00085+3456 HDS  17

 
 
00h 08m 28.39s +34 56' 04.3" P.A. 331.5 sep 0.06 mag 8.27,8.31 Sp F8 dist. 85.54 pc (279.03 l.y.)
 
 
Coord 2000
00085+3456
Discov num
HDS  17
Comp
Coord arcsec 2000
00 08 28.39 +34 56 04.3
Date first
1991
Date last
2013
Obs
41
Pa first
358
Pa last
53
P.A. Now (θ)
331.5°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.06"
Mag pri
8.27
Mag sec
8.31
delta mag (ΔM)
0.04
Spectral class
F8 (yellow-white)
Pri motion ra
+114
Sec motion ra
Pri motion dec
+010
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
52.8
Precise sep
0.134
Cdsa2 id
HDS 17
Constellation
Andromeda
SAO
53674
HIP
689
Tycho2
2267-00721-1
HD
375
BD
BD+34 3
Ra deg
0.14121944444444445
De deg
34.934527777777774
Distance
85.54
Distance ly
279.03
last precise pa
52.8
last precise sep
0.134
 
 
ORBITAL ELEMENTS
 
 
Period (P)12.81y Periastron (T)2006.3y Semi-major axis (a)0.09a
Eccentricity (e)0.527 Inclination (i)150.9° Longitude of periastron (ω)173.8°
Node (Ω)57° Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2007
label rho theta
2000 0.137 61.5
2001 0.134 52.4
2002 0.125 42.4
2003 0.110 30.2
2004 0.088 12.8
2005 0.061 341.1
2006 0.043 270.5
2007 0.048 182.6
2008 0.070 131.0
2009 0.094 105.6
2010 0.114 90.1
2011 0.128 78.5
2012 0.135 68.8
2013 0.137 59.8
2014 0.133 50.6
2015 0.123 40.3
2016 0.106 27.4
2017 0.083 8.4
2018 0.056 331.5
2019 0.042 252.7
2020 0.051 169.6
2021 0.075 124.9
2022 0.099 102.2
2023 0.117 87.7
2024 0.130 76.6
2025 0.136 67.1
2026 0.137 58.1
2027 0.132 48.7
2028 0.120 38.1
2029 0.102 24.5
2030 0.078 3.4

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

grafico orbita





wds00085%2B3456a.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
00085+3456 HDS 17 2004 27 343 0.1 8.27 8.31 F8 OD 000828.39+345604.3
00085+3456 HDS 17 2007 30 136 0.1 8.27 8.31 F8 OD 000828.39+345604.3
00085+3456 HDS 17 2008 32 111 0.1 8.27 8.31 F8 OD 000828.39+345604.3
00085+3456 HDS 17 2010 35 79 0.1 8.27 8.31 F8 OD 000828.39+345604.3
00085+3456 HDS 17 2013 41 53 0.1 8.27 8.31 F8 NO 000828.39+345604.3

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