WDS 18208+7120 STT 353 AB,C

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18208+7120
STT 353 AB,C

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

WDS 18208+7120 STT 353 AB,C : NOTES

discov_num	notes	refcode
STT 353	phi Dra = 43 Dra. A premature orbit has been computed.	D__1883
	Almost rectilinear relative motion, long period!	Ole1975b
	Period of A (SB1) is 127.99d.	XXX2016
	An Alpha CVn type variable.
	See Baize & Petit (1989) catalog of doubles with variable component.	Baz1989d
	Also an unresolved 128.165d spectroscopic binary.	Mug2017b

REFERENCES

refcode	metd	author	reference
Baz1989d	-	Baize, P. & Petit, M.	1989A&AS...77..497B
Baz1989d		A&AS 77, 497, 1989
D__1883	Ma -	Dembowski, H.	...................
D__1883		Misure micrometriche di Stelle Doppie e multiple...
D__1883		(Rome, Coi tipi del Salviucci), vol. I, 1883
Mug2017b	not -	Bischoff, R., Mugrauer, M., Zehe, T., Wockel, D., Pannicke, A., Lux, O.,	2017AN....338..671B
Mug2017b		Wagner, D., Heyne, T., Adam, C. & Neuhauser, R.
Mug2017b		AN 338, 671, 2017
Ole1975b	orb -	Olevic, D.	1975BOBeo.126...49O
Ole1975b		Bull. Obs. Astron. Belgrade #126, 49, 1975
XXX2016	not -	Liska, J.	2016MNRAS.461..939L
XXX2016		MNRAS 461, 939, 2016

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
18208+7120	STT 353	AB,C	2007	4	117	72.5	4.40	12.70	A0pSi:	N D	182045.44+712015.8

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