00085+3456 HDS  17

 
 
00h 08m 28.39s +34 56' 04.3" P.A. 121.50 sep 0.1 mag 8.11,8.36 Sp F8.5IV+G0 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
42
Pa first
358
Pa last
53
P.A. Now (θ)
121.5°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.07"
Mag pri
8.11
Mag sec
8.36
delta mag (ΔM)
0.25
Spectral class
F8.5IV+G0 (yellow-white/yellow)
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
Constellation
Andromeda
SAO
53674
HIP
689
Tycho2
2267-00721-1
Gaia DR2
75758724224
HD
375
BD
BD+34 3
Distance
85.54
Distance ly
279.03
last precise pa
52.8
last precise sep
0.134
 
 
ORBITAL ELEMENTS
 
 
Period (P)12.79y± 0.11 Periastron (T)2006.36y± 0.02 Semi-major axis (a)0.0904a± 0.0005
Eccentricity (e)0.5237± 0.0051 Inclination (i)149.03°± 1.13 Longitude of periastron (ω)183.42°± 3.22
Node (Ω)62.99°± 3.03 Note Grade2(1=Definitive, 9=Indet.)
Equinox Last observation2010
label rho theta
2000 0.138 59.7
2001 0.134 50.7
2002 0.124 40.7
2003 0.108 28.3
2004 0.086 10.5
2005 0.061 338.5
2006 0.044 272.0
2007 0.046 183.9
2008 0.069 128.4
2009 0.095 102.8
2010 0.115 87.5
2011 0.129 76.3
2012 0.136 66.8
2013 0.137 57.9
2014 0.132 48.7
2015 0.121 38.4
2016 0.104 25.2
2017 0.081 5.4
2018 0.056 328.1
2019 0.043 253.6
2020 0.049 168.3
2021 0.074 121.5
2022 0.100 99.0
2023 0.119 84.9
2024 0.131 74.2
2025 0.137 64.9
2026 0.137 56.0
2027 0.131 46.7
2028 0.118 35.9
2029 0.100 21.8
2030 0.076 359.7

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






wds00085%2B3456d.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

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