17575+1058 BU 1299AB

 
 
17H 57M 28.54S +10 57' 46.8" P.A. 104.5 SEP 0.33 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
2008
Obs
63
Pa first
154
Pa last
92
P.A. Now (θ)
104.5°
Sep first
0.5
Sep last
0.3
Sep. Now (ρ)
0.33"
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_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 103244 17575+1058 BU 1299 AB 1900 2008 63 104 0.3 9.27 9.24 0.03 Y <===
Show 103244 17575+1058 BU 1299 AB,C 1900 2013 10 62 27.5 8.49 13.05 4.56
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
SAO
103244
HIP
87911
Tycho2
1011-01301-1
ADS
10916
BD
BD+10 3337
Distance
192.68
Distance ly
628.52
last precise pa
91.8
last precise sep
0.294
 
 
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° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation1999
label rho theta
2000 0.261 84.1
2001 0.265 85.5
2002 0.269 86.9
2003 0.273 88.2
2004 0.276 89.6
2005 0.280 90.8
2006 0.284 92.1
2007 0.288 93.3
2008 0.292 94.4
2009 0.296 95.6
2010 0.300 96.7
2011 0.304 97.7
2012 0.308 98.8
2013 0.312 99.8
2014 0.317 100.8
2015 0.321 101.8
2016 0.325 102.7
2017 0.329 103.6
2018 0.333 104.5
2019 0.337 105.4
2020 0.341 106.3
2021 0.345 107.1
2022 0.349 107.9
2023 0.353 108.7
2024 0.357 109.5
2025 0.361 110.3
2026 0.365 111.0
2027 0.369 111.7
2028 0.373 112.5
2029 0.377 113.2
2030 0.381 113.8

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic