00214+6700 STT   6AB

 
 
00H 21M 22.17S +67 00' 19.5" P.A. 152.5 SEP 0.65 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)
152.5°
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 pa sep mag1 mag2 d_mag orb current
Show 11128 00214+6700 STT 6 AB 1843 2014 77 152 0.6 7.54 8.77 1.23 Y <===
Show 11128 00214+6700 STF 26 AB,C 1828 2015 38 114 13.8 7.54 9.92 2.38
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cepheus
SAO
11128
HIP
1700
Tycho2
4027-00522-1
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 Grade4(1=Definitive, 9=Indet.)
Equinox Last observation1997
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.

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic