00048+3810 BU 862
00h 04m 46.86s +38° 10' 25.2" P.A. 30.00 sep 0.8 mag 10.02,10.18 Sp G5 dist. 92.51 pc (301.77 l.y.)
| Coord 2000 |
00048+3810 |
|
Discov num |
BU 862 |
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Comp |
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Coord arcsec 2000 |
00 04 46.86 +38 10 25.2 |
|
| Date first |
1881 |
|
Date last |
2019 |
|
Obs |
80 |
|
| Pa first |
105 |
|
Pa last |
30 |
|
P.A. Now (θ) |
30° |
|
| Sep first |
0.5 |
|
Sep last |
0.81 |
|
Sep. Now (ρ) |
0.81" |
|
| Mag pri |
10.02 |
|
Mag sec |
10.18 |
|
delta mag (ΔM) |
0.16 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
+029 |
|
Sec motion ra |
+029 |
|
| Pri motion dec |
-060 |
|
Sec motion dec |
-060 |
|
| Notes |
O
T
(Orbital solution, Parallax indicates physical) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Andromeda |
|
HIP |
385 |
|
Tycho2 |
2781-00488-1 |
|
Gaia DR2 |
2880739195125631488 |
|
| ADS |
34 |
|
BD |
BD+37 4930 |
|
Distance |
92.51 |
|
Distance ly |
301.77 |
|
ORBITAL ELEMENTS
| Period (P) | 403y | |
Periastron (T) | 1942y | |
Semi-major axis (a) | 0.74a | |
| Eccentricity (e) | 0.68 | |
Inclination (i) | 40° | |
Longitude of periastron (ω) | 198.8° | |
| Node (Ω) | 43° | |
Notes | | |
Reference | Cou1986b | |
| Equinox | | |
Last observation | 1984 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
21.0 |
0.712 |
| 2001 |
21.5 |
0.721 |
| 2002 |
22.1 |
0.730 |
| 2003 |
22.6 |
0.739 |
| 2004 |
23.1 |
0.747 |
| 2005 |
23.6 |
0.756 |
| 2006 |
24.0 |
0.764 |
| 2007 |
24.5 |
0.772 |
| 2008 |
25.0 |
0.780 |
| 2009 |
25.4 |
0.788 |
| 2010 |
25.8 |
0.796 |
| 2011 |
26.3 |
0.804 |
| 2012 |
26.7 |
0.812 |
| 2013 |
27.1 |
0.820 |
| 2014 |
27.5 |
0.827 |
| 2015 |
27.9 |
0.835 |
| 2016 |
28.3 |
0.842 |
| 2017 |
28.7 |
0.849 |
| 2018 |
29.1 |
0.857 |
| 2019 |
29.4 |
0.864 |
| 2020 |
29.8 |
0.871 |
| 2021 |
30.2 |
0.878 |
| 2022 |
30.5 |
0.885 |
| 2023 |
30.9 |
0.891 |
| 2024 |
31.2 |
0.898 |
| 2025 |
31.5 |
0.905 |
| 2026 |
31.9 |
0.911 |
| 2027 |
32.2 |
0.918 |
| 2028 |
32.5 |
0.924 |
| 2029 |
32.8 |
0.930 |
| 2030 |
33.2 |
0.936 |
| 2031 |
33.5 |
0.942 |
| 2032 |
33.8 |
0.948 |
| 2033 |
34.1 |
0.954 |
| 2034 |
34.4 |
0.960 |
| 2035 |
34.7 |
0.966 |
| 2036 |
35.0 |
0.972 |
| 2037 |
35.3 |
0.977 |
| 2038 |
35.5 |
0.983 |
| 2039 |
35.8 |
0.988 |
| 2040 |
36.1 |
0.994 |
| 2041 |
36.4 |
0.999 |
| 2042 |
36.7 |
1.004 |
| 2043 |
36.9 |
1.010 |
| 2044 |
37.2 |
1.015 |
| 2045 |
37.5 |
1.020 |
| 2046 |
37.7 |
1.025 |
| 2047 |
38.0 |
1.030 |
| 2048 |
38.2 |
1.034 |
| 2049 |
38.5 |
1.039 |
| 2050 |
38.8 |
1.044 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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