You're not logged.

Login

Set your own preferrences to customize your experience with Stelle Doppie!
Create your account here!

Search

Actions

Advanced Search
Go to Simbad
New report
New measure
Login

Computed Lists

Populars
Latest Populars
Doubles in session

Current system

00214+6700
STT 6AB

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.

00214+6700 STT 6AB

00^h 21^m 22.17^s +67° 00' 19.5" P.A. 152.20 sep 0.7 mag 7.54,8.77 Sp B8.5V dist. 165.56 pc (540.06 l.y.)

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)	152.2°
Sep first	0.6		Sep last	0.7		Sep. Now (ρ)	0.66"
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	pa	sep	mag1	mag2	d_mag	orb	current
Show		11128	00214+6700	STT 6	AB	1843	2014	77	152	0.7	7.54	8.77	1.23	Y	<===
Show		11128	00214+6700	STF 26	AB,C	1828	2020	42	115	13.1	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	528650348895302144		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

grafico orbita

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

wds00214%2B6700a.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
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.