 2.26, and 1.07 Msun, respectively. Mlk2012
Gomez et al. (2016) derive dynamical parallax and component masses:
20.75 +/- 0.42 mas, 1.245 +/- 0.012 Msun, 0.954 +/- 0.009 Msun. Doc2016i
 
 
REFERENCES
 
 
refcode metd author reference
Doc2016i orb - Gomez, J., Docobo, J.A., Campo, P., & Mendez, R.A. 2016AJ....152..216G
Doc2016i AJ 152, 216, 2016
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Tok2020e St j Tokovinin, A., Mason, B.D., Mendez, R.A., Costa, E. & Horch, E.P. 2020AJ....160....7T
Tok2020e +orb AJ 160, 7, 2020
 
 
DISCOVERER
 
 
idgroup discov author
1 RST Rossiter, R.A.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04142-4608 RST2338 2007 38 286 0.2 8.48 7.19 F8/G0V NOD 041409.55-460756.0
04142-4608 RST2338 2008 39 293 0.3 8.48 7.19 F8/G0V NOD 041409.55-460756.0
04142-4608 RST2338 2010 42 308 0.3 8.48 7.19 F8/G0V NOD 041409.55-460756.0
04142-4608 RST2338 2013 44 320 0.3 8.48 7.19 F8/G0V NOD 041409.55-460756.0
04142-4608 RST2338 2014 45 325 0.3 8.48 7.19 F8/G0V NO 041409.55-460756.0
04142-4608 RST2338 2015 46 157 0.3 8.48 7.19 F8/G0V NO 041409.55-460756.0
04142-4608 RST2338 2018 47 177 0.2 8.48 7.19 F9+G7 NO 041409.55-460756.0
04142-4608 RST2338 2019 48 210 0.1 8.48 7.19 F9+G7 NO 041409.55-460756.0
04142-4608 RST2338 2020 49 313 0.1 8.48 7.19 F9+G7 NO 041409.55-460756.0

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