17033+5935 STF2128

 
 
17h 03m 18.66s +59 35' 07.3" P.A. 45.6 sep 12.13 mag 8.76,10.34 Sp K4V dist. 24.04 pc (78.42 l.y.)
 
 
Coord 2000
17033+5935
Discov num
STF2128
Comp
Coord arcsec 2000
17 03 18.66 +59 35 07.3
Date first
1830
Date last
2013
Obs
61
Pa first
58
Pa last
43
P.A. Now (θ)
45.6°
Sep first
11.6
Sep last
12.2
Sep. Now (ρ)
12.13"
Mag pri
8.76
Mag sec
10.34
delta mag (ΔM)
1.58
Spectral class
K4V (yellow-orange)
Pri motion ra
-356
Sec motion ra
-345
Pri motion dec
+236
Sec motion dec
+237
Notes
N O V (See Notes, Orbital solution, Proper motion indicates physical)
rPM=0.026 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
42.9
Precise sep
12.184
Constellation
Draco
SAO
30220
HIP
83451
Tycho2
3898-01334-1
HD
154712
ADS
10329
GL
Wo 9582A
BD
BD+59 1783
Distance
24.04
Distance ly
78.42
last precise pa
42.9
last precise sep
12.184
 
 
ORBITAL ELEMENTS
 
 
Period (P)1200y± 60 Periastron (T)1416y± 3 Semi-major axis (a)7.1a± 0.3
Eccentricity (e)0.71± 0.05 Inclination (i)151°± 8 Longitude of periastron (ω)185°± 21
Node (Ω)50°± 18 Note Grade5(1=Definitive, 9=Indet.)
Equinox Last observation1999
label rho theta
2000 12.129 46.6
2001 12.129 46.6
2002 12.129 46.5
2003 12.130 46.4
2004 12.130 46.4
2005 12.130 46.3
2006 12.131 46.3
2007 12.131 46.2
2008 12.131 46.1
2009 12.131 46.1
2010 12.131 46.0
2011 12.131 45.9
2012 12.131 45.9
2013 12.131 45.8
2014 12.131 45.8
2015 12.130 45.7
2016 12.130 45.6
2017 12.130 45.6
2018 12.129 45.5
2019 12.129 45.4
2020 12.128 45.4
2021 12.128 45.3
2022 12.127 45.2
2023 12.127 45.2
2024 12.126 45.1
2025 12.125 45.1
2026 12.124 45.0
2027 12.124 44.9
2028 12.123 44.9
2029 12.122 44.8
2030 12.121 44.7

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

grafico orbita





wds17033%2B5935a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17033+5935 STF2128 2006 45 44 12.2 8.76 10.34 K4V NZDV 170318.66+593507.3
17033+5935 STF2128 2013 61 43 12.2 8.76 10.34 K4V NO V 170318.66+593507.3

If you need more information about this double, apply for a data request form to the WDS.