19429+4043 STT 383AB

 
 
19h 42m 56.26s +40 43' 18.3" P.A. 14.60 sep 0.8 mag 7.03,8.28 Sp B9.5V dist. 154.56 pc (504.17 l.y.)
 
 
Coord 2000
19429+4043
Discov num
STT 383
Comp
AB
Coord arcsec 2000
19 42 56.26 +40 43 18.3
Date first
1843
Date last
2014
Obs
58
Pa first
25
Pa last
15
P.A. Now (θ)
14.6°
Sep first
0.6
Sep last
0.8
Sep. Now (ρ)
0.78"
Mag pri
7.03
Mag sec
8.28
delta mag (ΔM)
1.25
Spectral class
B9.5V (blue-white)
Pri motion ra
+004
Sec motion ra
+004
Pri motion dec
-007
Sec motion dec
-007
Notes
O (Orbital solution)
Visually invisible, K-band or other infrared star This double is physical.
 
 
19429+4043 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 48756 19429+4043 STT 383 AB 1843 2014 58 15 0.8 7.03 8.28 1.25 Y <===
Show 48756 19429+4043 STT 383 AC 1892 2002 10 99 45.2 7.03 11.60 4.57
Show 48756 19429+4043 STT 383 AD 1892 2002 5 43 68.1 7.03 12.45 5.42
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
14.7
Precise sep
0.783
Constellation
Cygnus
SAO
48756
HIP
97001
Tycho2
3140-01594-1
Gaia DR2
50907389568
HD
186465
ADS
12831
BD
BD+40 3856
Distance
154.56
Distance ly
504.17
last precise pa
14.7
last precise sep
0.783
 
 
ORBITAL ELEMENTS
 
 
Period (P)1125y± 186 Periastron (T)2176.5y± 7.6 Semi-major axis (a)0.893a± 0.104
Eccentricity (e)0.417± 0.089 Inclination (i)101°± 2 Longitude of periastron (ω)100.8°± 15.1
Node (Ω)15.1°± 1.2 Note Grade4(1=Definitive, 9=Indet.)
Equinox Last observation
label rho theta
2000 0.826 15.9
2001 0.824 15.9
2002 0.822 15.8
2003 0.820 15.7
2004 0.818 15.7
2005 0.816 15.6
2006 0.814 15.6
2007 0.812 15.5
2008 0.810 15.4
2009 0.808 15.3
2010 0.806 15.3
2011 0.804 15.2
2012 0.802 15.1
2013 0.799 15.1
2014 0.797 15.0
2015 0.795 14.9
2016 0.792 14.9
2017 0.790 14.8
2018 0.788 14.7
2019 0.785 14.7
2020 0.783 14.6
2021 0.780 14.5
2022 0.778 14.4
2023 0.775 14.4
2024 0.772 14.3
2025 0.770 14.2
2026 0.767 14.1
2027 0.764 14.1
2028 0.762 14.0
2029 0.759 13.9
2030 0.756 13.8

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






wds19429%2B4043a.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
19429+4043 STT 383 AB 2004 50 15 0.8 7.03 8.28 B9.5V D 194256.26+404318.3
19429+4043 STT 383 AB 2007 52 16 0.8 7.03 8.28 B9.5V D 194256.26+404318.3
19429+4043 STT 383 AB 2009 53 15 0.8 7.03 8.28 B9.5V D 194256.26+404318.3
19429+4043 STT 383 AB 2013 55 15 0.9 7.03 8.28 B9.5V 194256.26+404318.3
19429+4043 STT 383 AB 2014 56 15 0.8 7.03 8.28 B9.5V 194256.26+404318.3

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