01108+6747 HDS 155

 
 
01h 10m 50.74s +67 46' 48.2" P.A. 259.3 sep 0.04 mag 7.22,7.68 Sp G0IV+G0IV dist. 54.64 pc (178.24 l.y.)
 
 
Coord 2000
01108+6747
Discov num
HDS 155
Comp
Coord arcsec 2000
01 10 50.74 +67 46 48.2
Date first
1991
Date last
2013
Obs
26
Pa first
165
Pa last
174
P.A. Now (θ)
259.3°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.04"
Mag pri
7.22
Mag sec
7.68
delta mag (ΔM)
0.46
Spectral class
G0IV+G0IV (yellow/yellow)
Pri motion ra
+250
Sec motion ra
Pri motion dec
+024
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
174
Precise sep
0.133
Constellation
Cassiopeia
SAO
11614
HIP
5531
Tycho2
4296-01443-1
HD
6840
BD
BD+67 98
Distance
54.64
Distance ly
178.24
last precise pa
174
last precise sep
0.133
 
 
ORBITAL ELEMENTS
 
 
Period (P)7.3y± 0.11 Periastron (T)1995.71y± 0.11 Semi-major axis (a)0.087a± 0.002
Eccentricity (e)0.72± 0.008 Inclination (i)54.7°± 1.5 Longitude of periastron (ω)219.1°± 1.4
Node (Ω)151.6°± 1.3 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2004
label rho theta
2000 0.118 183.0
2001 0.090 196.8
2002 0.052 228.5
2003 0.022 353.4
2004 0.087 148.8
2005 0.123 162.1
2006 0.132 171.0
2007 0.124 180.0
2008 0.100 191.9
2009 0.064 214.9
2010 0.032 296.3
2011 0.067 141.2
2012 0.116 158.9
2013 0.132 168.4
2014 0.128 177.1
2015 0.108 187.7
2016 0.076 205.6
2017 0.038 259.3
2018 0.041 125.2
2019 0.106 155.3
2020 0.129 165.8
2021 0.131 174.4
2022 0.116 184.1
2023 0.087 198.7
2024 0.048 234.5
2025 0.016 38.4
2026 0.092 150.7
2027 0.125 163.0
2028 0.132 171.8
2029 0.122 181.0
2030 0.097 193.4

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

grafico orbita





wds01108%2B6747a.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
01108+6747 HDS 155 2007 11 184 0.1 7.22 7.68 G0 D 011050.36+674648.1
01108+6747 HDS 155 2008 20 199 0.1 7.22 7.68 G0IV G0IV D 011050.36+674648.1
01108+6747 HDS 155 2009 21 243 0.0 7.22 7.68 G0IV G0IV D 011050.36+674648.1
01108+6747 HDS 155 2012 22 165 0.1 7.22 7.68 G0IV G0IV NOD 011050.36+674648.1
01108+6747 HDS 155 2013 26 174 0.1 7.22 7.68 G0IV+G0IV NO 011050.74+674648.2

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