00162+7657 STF  13

 
 
00h 16m 14.02s +76 57' 03.0" P.A. 48.3 sep 0.96 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
2016
Obs
203
Pa first
127
Pa last
48
P.A. Now (θ)
48.3°
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
48.2
Precise sep
0.958
Constellation
Cepheus
SAO
4071
HIP
1296
Tycho2
4496-01370-1
HD
1141
HR
55
ADS
207
BD
BD+76 5
Distance
192.31
Distance ly
627.32
last precise pa
48.2
last precise sep
0.958
 
 
ORBITAL ELEMENTS
 
 
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

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

grafico orbita





wds00162%2B7657a.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

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