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19464+3201
KAM 3AB

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

19464+3201 KAM 3AB

19^h 46^m 24.02^s +32° 01' 00.4" P.A. 135.40 sep 5.8 mag 10.38,11.15 Sp M0.5V+M2V dist. 13.61 pc (44.4 l.y.)

Coord 2000	19464+3201		Discov num	KAM 3		Comp	AB		Coord arcsec 2000	19 46 24.02 +32 01 00.4
Date first	1935		Date last	2019		Obs	105
Pa first	135		Pa last	135		P.A. Now (θ)	135.4°
Sep first	2.2		Sep last	5.7		Sep. Now (ρ)	5.82"
Mag pri	10.38		Mag sec	11.15		delta mag (ΔM)	0.77		Spectral class	M0.5V+M2V (red/red)
Pri motion ra	+465		Sec motion ra
Pri motion dec	-393		Sec motion dec
Notes	N O (See Notes, Orbital solution)

This double is physical.

19464+3201 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		68825	19 46 24 +32 01 00	KAM 3 AB	2019	105	135	5.8	10.38	11.15	0.77	Y	<===
Show		68825	19 46 24 +32 01 00	HEL 3 AC	2002	5	169	15.8	10.38	14.90	4.52
Show		68825	19 46 24 +32 00 57	HEL 3 BC	2015	12	194	11.0	11.15	14.90	3.75
Show		68825	19 46 24 +32 00 59	CRC 35 BD	2012	2	27	8.7	7.30
Show		68825	19 46 24 +32 00 59	CRC 35 BE	2012	2	117	9.0	7.30

Quintuple system
5 visible stars in this system

OTHER CATALOGS AND DESIGNATIONS

Precise pa	135.3		Precise sep	5.744		Constellation	Cygnus		SAO	68825
HIP	97292		HD	331161		GL	Gl 767A		BD	BD+31 3767
Distance	13.61		Distance ly	44.4		last precise pa	135.3		last precise sep	5.744

ORBITAL ELEMENTS

Period (P)	639.0027y	± 256.7156	Periastron (T)	1903.6521y	± 9.5438	Semi-major axis (a)	4.46363a	± 0.99007
Eccentricity (e)	0.86843	± 0.09415	Inclination (i)	74.471°	± 5.904	Longitude of periastron (ω)	188.633°	± 34.417
Node (Ω)	138.511°	± 6.056	Note			Grade	5	(1=Definitive, 9=Indet.)
Equinox			Last observation	2015

label	rho	theta
2000	5.148	134.3
2001	5.182	134.4
2002	5.217	134.4
2003	5.250	134.5
2004	5.284	134.5
2005	5.317	134.6
2006	5.350	134.7
2007	5.383	134.7
2008	5.416	134.8
2009	5.448	134.8
2010	5.480	134.9
2011	5.512	134.9
2012	5.543	135.0
2013	5.574	135.0
2014	5.605	135.0
2015	5.636	135.1
2016	5.667	135.1
2017	5.697	135.2
2018	5.727	135.2
2019	5.756	135.3
2020	5.786	135.3
2021	5.815	135.4
2022	5.844	135.4
2023	5.873	135.5
2024	5.901	135.5
2025	5.930	135.5
2026	5.958	135.6
2027	5.986	135.6
2028	6.013	135.7
2029	6.041	135.7
2030	6.068	135.7

grafico orbita

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

wds19464%2B3201c.png orbit plot

Measures: green=micrometric, blue=interferometric, purple=photographic

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19464+3201	KAM 3	AB	2007	69	135	5.4	10.94	11.66	M1	NVD	194623.93+320101.5
19464+3201	KAM 3	AB	2012	79	135	5.5	10.38	11.15	M0.5V+M2V	NV	194623.93+320101.5
19464+3201	KAM 3	AB	2013	80	140	5.6	10.38	11.15	M0.5V+M2V	NV	194623.93+320101.5
19464+3201	KAM 3	AB	2015	81	136	5.6	10.38	11.15	M0.5V+M2V	NO	194623.93+320101.5
19464+3201	KAM 3	AB	2016	93	135	5.6	10.38	11.15	M0.5V+M2V	NO	194624.02+320100.4
19464+3201	KAM 3	AB	2019	104	135	5.7	10.38	11.15	M0.5V+M2V	NO	194624.02+320100.4

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