Coord 2000	00214+6700	Discov num	STT 6	Comp	AB	Coord arcsec 2000	00 21 22.17 +67 00 19.5
Date first	1843	Date last	2014	Obs	77
Pa first	137	Pa last	153	P.A. Now (θ)	152.4°
Sep first	0.6	Sep last	0.7	Sep. Now (ρ)	0.65"
Mag pri	7.54	Mag sec	8.77	delta mag (ΔM)	1.23	Spectral class	B8.5V (blue-white)
Pri motion ra	+025	Sec motion ra	+025
Pri motion dec	+000	Sec motion dec	+000
Notes	N O (See Notes, Orbital solution)

This double is physical.

00214+6700 SYSTEM COMPONENTS

Show

name

SAO

coord_2000

discov#

comp

first

last

obs

sep

mag1

mag2

d_mag

orb

current

Show

00214+6700

STT 6

1843

2014

152

0.6

7.54

8.77

1.23

<===

Show

00214+6700

STF 26

AB,C

1828

2015

114

13.8

7.54

9.92

2.38

Triple system
4 visible stars in this system

OTHER CATALOGS AND DESIGNATIONS

Precise pa	153.4	Precise sep	0.66	Constellation	Cepheus	SAO	11128
HIP	1700	Tycho2	4027-00522-1	Gaia DR2	8895302144	HD	1658
ADS	293	BD	BD+66 20	Distance	165.56	Distance ly	540.06
last precise pa	153.4	last precise sep	0.66

ORBITAL ELEMENTS

Period (P)	335.385y	Periastron (T)	1928.76y	Semi-major axis (a)	0.3935a
Eccentricity (e)	0.9424	Inclination (i)	128.3°	Longitude of periastron (ω)	182.7°
Node (Ω)	149°	Note		Grade	4	(1=Definitive, 9=Indet.)
Equinox		Last observation	1997

label	rho	theta
2000	0.587	154.1
2001	0.591	154.0
2002	0.595	153.9
2003	0.599	153.8
2004	0.603	153.7
2005	0.607	153.6
2006	0.610	153.5
2007	0.614	153.4
2008	0.618	153.3
2009	0.621	153.2
2010	0.625	153.1
2011	0.628	153.1
2012	0.632	153.0
2013	0.635	152.9
2014	0.638	152.8
2015	0.642	152.7
2016	0.645	152.6
2017	0.648	152.5
2018	0.651	152.5
2019	0.654	152.4
2020	0.657	152.3
2021	0.660	152.2
2022	0.663	152.1
2023	0.666	152.1
2024	0.669	152.0
2025	0.671	151.9
2026	0.674	151.8
2027	0.677	151.8
2028	0.679	151.7
2029	0.682	151.6
2030	0.684	151.5

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

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
00214+6700	STT 6	AB	2005	73	156	0.7	7.54	8.77	B8.5V	NOD	002122.17+670019.5
00214+6700	STT 6	AB	2009	74	156	0.7	7.54	8.77	B8.5V	NOD	002122.17+670019.5
00214+6700	STT 6	AB	2014	77	153	0.7	7.54	8.77	B8.5V	NO	002122.17+670019.5

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