00162+7657 STF  13

 
 
00h 16m 14.02s +76 57' 03.0" P.A. 47.60 sep 1.0 mag 7.03,7.12 Sp B8Vnn dist. 192.31 pc (627.32 l.y.)
 
 
Coord 2000
00162+7657
Discov num
STF  13
Comp
Coord arcsec 2000
00 16 14.02 +76 57 03.0
Date first
1828
Date last
2018
Obs
205
Pa first
127
Pa last
49
P.A. Now (θ)
47.6°
Sep first
0.5
Sep last
1.0
Sep. Now (ρ)
0.96"
Mag pri
7.03
Mag sec
7.12
delta mag (ΔM)
0.09
Spectral class
B8Vnn (blue-white)
Pri motion ra
+018
Sec motion ra
+018
Pri motion dec
+001
Sec motion dec
+001
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
49.3
Precise sep
0.967
Constellation
Cepheus
SAO
4071
HIP
1296
Tycho2
4496-01370-1
Gaia DR2
540202878908833536
HD
1141
HR
55
ADS
207
BD
BD+76 5
Distance
192.31
Distance ly
627.32
last precise pa
49.3
last precise sep
0.967
 
 
ORBITAL ELEMENTS SOLUTION #1
 
 
Period (P)1245.6y Periastron (T)3048.6y Semi-major axis (a)1.078a
Eccentricity (e)0.472 Inclination (i)140.7° Longitude of periastron (ω)287.6°
Node (Ω)86.1° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2016
label rho theta
2000 0.934 52.9
2001 0.935 52.7
2002 0.937 52.4
2003 0.938 52.2
2004 0.939 51.9
2005 0.941 51.6
2006 0.942 51.4
2007 0.943 51.1
2008 0.945 50.9
2009 0.946 50.6
2010 0.947 50.4
2011 0.948 50.1
2012 0.950 49.8
2013 0.951 49.6
2014 0.952 49.3
2015 0.953 49.1
2016 0.955 48.8
2017 0.956 48.6
2018 0.957 48.3
2019 0.958 48.1
2020 0.960 47.8
2021 0.961 47.6
2022 0.962 47.3
2023 0.963 47.1
2024 0.964 46.8
2025 0.966 46.6
2026 0.967 46.3
2027 0.968 46.1
2028 0.969 45.9
2029 0.970 45.6
2030 0.971 45.4


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



 
 


wds00162%2B7657a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
ORBITAL ELEMENTS SOLUTION #2
 
 
Period (P)816.5679y± 394.0299 Periastron (T)1821.2404y± 10.6549 Semi-major axis (a)1.31063a± 0.44826
Eccentricity (e)0.77368± 0.12241 Inclination (i)120.975°± 10.946 Longitude of periastron (ω)287.481°± 10.006
Node (Ω)129.572°± 15.525 Note Grade4(1=Definitive, 9=Indet.)
Equinox Last observation2013
label rho theta
2000 0.937 52.5
2001 0.939 52.3
2002 0.941 52.0
2003 0.942 51.7
2004 0.944 51.4
2005 0.946 51.2
2006 0.948 50.9
2007 0.950 50.6
2008 0.952 50.3
2009 0.954 50.1
2010 0.956 49.8
2011 0.958 49.5
2012 0.959 49.3
2013 0.961 49.0
2014 0.963 48.7
2015 0.965 48.5
2016 0.967 48.2
2017 0.969 47.9
2018 0.971 47.7
2019 0.973 47.4
2020 0.975 47.1
2021 0.976 46.9
2022 0.978 46.6
2023 0.980 46.4
2024 0.982 46.1
2025 0.984 45.9
2026 0.986 45.6
2027 0.988 45.3
2028 0.990 45.1
2029 0.992 44.8
2030 0.994 44.6


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



 
 


wds00162%2B7657c.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
00162+7657 STF 13 2006 206 51 0.9 7.03 7.12 B8Vnn NOD 001614.02+765703.0
00162+7657 STF 13 2013 202 47 1.0 7.03 7.12 B8Vnn NO 001614.02+765703.0
00162+7657 STF 13 2016 203 48 1.0 7.03 7.12 B8Vnn NO 001614.02+765703.0
00162+7657 STF 13 2018 204 49 1.0 7.03 7.12 B8Vnn NO 001614.02+765703.0

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