15521+1052 BAG 7
15h 52m 08.24s +10° 52' 28.0" P.A. 57.00 sep 0.1 mag 9.70,11.16 Sp K5V dist. 22.47 pc (73.3 l.y.)
| Coord 2000 |
15521+1052 |
|
Discov num |
BAG 7 |
|
Comp |
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|
Coord arcsec 2000 |
15 52 08.24 +10 52 28.0 |
|
| Date first |
1990 |
|
Date last |
2021 |
|
Obs |
33 |
|
| Pa first |
16 |
|
Pa last |
57.3 |
|
P.A. Now (θ) |
57.3° |
|
| Sep first |
0.1 |
|
Sep last |
0.108 |
|
Sep. Now (ρ) |
0.108" |
|
| Mag pri |
9.70 |
|
Mag sec |
11.16 |
|
delta mag (ΔM) |
1.46 |
|
Spectral class |
K5V (yellow-orange) |
|
| Pri motion ra |
-262 |
|
Sec motion ra |
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|
| Pri motion dec |
-237 |
|
Sec motion dec |
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|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Serpens |
|
HIP |
77725 |
|
Tycho2 |
0947-00387-1 |
|
GL |
Gl 600 |
|
| BD |
BD+11 2874 |
|
Distance |
22.47 |
|
Distance ly |
73.3 |
|
ORBITAL ELEMENTS
| Period (P) | 2.778y | |
Periastron (T) | 2014.684y | |
Semi-major axis (a) | 0.101a | |
| Eccentricity (e) | 0.349 | |
Inclination (i) | 34.6° | |
Longitude of periastron (ω) | 328.6° | |
| Node (Ω) | 298.4° | |
Notes | n | |
Reference | Doc2019c | |
| Equinox | 2000 | |
Last observation | 2015 | |
Grade | 1 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
128.5 |
0.118 |
| 2001 |
317.8 |
0.072 |
| 2002 |
80.2 |
0.124 |
| 2003 |
147.8 |
0.098 |
| 2004 |
357.8 |
0.079 |
| 2005 |
94.1 |
0.131 |
| 2006 |
179.5 |
0.073 |
| 2007 |
30.0 |
0.090 |
| 2008 |
107.1 |
0.132 |
| 2009 |
235.8 |
0.059 |
| 2010 |
54.1 |
0.104 |
| 2011 |
120.7 |
0.125 |
| 2012 |
294.3 |
0.067 |
| 2013 |
72.4 |
0.118 |
| 2014 |
137.2 |
0.109 |
| 2015 |
338.5 |
0.075 |
| 2016 |
87.3 |
0.128 |
| 2017 |
161.1 |
0.086 |
| 2018 |
14.8 |
0.084 |
| 2019 |
100.5 |
0.132 |
| 2020 |
204.3 |
0.063 |
| 2021 |
42.9 |
0.097 |
| 2022 |
113.6 |
0.129 |
| 2023 |
267.0 |
0.062 |
| 2024 |
63.8 |
0.112 |
| 2025 |
128.3 |
0.118 |
| 2026 |
317.4 |
0.072 |
| 2027 |
80.1 |
0.124 |
| 2028 |
147.6 |
0.098 |
| 2029 |
357.5 |
0.079 |
| 2030 |
93.9 |
0.131 |
| 2031 |
179.1 |
0.073 |
| 2032 |
29.8 |
0.090 |
| 2033 |
106.9 |
0.132 |
| 2034 |
235.2 |
0.059 |
| 2035 |
54.0 |
0.104 |
| 2036 |
120.6 |
0.125 |
| 2037 |
293.9 |
0.067 |
| 2038 |
72.3 |
0.118 |
| 2039 |
137.0 |
0.109 |
| 2040 |
338.1 |
0.075 |
| 2041 |
87.1 |
0.128 |
| 2042 |
160.9 |
0.086 |
| 2043 |
14.5 |
0.084 |
| 2044 |
100.4 |
0.132 |
| 2045 |
203.7 |
0.063 |
| 2046 |
42.7 |
0.097 |
| 2047 |
113.5 |
0.129 |
| 2048 |
266.5 |
0.062 |
| 2049 |
63.6 |
0.111 |
| 2050 |
128.2 |
0.118 |
|
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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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