WDS 11446-4925 RST 9004 AB (V838 Cen)

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11446-4925
RST 9004 AB
V838 Cen

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

WDS 11446-4925 RST 9004 AB (V838 Cen) : NOTES

discov_num	notes	refcode
RST9004	Originally published as RST3558a and previously listed in the WDS
	under duplicate designation RST3558.
	Assuming the revised Hipparcos parallax of 20.6 +/- 2.1 mas, Wollert
	et al. (2014) find the system mass is 2.6 +/- 0.8 Msun, the semi-major
	axis 14.9 +/- 1.6 au. Spectral types at K0 +/- 1 and K5 +/- 1. Some
	evidence is found for an unseen third component.	Wol2014

REFERENCES

refcode	metd	author	reference
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
Wol2014	Cl j	Wollert, M., Brandner, W., Reffert, S., Schlieder, J.E., Mohler-Fischer, M.,	2014A&A...564A..10W
Wol2014	+A	Kohler, R., & Henning, T.
Wol2014	+orb	A&A 564, A10, 2014

DISCOVERER

idgroup	discov	author
1	DAM	Damm, F.
403	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
11446-4925	RST9004	AB	1991	10	306	0.4	9.35	10.64	K0/1V	NOD	114438.59-492502.4
11446-4925	RST9004	AB	2009	11	116	0.2	9.35	10.64	K0/1V	NOD	114438.59-492502.4
11446-4925	RST9004	AB	2011	13	337	0.2	9.35	10.64	K0/1V	NOD	114438.59-492502.4
11446-4925	RST9004	AB	2013	14	200	0.2	9.35	10.64	K0/1V	NOD	114438.59-492502.4
11446-4925	RST9004	AB	2014	19	215	0.2	9.35	10.64	K0V+K5V	NO	114438.59-492502.4
11446-4925	RST9004	AB	2015	20	231	0.2	9.35	10.64	K0V+K5V	NO	114438.59-492502.4
11446-4925	RST9004	AB	2016	21	251	0.3	9.35	10.64	K0V+K5V	NO	114438.59-492502.4
11446-4925	RST9004	AB	2018	22	263	0.3	9.35	10.64	K0V+K5V	NO	114438.59-492502.4
11446-4925	RST9004	AB	2019	24	273	0.4	9.35	10.64	K0V+K5V	NO	114438.59-492502.4
11446-4925	RST9004	AB	2021	25	281	0.4	9.35	10.64	K0V+K5V	NO	114438.59-492502.4

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