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Doubles in session

Current system

22280+5742
KR 60 CE

Selections

Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

22280+5742 KR 60 CE

22^h 28^m 13.44^s +57° 42' 44.1" P.A. 130.00 sep 45.9 mag 10.53,13.33 Sp M3+M2

Coord 2000	22280+5742		Discov num	KR 60		Comp	CE		Coord arcsec 2000	22 28 13.44 +57 42 44.1
Date first	1900		Date last	2016		Obs	19
Pa first	130		Pa last	129.6		P.A. Now (θ)	129.6°
Sep first	46.0		Sep last	45.896		Sep. Now (ρ)	45.896"
Mag pri	10.53		Mag sec	13.33		delta mag (ΔM)	2.8		Spectral class	M3+M2 (red/red)
Pri motion ra	+003		Sec motion ra	+002
Pri motion dec	-001		Sec motion dec	-002
Notes	N O (See Notes, Orbital solution)

rPM=0.447

This double is physical.

22280+5742 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	DO Cep		22 27 59 +57 41 44	KR 60 AB	2020	317	207	2.1	9.93	11.41	1.48	Y
Show			22 27 59 +57 41 44	KR 60 AC	2016	83	62	139.8	9.93	10.53	0.60
Show			22 27 59 +57 41 44	KR 60 AD	2016	10	56	119.3	9.93	14.30	4.37
Show			22 27 59 +57 41 44	KR 60 AE	2016	17	77	163.0	9.93	13.33	3.40
Show			22 27 59 +57 41 44	KR 60 AF	2016	16	46	71.9	9.93	14.43	4.50
Show			22 27 59 +57 41 44	KR 60 AG	2016	6	114	68.4	9.93	15.14	5.21
Show			22 27 59 +57 41 44	KR 60 AH	2016	8	267	50.2	9.93	13.02	3.09
Show			22 27 59 +57 41 44	KR 60 AI	2016	18	119	238.2	9.93	8.31	1.62
Show			22 27 59 +57 41 44	HEL 4 AJ	2016	10	113	32.5	9.93	15.70	5.77
Show			22 27 59 +57 41 44	HZE 5 AK	2006	1	0	7.2	4.78	16.00	11.22
Show			22 27 59 +57 41 44	FYM 118 AL	2016	5	13	107.0	9.93	15.44	5.51
Show			22 27 59 +57 41 44	FYM 118 AM	2016	5	356	78.4	9.93	15.60	5.67
Show			22 27 59 +57 41 44	FYM 118 AO	2016	5	135	83.0	9.93	15.17	5.24
Show			22 27 59 +57 41 44	FYM 118 AR	2016	5	113	113.7	9.93	15.20	5.27
Show			22 27 59 +57 41 44	FYM 118 AS	2016	5	264	13.2	9.93	15.70	5.77
Show			22 27 59 +57 41 44	FYM 118 AU	2016	5	103	137.6	9.93	15.20	5.27
Show			22 27 60 +57 41 44	KR 60 BC	2016	60	62	141.2	11.41	10.53	0.88
Show			22 27 60 +57 41 44	HEL 4 BJ	2016	7	112	33.9	11.41	15.70	4.29
Show			22 28 13 +57 42 44	FYM 118 CD	2016	8	272	24.5	10.53	14.30	3.77
Show			22 28 13 +57 42 44	KR 60 CE	2016	19	130	45.9	10.53	13.33	2.80	Y	<===
Show			22 28 13 +57 42 44	FYM 118 CN	2016	9	52	42.1	10.53	14.92	4.39
Show			22 28 13 +57 42 44	FYM 118 CP	2016	9	320	46.5	10.53	14.79	4.26
Show			22 28 18 +57 42 15	FYM 118 EQ	2016	9	206	14.2	13.33	15.70	2.37

20-fold system
20 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cepheus

Tycho2

3991-00030-1

Gaia DR2

2007877630142171520

ADS

15972

ORBITAL ELEMENTS

Period (P)	1799.9689y	± 727.4828	Periastron (T)	1665.0803y	± 195.3575	Semi-major axis (a)	58.9838a	± 23.68914
Eccentricity (e)	0.69831	± 0.18775	Inclination (i)	89.136°	± 0.408	Longitude of periastron (ω)	264.167°	± 20.86
Node (Ω)	128.601°	± 0.942	Notes	n		Reference	Izm2019
Equinox			Last observation	2015		Grade	5	(1=Definitive, 9=Indet.)

label	theta	rho
2000	129.6	46.266
2001	129.6	46.249
2002	129.6	46.233
2003	129.6	46.216
2004	129.6	46.199
2005	129.6	46.181
2006	129.6	46.163
2007	129.6	46.145
2008	129.6	46.127
2009	129.6	46.108
2010	129.6	46.089
2011	129.6	46.069
2012	129.6	46.049
2013	129.6	46.029
2014	129.6	46.009
2015	129.6	45.988
2016	129.6	45.967
2017	129.6	45.946
2018	129.6	45.924
2019	129.6	45.902
2020	129.7	45.880
2021	129.7	45.857
2022	129.7	45.834
2023	129.7	45.811
2024	129.7	45.787
2025	129.7	45.764
2026	129.7	45.740
2027	129.7	45.715
2028	129.7	45.691
2029	129.7	45.666
2030	129.7	45.640

grafico orbita

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

wds22280%2B5742e.png orbit plot

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