02168+4346 GNS 1 (HD 13931)
02h 16m 47.37s +43° 46' 22.7" P.A. 16.00 sep 10.5 mag 7.60,11.00 Sp G0 dist. 44.23 pc (144.28 l.y.)
| Coord 2000 |
02168+4346 |
|
Discov num |
GNS 1 |
|
Comp |
|
|
Coord arcsec 2000 |
02 16 47.37 +43 46 22.7 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
31 |
|
Pa last |
16.2 |
|
P.A. Now (θ) |
16.2° |
|
| Sep first |
8.1 |
|
Sep last |
10.526 |
|
Sep. Now (ρ) |
10.526" |
|
| Mag pri |
7.60 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
3.4 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
+099 |
|
Sec motion ra |
|
|
| Pri motion dec |
-183 |
|
Sec motion dec |
|
|
| Notes |
N
U
(See Notes, Proper motion indicates non-physical) |
|
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 13931 |
|
Constellation |
Andromeda |
|
SAO |
37918 |
|
HIP |
10626 |
|
| Tycho2 |
2842-00200-1 |
|
Gaia DR2 |
351537889154226816 |
|
HD |
13931 |
|
BD |
BD+43 459 |
|
| Distance |
44.23 |
|
Distance ly |
144.28 |
|
ORBITAL ELEMENTS
| Period (P) | 11.5y | ± 1.1 |
Periastron (T) | 54494m (2008.077y) | ± 904 |
Semi-major axis (a) | 116.44m | ± 6.56 |
| Eccentricity (e) | 0.02 | ± 0.05 |
Inclination (i) | ° | |
Longitude of periastron (ω) | 290° | ± 78 |
| Node (Ω) | ° | |
Notes | | |
Reference | Hwd2010 | |
| Equinox | | |
Last observation | | |
Grade | 7 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
39.3 |
0.117 |
| 2001 |
70.0 |
0.118 |
| 2002 |
100.2 |
0.119 |
| 2003 |
130.3 |
0.119 |
| 2004 |
160.6 |
0.118 |
| 2005 |
191.4 |
0.117 |
| 2006 |
222.9 |
0.115 |
| 2007 |
255.0 |
0.115 |
| 2008 |
287.5 |
0.114 |
| 2009 |
320.0 |
0.114 |
| 2010 |
352.2 |
0.115 |
| 2011 |
23.8 |
0.117 |
| 2012 |
54.7 |
0.118 |
| 2013 |
85.1 |
0.119 |
| 2014 |
115.2 |
0.119 |
| 2015 |
145.4 |
0.118 |
| 2016 |
175.9 |
0.117 |
| 2017 |
207.1 |
0.116 |
| 2018 |
238.9 |
0.115 |
| 2019 |
271.2 |
0.114 |
| 2020 |
303.8 |
0.114 |
| 2021 |
336.2 |
0.115 |
| 2022 |
8.1 |
0.116 |
| 2023 |
39.3 |
0.117 |
| 2024 |
70.0 |
0.118 |
| 2025 |
100.2 |
0.119 |
| 2026 |
130.3 |
0.119 |
| 2027 |
160.6 |
0.118 |
| 2028 |
191.4 |
0.117 |
| 2029 |
222.9 |
0.115 |
| 2030 |
255.0 |
0.115 |
| 2031 |
287.5 |
0.114 |
| 2032 |
320.0 |
0.114 |
| 2033 |
352.2 |
0.115 |
| 2034 |
23.8 |
0.117 |
| 2035 |
54.7 |
0.118 |
| 2036 |
85.1 |
0.119 |
| 2037 |
115.2 |
0.119 |
| 2038 |
145.4 |
0.118 |
| 2039 |
175.9 |
0.117 |
| 2040 |
207.1 |
0.116 |
| 2041 |
238.9 |
0.115 |
| 2042 |
271.2 |
0.114 |
| 2043 |
303.8 |
0.114 |
| 2044 |
336.2 |
0.115 |
| 2045 |
8.1 |
0.116 |
| 2046 |
39.3 |
0.117 |
| 2047 |
70.0 |
0.118 |
| 2048 |
100.2 |
0.119 |
| 2049 |
130.3 |
0.119 |
| 2050 |
160.6 |
0.118 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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