00085+3456 HDS 17 (HD 375)
00h 08m 28.39s +34° 56' 04.3" P.A. 136.00 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 |
2020 |
|
Obs |
59 |
|
| Pa first |
358 |
|
Pa last |
136.3 |
|
P.A. Now (θ) |
87.5° |
|
| Sep first |
0.1 |
|
Sep last |
0.064 |
|
Sep. Now (ρ) |
0.118" |
|
| 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
| Name |
HD 375 |
|
Constellation |
Andromeda |
|
SAO |
53674 |
|
HIP |
689 |
|
| Tycho2 |
2267-00721-1 |
|
Gaia DR2 |
2875970475758724224 |
|
HD |
375 |
|
BD |
BD+34 3 |
|
| Distance |
85.54 |
|
Distance ly |
279.03 |
|
ORBITAL ELEMENTS
| Period (P) | 12.77y | ± 0.01 |
Periastron (T) | 2006.41y | ± 0.01 |
Semi-major axis (a) | 89m | ± 0.3 |
| Eccentricity (e) | 0.527 | ± 0.002 |
Inclination (i) | 209.9° | ± 0.7 |
Longitude of periastron (ω) | 11° | ± 2 |
| Node (Ω) | 252° | ± 2 |
Notes | n | |
Reference | Mit2021 | |
| Equinox | | |
Last observation | 2020 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
62.7 |
0.135 |
| 2001 |
53.5 |
0.131 |
| 2002 |
43.3 |
0.122 |
| 2003 |
30.7 |
0.106 |
| 2004 |
12.7 |
0.086 |
| 2005 |
341.5 |
0.062 |
| 2006 |
278.9 |
0.045 |
| 2007 |
187.8 |
0.044 |
| 2008 |
130.6 |
0.068 |
| 2009 |
105.3 |
0.095 |
| 2010 |
90.3 |
0.115 |
| 2011 |
79.1 |
0.128 |
| 2012 |
69.6 |
0.134 |
| 2013 |
60.6 |
0.135 |
| 2014 |
51.3 |
0.130 |
| 2015 |
40.6 |
0.119 |
| 2016 |
27.2 |
0.102 |
| 2017 |
7.2 |
0.080 |
| 2018 |
330.7 |
0.057 |
| 2019 |
259.0 |
0.043 |
| 2020 |
169.9 |
0.048 |
| 2021 |
123.1 |
0.075 |
| 2022 |
101.3 |
0.100 |
| 2023 |
87.5 |
0.118 |
| 2024 |
76.8 |
0.130 |
| 2025 |
67.5 |
0.135 |
| 2026 |
58.5 |
0.134 |
| 2027 |
49.0 |
0.128 |
| 2028 |
37.9 |
0.115 |
| 2029 |
23.4 |
0.097 |
| 2030 |
0.9 |
0.075 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
