01108+6747 HDS 155

 
 
01h 10m 50.74s +67 46' 48.2" P.A. 150.4 sep 0.09 mag 7.22,7.68 Sp G0IV+G0IV
 
 
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)
150.4°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.09"
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
 
 
Tycho2
1742-00278-1
Dm number
+24 125
last precise pa
174
last precise sep
0.133
 
 
ORBITAL ELEMENTS
 
 
Period (P)7.453y Periastron (T)1995.5y Semi-major axis (a)0.083a
Eccentricity (e)0.744 Inclination (i)52° Longitude of periastron (ω)215°
Node (Ω)151.8° Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2013
label rho theta
2000 0.118 182.0
2001 0.091 194.4
2002 0.052 222.5
2003 0.016 16.0
2004 0.086 148.8
2005 0.121 161.3
2006 0.132 169.7
2007 0.126 177.8
2008 0.105 188.0
2009 0.071 205.8
2010 0.031 270.6
2011 0.057 136.5
2012 0.109 156.6
2013 0.129 166.1
2014 0.130 174.0
2015 0.116 182.9
2016 0.088 196.0
2017 0.048 227.7
2018 0.017 68.3
2019 0.091 150.4
2020 0.123 162.2
2021 0.132 170.4
2022 0.124 178.6
2023 0.103 189.2
2024 0.067 208.5
2025 0.029 284.9
2026 0.064 140.0
2027 0.112 157.7
2028 0.130 166.8
2029 0.129 174.8
2030 0.114 183.9

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

grafico orbita





wds01108%2B6747b.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

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