17207-0706 A 2593 AB
17h 20m 43.07s -07° 06' 23.8" P.A. 319.00 sep 0.2 mag 9.11,10.84 Sp G5 dist. 65.27 pc (212.91 l.y.)
| Coord 2000 |
17207-0706 |
|
Discov num |
A 2593 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 20 43.07 -07 06 23.8 |
|
| Date first |
1913 |
|
Date last |
2022 |
|
Obs |
41 |
|
| Pa first |
138 |
|
Pa last |
319 |
|
P.A. Now (θ) |
319° |
|
| Sep first |
0.2 |
|
Sep last |
0.242 |
|
Sep. Now (ρ) |
0.242" |
|
| Mag pri |
9.11 |
|
Mag sec |
10.84 |
|
delta mag (ΔM) |
1.73 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
+031 |
|
Sec motion ra |
|
|
| Pri motion dec |
-038 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
17207-0706 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
141621 |
17 20 43 -07 06 24 |
A 2593 AB |
2022 |
41 |
319 |
0.2 |
9.11 |
10.84 |
1.73 |
Y |
<=== |
| Show |
|
|
17 20 43 -07 06 24 |
TOK 178 AC |
2015 |
9 |
109 |
10.2 |
8.78 |
15.21 |
6.43 |
|
|
0 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ophiuchus |
|
SAO |
141620 |
|
HIP |
84866 |
|
Tycho2 |
7887-00262-1 |
|
| HD |
156952 |
|
ADS |
10480 |
|
BD |
BD-06 4581 |
|
Distance |
65.27 |
|
| Distance ly |
212.91 |
|
ORBITAL ELEMENTS
| Period (P) | 75.5y | |
Periastron (T) | 1986.9y | |
Semi-major axis (a) | 0.2589a | |
| Eccentricity (e) | 0.094 | |
Inclination (i) | 128.9° | |
Longitude of periastron (ω) | 48° | |
| Node (Ω) | 167.6° | |
Notes | n | |
Reference | Msn2023 | |
| Equinox | | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
34.4 |
0.185 |
| 2001 |
28.9 |
0.195 |
| 2002 |
23.9 |
0.204 |
| 2003 |
19.3 |
0.214 |
| 2004 |
15.1 |
0.224 |
| 2005 |
11.3 |
0.232 |
| 2006 |
7.7 |
0.241 |
| 2007 |
4.4 |
0.248 |
| 2008 |
1.2 |
0.255 |
| 2009 |
358.2 |
0.261 |
| 2010 |
355.3 |
0.266 |
| 2011 |
352.5 |
0.269 |
| 2012 |
349.8 |
0.272 |
| 2013 |
347.1 |
0.274 |
| 2014 |
344.5 |
0.275 |
| 2015 |
341.8 |
0.275 |
| 2016 |
339.2 |
0.274 |
| 2017 |
336.5 |
0.272 |
| 2018 |
333.8 |
0.269 |
| 2019 |
330.9 |
0.265 |
| 2020 |
328.0 |
0.260 |
| 2021 |
325.0 |
0.255 |
| 2022 |
321.9 |
0.249 |
| 2023 |
318.6 |
0.243 |
| 2024 |
315.1 |
0.236 |
| 2025 |
311.4 |
0.229 |
| 2026 |
307.4 |
0.221 |
| 2027 |
303.2 |
0.214 |
| 2028 |
298.7 |
0.206 |
| 2029 |
293.8 |
0.199 |
| 2030 |
288.6 |
0.193 |
| 2031 |
283.1 |
0.187 |
| 2032 |
277.2 |
0.182 |
| 2033 |
271.0 |
0.178 |
| 2034 |
264.5 |
0.175 |
| 2035 |
257.9 |
0.173 |
| 2036 |
251.3 |
0.173 |
| 2037 |
244.6 |
0.174 |
| 2038 |
238.1 |
0.176 |
| 2039 |
231.8 |
0.180 |
| 2040 |
225.8 |
0.184 |
| 2041 |
220.1 |
0.190 |
| 2042 |
214.7 |
0.196 |
| 2043 |
209.6 |
0.202 |
| 2044 |
204.9 |
0.208 |
| 2045 |
200.4 |
0.214 |
| 2046 |
196.2 |
0.220 |
| 2047 |
192.2 |
0.226 |
| 2048 |
188.3 |
0.231 |
| 2049 |
184.7 |
0.235 |
| 2050 |
181.1 |
0.238 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
