19418+5032 TRN   4Aa,Ab

 
 
19h 41m 49.09s +50 31' 31.6" P.A. 208 sep 3.2 mag 5.99,13.00 Sp G1.5V+M5V dist. 21.08 pc (68.76 l.y.)
 
 
Coord 2000
19418+5032
Discov num
TRN   4
Comp
Aa,Ab
Coord arcsec 2000
19 41 49.09 +50 31 31.6
Date first
1998
Date last
2009
Obs
11
Pa first
204
Pa last
208
P.A. Now (θ)
208°
Sep first
3.5
Sep last
3.2
Sep. Now (ρ)
3.2"
Mag pri
5.99
Mag sec
13.00
delta mag (ΔM)
7.01
Spectral class
G1.5V+M5V (yellow/red)
Pri motion ra
-146
Sec motion ra
Pri motion dec
-155
Sec motion dec
Notes
N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
19418+5032 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 31898 19418+5032 TRN 4 Aa,Ab 1998 2009 11 208 3.2 5.99 13.00 7.01 Y <===
Show 16 Cyg 31898 19418+5032 STFA 46 AB 1800 2016 583 133 40.0 6.00 6.23 0.23
Show 31899 19418+5032 PAT 48 BC 1998 1998 2 76 15.8 4.65 11.91 7.26
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
207.6
Precise sep
3.15
Other name
c Cyg
Constellation
Cygnus
SAO
31898
HIP
96895
Tycho2
3565-01524-1
HD
186408
HR
7503
GC
27284
ADS
12815
GL
Gl 765.1A
BD
BD+50 2847
Flamsteed
16 Cygni
Flamsteed name
16 Cyg
Distance
21.08
Distance ly
68.76
last precise pa
207.6
last precise sep
3.15
 
 
ORBITAL ELEMENTS
 
 
Period (P)135.127c Periastron (T)153.25y Semi-major axis (a)35.242a
Eccentricity (e)0.863 Inclination (i)135.44° Longitude of periastron (ω)26.6°
Node (Ω)313.44° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation1998
label rho theta
2000 39.552 133.3
2001 39.565 133.3
2002 39.577 133.3
2003 39.590 133.3
2004 39.602 133.3
2005 39.615 133.3
2006 39.627 133.3
2007 39.639 133.3
2008 39.652 133.3
2009 39.664 133.3
2010 39.677 133.3
2011 39.689 133.3
2012 39.701 133.3
2013 39.714 133.2
2014 39.726 133.2
2015 39.739 133.2
2016 39.751 133.2
2017 39.763 133.2
2018 39.776 133.2
2019 39.788 133.2
2020 39.801 133.2
2021 39.813 133.2
2022 39.825 133.2
2023 39.838 133.2
2024 39.850 133.2
2025 39.862 133.2
2026 39.875 133.1
2027 39.887 133.1
2028 39.899 133.1
2029 39.912 133.1
2030 39.924 133.1

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

grafico orbita





wds19418%2B5032c.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
19418+5032 TRN 4 Aa,Ab 2000 5 205 3.4 5.99 13.00 G1.5V DV 194149.09+503131.6
19418+5032 TRN 4 Aa,Ab 2002 7 204 3.4 5.99 13.00 G1.5V NVD 194149.09+503131.6
19418+5032 TRN 4 Aa,Ab 2009 8 208 3.2 5.99 13.00 G1.5V NV 194149.09+503131.6

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