17575+1058 BU 1299 AB
17h 57m 28.54s +10° 57' 46.8" P.A. 103.00 sep 0.3 mag 9.27,9.24 Sp K5 dist. 192.68 pc (628.52 l.y.)
| Coord 2000 |
17575+1058 |
|
Discov num |
BU 1299 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 57 28.54 +10 57 46.8 |
|
| Date first |
1900 |
|
Date last |
2013 |
|
Obs |
64 |
|
| Pa first |
154 |
|
Pa last |
102.5 |
|
P.A. Now (θ) |
108.7° |
|
| Sep first |
0.5 |
|
Sep last |
0.263 |
|
Sep. Now (ρ) |
0.353" |
|
| Mag pri |
9.27 |
|
Mag sec |
9.24 |
|
delta mag (ΔM) |
0.03 |
|
Spectral class |
K5 (yellow-orange) |
|
| Pri motion ra |
-014 |
|
Sec motion ra |
|
|
| Pri motion dec |
-016 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
17575+1058 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
17 57 29 +10 57 47 |
BU 1299 AB |
2013 |
64 |
103 |
0.3 |
9.27 |
9.24 |
0.03 |
Y |
<=== |
| Show |
|
|
17 57 29 +10 57 47 |
BU 1299 AB,C |
2015 |
14 |
62 |
27.9 |
8.49 |
13.05 |
4.56 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ophiuchus |
|
HIP |
87911 |
|
Tycho2 |
1011-01301-1 |
|
ADS |
10916 |
|
| BD |
BD+10 3337 |
|
Distance |
192.68 |
|
Distance ly |
628.52 |
|
ORBITAL ELEMENTS
| Period (P) | 227.7y | |
Periastron (T) | 1957.09y | |
Semi-major axis (a) | 0.41a | |
| Eccentricity (e) | 0.712 | |
Inclination (i) | 58.2° | |
Longitude of periastron (ω) | 126° | |
| Node (Ω) | 170° | |
Notes | n | |
Reference | Doc2007j | |
| Equinox | 2000 | |
Last observation | 1999 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
84.1 |
0.261 |
| 2001 |
85.5 |
0.265 |
| 2002 |
86.9 |
0.269 |
| 2003 |
88.2 |
0.273 |
| 2004 |
89.6 |
0.276 |
| 2005 |
90.8 |
0.280 |
| 2006 |
92.1 |
0.284 |
| 2007 |
93.3 |
0.288 |
| 2008 |
94.4 |
0.292 |
| 2009 |
95.6 |
0.296 |
| 2010 |
96.7 |
0.300 |
| 2011 |
97.7 |
0.304 |
| 2012 |
98.8 |
0.308 |
| 2013 |
99.8 |
0.312 |
| 2014 |
100.8 |
0.317 |
| 2015 |
101.8 |
0.321 |
| 2016 |
102.7 |
0.325 |
| 2017 |
103.6 |
0.329 |
| 2018 |
104.5 |
0.333 |
| 2019 |
105.4 |
0.337 |
| 2020 |
106.3 |
0.341 |
| 2021 |
107.1 |
0.345 |
| 2022 |
107.9 |
0.349 |
| 2023 |
108.7 |
0.353 |
| 2024 |
109.5 |
0.357 |
| 2025 |
110.3 |
0.361 |
| 2026 |
111.0 |
0.365 |
| 2027 |
111.7 |
0.369 |
| 2028 |
112.5 |
0.373 |
| 2029 |
113.2 |
0.377 |
| 2030 |
113.8 |
0.381 |
|
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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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