19585+3317 STF2606AB

 
 
19h 58m 32.66s +33 16' 38.8" P.A. 146.8 sep 0.66 mag 7.74,8.43 Sp F5IV dist. 78.43 pc (255.84 l.y.)
 
 
Coord 2000
19585+3317
Discov num
STF2606
Comp
AB
Coord arcsec 2000
19 58 32.66 +33 16 38.8
Date first
1832
Date last
2013
Obs
87
Pa first
131
Pa last
145
P.A. Now (θ)
146.8°
Sep first
1.2
Sep last
0.8
Sep. Now (ρ)
0.66"
Mag pri
7.74
Mag sec
8.43
delta mag (ΔM)
0.69
Spectral class
F5IV (yellow-white)
Pri motion ra
+057
Sec motion ra
+057
Pri motion dec
+051
Sec motion dec
+051
Notes
O (Orbital solution)
This double is physical.
 
 
19585+3317 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 69186 19585+3317 STF2606 AB 1832 2013 87 147 0.7 7.74 8.43 0.69 Y <===
Show 69186 19585+3317 GUI 29 AC 1912 2008 8 274 167.9 7.75 9.60 1.85
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
145.1
Precise sep
0.79
Constellation
Cygnus
SAO
69186
HIP
98315
Tycho2
2674-05369-1
HD
189378
ADS
13196
BD
BD+32 3651
Distance
78.43
Distance ly
255.84
last precise pa
145.1
last precise sep
0.79
 
 
ORBITAL ELEMENTS
 
 
Period (P)455y Periastron (T)1745.7y Semi-major axis (a)1.081a
Eccentricity (e)0.69 Inclination (i)82.4° Longitude of periastron (ω)240.5°
Node (Ω)127.4° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2012
label rho theta
2000 0.770 143.9
2001 0.764 144.0
2002 0.758 144.2
2003 0.752 144.3
2004 0.745 144.5
2005 0.739 144.7
2006 0.733 144.8
2007 0.727 145.0
2008 0.720 145.2
2009 0.714 145.3
2010 0.708 145.5
2011 0.701 145.7
2012 0.695 145.9
2013 0.688 146.0
2014 0.682 146.2
2015 0.675 146.4
2016 0.669 146.6
2017 0.662 146.8
2018 0.656 147.0
2019 0.649 147.2
2020 0.643 147.4
2021 0.636 147.7
2022 0.630 147.9
2023 0.623 148.1
2024 0.616 148.3
2025 0.610 148.6
2026 0.603 148.8
2027 0.596 149.1
2028 0.590 149.3
2029 0.583 149.6
2030 0.576 149.8

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

grafico orbita





wds19585%2B3317a.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
19585+3317 STF2606 AB 2007 97 145 0.7 7.74 8.43 F5IV D 195832.66+331638.8
19585+3317 STF2606 AB 2009 99 145 0.7 7.74 8.43 F5IV D 195832.66+331638.8
19585+3317 STF2606 AB 2012 86 147 0.7 7.74 8.43 F5IV 195832.66+331638.8
19585+3317 STF2606 AB 2013 87 145 0.8 7.74 8.43 F5IV O 195832.66+331638.8

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